1. FOREWORD DMN‑WESTINGHOUSE diverter valves are available in many types and sizes suitable for a specific use or variety of applications. The extensive diverter range comprises of series of plug diverters (dual pipe, single pipe, gravity) and tube diverters (2‑14 ports), some of which are also available in USDA Dairy accepted version.
1.3 REVISION SERVICE Future changes to this manual by DMN‑WESTINGHOUSE will be updated as required by revisions. The revision number consists of a three‑part code: ‑ ‑ ⇓ ⇓ ⇓ Change related to ATEX Changes in general Improvements Change related to ATEX All changes related to ATEX, no matter how small the change is.
2.1 TERMS AND DEFINITIONS The table below explains all terms and definitions in this document. ATEX (EX) ATmospheres EXplosibles Conformité Européenne EurAsian Conformity European Commission Food and Drug Administration IOM‑Manual Installation, Operation and Maintenance Manual USDA United States Department of Agriculture 2.2 APPLICABLE DOCUMENTS The applicable documents are stated on the sales order confirmation.
3. PREFACE 3.1 INTENDED AND NON‑INTENDED USE OF THE PRODUCT Operation and maintenance of DMN‑WESTINGHOUSE products must be carried out in accordance with the instructions given in this manual. Materials to be handled during operation must comply with material specification in the sales order confirmation. 3.2 CHANGES AND MODIFICATIONS Changes and modifications to DMN‑WESTINGHOUSE products may lead to damage to these products and potential injury to personnel.
4. CONTACT INFORMATION CONTACT OUR AFTER‑SALES DEPARTMENT If you have any technical questions or encounter issues during installation or maintenance, our after‑sales department is here to assist you. Whether you need troubleshooting advice, information about spare parts, or help with warranty claims, we’re ready to help. You can reach our after‑sales team or contact one of our offices through the following channels: DMN‑WESTINGHOUSE Headquarters +31 252 361 820...
Additional ATEX For example: ‑ ‑ ‑ ‑ ‑ Type Dual Pipe Plug Diverter (PTD) Size 65 mm or inlet size Execution Aluminium Additional Standard ATEX ATEX Certified Equipment For the explanation of the available types, sizes, materials and executions, please refer to the table below.
5.1.3 ATEX MARKING The ATEX marking is applied as prescribed by the ATEX 2014/34/EU standard. ATEX MARKING ON THE PRODUCTS: II 1/2 D Ex h IIIC T ∗ °C …T ∗ °C Da/Db II 1/2 D Ex h IIIC T ∗ °C …T ∗ °C Da/Db II ‑/2 G Ex h IIB T ∗...
5.2 EXPLOSION PROOF DIVERTER VALVES For the specific version of the diverter valve, please consult the sales order confirmation, and parts list, which are both related to the serial number (refer to chapter Applicable documents). 5.2.1 ATEX EXECUTIONS ATEX certified diverter valves are designed for diverging and/or converging of products, in powder or pellets form, in pneumatic conveying systems in a potentially explosive atmosphere.
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5.2.1.5 SELF‑IGNITION TEMPERATURE (SIT) Ball Diverter (BTD) Maximum product temperature is 80°C WARNING – SELF‑IGNITION OF DUSTS ‑ Self‑ignition temperature (SIT) of the product to be handled must be higher than Product temperature +10°C. 15/196...
5.3 STANDARD, GUIDELINES AND CERTIFICATION (OPTIONAL) 5.3.1 CE Conformité Européenne The CE marking is a manufacturer’s declaration that the diverter valves meets the safety, health and environment requirements of the applicable EC directives. The diverter valves comply with the 2006/42EG directive and additional directives (if applicable).
6. SAFETY 6.1 SAFETY RULES Always follow the safety rules written by local law and/or defined by owner. Local safety rules must always be followed in the first place. Please inform your supervisor in case these rules contradict to the safety warnings and signs given in this IOM‑manual.
ATTENTION! Warning gives additional information concerning possible problems that may occur. Important notes on explosion protection! It is important to read the instruction 6.4 WARNINGS & SYMBOLS ON THE PRODUCT Meaning: Food safe (material used in the product is safe for food contact) Risk: Production of unhealthy food Location: Body of the diverter valve Meaning: Electrical safety earth...
6.5 RISKS FOR PERSONAL INJURY Risk Where When Precaution Warning sign Electrocution Solenoid valve During maintenance. Make sure the solenoid valve Electrically operated is disconnected from the power before any repairs or service Trapping hand Inside the diverter valve. During maintenance. Make sure the motor is disconnected from the power before any repairs or service.
6.6 ADDITIONAL SAFETY INSTRUCTIONS FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERE The Diverter valves are intended for industrial systems and may only be used in accordance with the information provided in DMN technical documentation and the information listed on the nameplate. They comply with the applicable standards and regulations and meet the requirements of directive 2014/34/EU .
7. STORAGE AND TRANSPORT ATTENTION! Keep the product in its original packaging in a dry and clean place during storage! Report transport damage directly to your carrier and your supplier. DANGER! Do not touch the inlet of the diverter valve during or after unpacking! Use adequate transport and lifting equipment! Always use lifting eyes to hoist the product! 7.1 ON RECEIPT...
8. OPERATION First read the safety instructions in chapter Safety before operating the product. DANGER! Operation must only be performed by trained and authorised personnel! When the diverter is in operation no maintenance and repair work must be carried out! During operation of the diverter it must not be possible to reach moving parts like the plug, flap or tube! 8.1 FIRST TIME START UP INSTRUCTION...
9. MAINTENANCE First read the safety instructions in chapter Safety before operating the product. ATTENTION! After maintenance and repair work has been carried out, all safety parts removed during the work should be re‑assembled and their operation should be checked. DANGER! Operation must only be performed by trained and authorised personnel! When the diverter is in operation no maintenance and repair work must be carried out!
9.2.4 MAINTENANCE DRIVE Read and study the operation instructions supplied by the Motor / Gear unit manufacturer. 9.3 CLEANING CAUTION! When high‑pressure cleaning, pay attention to the ball‑bearing. Damaging the sealing of the ball‑bearing may cause malfunctioning of the bearing. Do not use cleaner with solvent;...
9.6 MALFUNCTION Common disturbances and possible solutions are stated below, if you are not able to solve the problem, please contact our aftersales department (refer to chapter Contact information). In the event of malfunctioning consult the table below to find the solution. If the problem is not addressed in the table, please contact DMN‑WESTINGHOUSE (see chapter Contact information).
10. PTD 10.1 GENERAL WORKING PRINCIPLE The PTD plug diverter is a compact diverter valve with integral actuator, which has been specially designed for rapid pipe changeover between powders and pellets in pneumatic conveying systems. Pipe changeover is achieved by turning the plug in the body.
10.2 STANDARD EXECUTIONS AND SPECIFICATIONS PTD plug diverter is a compact valve with integral actuator, designed for rapid pipe changeover between powders and pellets in pneumatic conveying systems. Figure 10.2: PTD Pressure Static ‑0.5…+3 bar Inflatable up to +6 bar Product temp °C...
Check for any damage; if damaged contact your carrier and supplier. • Check if diverter valve interior is free from foreign material. 10.3.2 PTD: INSTALLING THE PLUG DIVERTER VALVE INTO THE SYSTEM DANGER! Do not turn plug by hand or switch position.
• Check if the solenoid valve auxiliary manual operation is in “0” position. ATTENTION! Inflatable seal execution Factory setting 4,5 bar. Difference between conveying pressure and pressure on the seals must be min. 1 bar. The max. pressure for the seals is 6‑7 bar. CAUTION! After installation test run the diverter valve.
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10.3.3.2 ACCESSORIES (IF FITTED) Only use; • solenoid valve • proximity switch • pressure switch • terminal box • electrical actuator • etc. that are CE marked and with an ATEX‑approval, equal or higher than the ATEX‑approval mentioned on the diverter valve.
Installation, commissioning and maintenance (chapter 10.3). • PTD: Installing the plug diverter valve into the system (chapter 10.3.2). The PTD plug diverter is equipped as standard with a pneumatic cylinder, electrically operated 5/2 solenoid‑solenoid valve, inductive proximity switches and terminal box. WIRING & PNEUMATIC DEFINITIONS...
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POSITION SENSOR • Inductive proximity sensor A STANDARD DC sensor Nominal voltage 10…30 V DC Normally open pnp Ambient temperature ‑25°C…+70°C 3‑wire Namur DIN 19234 sensor Nominal voltage 8 V DC Ambient temperature ‑25°C…+100°C 2‑wire AC sensor Nominal voltage 20…250 V AC 45…65 Hz Normally open Ambient temperature ‑25°C…+70°C...
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10.3.4.1 PNEUMATIC CONNECTION (STATIC SEAL) STATIC SEAL EXECUTION • Solenoid valve 5/2 bistable execution with manual control. Figure 10.6: Solenoid valve port definition (PTD) 35/196...
10.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
10.4.2.2 DISASSEMBLY INSTRUCTION • Disconnect electric wiring from solenoid valve. • Remove position sensors (cables). • Remove supply pressure from solenoid valve. • Remove bolts (63) from bearing covers (6&7) from both sides. Figure 10.15: Bearing cover removal (PTD) 43/196...
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• Remove arrow assembly (15) on both sides. Figure 10.16: Ratchet removing arrow assembly (PTD) • Remove end cover bolts (56) from end cover (2). Figure 10.17: End cover bolts removed (PTD) 44/196...
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• Press end cover from body (1) by means of three press‑out holes (Q2), using the bolts just removed. Figure 10.18: End cover bolts removed (to be used as push off bolts) (PTD) Figure 10.19: Inserting push‑off bolts (PTD) 45/196...
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Figure 10.20: End cover removed, lock plate visible (PTD) • Remove the lock plate (52) from dowel pin (13) with a screwdriver. Figure 10.21: Screwdriver lock plate removal (PTD) 46/196...
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• Slide the link (11) off the dowel pin (13) and push the remaining dowel pin assembly towards the other end cover (2). Figure 10.22: Screwdriver lock plate and link removal (PTD) • The end cover can be used to remove the plug (3) •...
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Figure 10.23: End cover and plug removed (PTD) CAUTION! Support the plug to keep it in line with the bore to avoid possible damage to the plug and/or the bore of the body. Position the plug on a stable surface as to not damage the plug.
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Place plug (3) in body and press against end cover (2) • Fit the link (11) and lock plate (52). The slots of the lock plate must be directed towards the center of the PTD Figure 10.24: Lock plate re‑assembly (PTD) •...
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10.4.2.4 REPLACING SEALS ‑ STATIC SEAL • Follow the instructions for disassembly; chapter 10.4.2.2 Figure 10.25: Belly seal removal (PTD) • Remove old seals [3x] (4) • Carefully clean seal groove • Apply food‑safe grease in the groove, for example: Cassida RLS2 •...
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10.4.2.5 REPLACING SEALS ‑ INFLATABLE SEAL • Follow the instructions for disassembly; chapter 10.4.2.2 • Remove old seals [3x] (4). Figure 10.26: Belly seal removal (PTD inflatable seal) • Carefully clean seal groove 51/196...
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• Fit seal with the nipple in groove. Make sure the nipple is seated in the dedicated hole in the body Figure 10.27: Inflatable seal being inserted into PTD body 52/196...
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Install a new lip seal; place the seal – with the open side towards the plug – into the pocket and make sure to apply even pressure over the lip seal during installation • Place the bearing Figure 10.28: Lip seal installation (PTD) B. O‑RING • Follow the disassembly instructions for removing the cover from the body; chapter 10.4.2.2 •...
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The position sensors can be mounted in either cover. To exchange the sensors with the plugs in the other cover, proceed as follows: A. MOULDED CABLE CONNECTOR • Disconnect wiring position sensors in terminal box. • Loosen cable glands. • Remove wiring position sensors. Figure 10.29: Disconnect the cables from inside the junction box (PTD) 54/196...
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B. M12 CABLE CONNECTOR • Remove the M12 cable connector (34) Figure 10.30: Remove the socket and sensor from the end cover (PTD) REMOVE PLUGS • Loosen and remove plugs. • Remove all silicone remains from plugs. REMOVE POSITION SENSOR •...
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INSTALL PLUGS • Put silicone around plugs. Figure 10.31: Glue application plugs (PTD) • Screw in the plugs to the desired side and tighten. 56/196...
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INSTALL POSITION SENSOR • Place silicone on sensor thread. Figure 10.32: Glue application sensors (PTD) • Put position sensor of diverter valve in same position as position sensor target inside diverter valve. • Screw in sensor till there is a smooth touching to target inside the diverter valve.
11. SPTD 11.1 GENERAL WORKING PRINCIPLE The SPTD plug diverter is a compact diverter valve with integral actuator, which has been specially designed for rapid pipe changeover between powders and pellets in pneumatic conveying systems. Pipe changeover is achieved by turning the plug in the body. The unit is driven by means of a pneumatic actuator actuated by a solenoid valve.
11.2 STANDARD EXECUTIONS AND SPECIFICATIONS SPTD plug diverter is a compact diverter valve with integral actuator for rapid pipe changeover between powders and pellets in pneumatic conveying systems (diverging). Figure 11.2: SPTD Pressure Static ‑0.5…+3 bar Inflatable up to +6 bar Product temp °C Standard ‑20°C…+80°C (Optional up to +120°C) Ambient temp °C...
11.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
ATTENTION! Inflatable seal execution Factory setting 4,5 bar. Difference between conveying pressure and pressure on the seals must be min. 1 bar. The max. pressure for the seals is 6‑7 bar. CAUTION! After installation test run the diverter valve. 11.3.3 INSTALLING THE DIVERTER VALVE IN A POTENTIALLY EXPLOSIVE ATMOSPHERE Follow up the following important notes in addition to the regular product information and safety and installation instructions.
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11.3.3.1 DRIVE According to the ATEX directive the maximum velocity must not be higher than 1 m/s and the maximum power of the motor gear unit is not higher than 4kW. Explosive gas mixtures or concentrations of dust can lead to severe or fatal injuries in connection with hot surfaces, parts under power and moving parts on the gear unit / geared motor.
11.3.4 CONNECTION DIAGRAMS Read following chapters carefully in addition to the regular product‑ and safety information, before installing the product: • Installation, commissioning and maintenance (chapter 11.3). • SPTD: Installing the plug diverter valve into the system (chapter 11.3.2). The SPTD plug diverter is equipped as standard with a pneumatic actuator, electrically operated 5/2 bistable valve, inductive proximity switches and terminal box.
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POSITION SWITCHES Figure 11.3: Position switches (SPTD) Type A standard DC sensor Nominal voltage 10…30 V DC Normally open pnp Ambient temperature ‑25°C…+70°C 3‑wire Type B optional Namur DIN 19234 sensor Nominal voltage 8 V DC Ambient temperature ‑25°C…+100°C 2‑wire Type C optional AC sensor Nominal voltage...
11.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
11.4.3 DISMANTLING DISMANTLING ‑ DRIVE SIDE Fit three of these bolts in the tapped jacking holes in the end Remove end cover fixing bolts (56). cover (02) and remove. DISMANTLING ‑ NON DRIVE SIDE Fit three of these bolts in the tapped jacking holes in the end Remove end cover fixing bolts (56).
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Make a marking line of the position of the plug so that the plug is put back in the correct position. Push the plug out from drive side Remove plug (04). Check seal (05) for damage and replace, if necessary. ATTENTION! Support the plug to keep it in line with the bore to avoid possible damage to the plug and/or the bore of the body.
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Put a very thin layer silicone glue at the bottom of the seal groove. INFLATABLE SEAL EXECUTION Put a very thin layer silicone glue at the bottom of the seal groove and nipple. Fit the seal in the seal groove. Please allow the silicone glue to dry up.
ATTENTION! STATIC SEAL After assembly let the glue dry for 3 hours. INFLATABLE SEAL After assembly let the glue dry for 8 hours. 11.4.4 RE‑ASSEMBLY After cleaning and checking or replacement of parts, the diverter valve can be re‑assembled as follows: Place plug (04) in body and check position is correct.
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ATTENTION! After assembly test run the diverter valve. 80/196...
12. SPTDS 12.1 GENERAL WORKING PRINCIPLE The SPTDS plug diverter is a compact diverter valve with integral actuator, which has been specially designed for rapid pipe changeover between powders and pellets in pneumatic conveying systems. Pipe changeover is achieved by turning the plug in the body. The unit is driven by means of a pneumatic actuator actuated by a solenoid valve.
12.2 STANDARD EXECUTIONS AND SPECIFICATIONS SPTDS plug diverter is a compact diverter valve with integral actuator for rapid pipe changeover between powders and pellets in pneumatic conveying systems (diverging). Figure 12.2: SPTDS Pressure Static ‑0.5…+1 bar Product temp °C Standard ‑20°C…+80°C Ambient temp °C Standard ‑20°C…+40°C Material of construction...
12.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
CAUTION! After installation test run the diverter valve. 12.3.3 INSTALLING THE DIVERTER VALVE IN A POTENTIALLY EXPLOSIVE ATMOSPHERE Follow up the following important notes in addition to the regular product information and safety and installation instructions. Read following chapters carefully in addition to the regular product‑, safety‑ and installation information, before installing the product: •...
12.3.3.2 ACCESSORIES (IF FITTED) Only use; • solenoid valve • proximity switch • pressure switch • terminal box • electrical actuator • etc. that are CE marked and with an ATEX‑approval, equal or higher than the ATEX‑approval mentioned on the diverter valve.
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SOLENOID VALVE 5/2 NAMUR BISTABLE EXECUTION WITH MANUAL CONTROL. POSITION INDICATOR Rotech Switch control: ACR3ASTAZ10 Electromechanical switches Material: Aluminium housing Protection: IP65 Cable gland: M20x1.5; clamp range 8‑13mm Standard voltage: 230V AC 4A – 24V DC 16A Temperature range: ‑25°C…+85°C Rotech Switch control: APFN412EASEAZ10 Inductive proximity switch:...
12.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
12.4.2 GENERAL ASSEMBLY & PART LIST 12.4.2.1 GENERAL ASSEMBLY STATIC SEAL Figure 12.4: General assembly SPTDS (Static Seal) 12.4.2.2 PART LIST STATIC SEAL 01 Body 41 Solenoid valve 56 Bolt 02 End cover 42 Coil 57 Washer 03 End cover 43 Connector 58 Dowel pin 04 Plug...
12.4.3 DISMANTLING DISMANTLING ‑ DRIVE SIDE Remove end cover fixing bolts (56). Remove the end cover (02). DISMANTLING ‑ NON DRIVE SIDE Remove bolts (63) and washer (64). Remove bearing cover (08). 90/196...
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Remove end cover fixing bolts (56). Remove the end cover (03). Make a marking line of the position of the plug so that the plug is put back in the correct position. Push the plug out from drive side. Remove plug (04). Check seal (05) for damage and replace, if necessary.
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12.4.3.1 CHANGING THE SEAL Remove the 2 seals (05). After the seals are removed clean the groove. Put a very thin layer of silicone glue at the bottom of the seal groove. The seal must rise 0,7 – 1 mm above plug diameter Fit the seal in the seal groove.
12.4.4 RE‑ASSEMBLY After cleaning and checking or replacement of parts, the diverter valve can be re‑assembled as follows: Place plug (04) in body and check position is correct. • Push plug further in body. • Make sure that seals are not protruding out of the seal groove which could result in damaging the seal.
13. GPD 13.1 GENERAL WORKING PRINCIPLE The GPD plug diverter has been specially designed to re‑route powders and pellets in gravity systems. Pipe changeover is achieved by turning the plug in the body. The unit is driven by means of a pneumatic torque actuator actuated by a solenoid valve.
13.2 STANDARD EXECUTIONS AND SPECIFICATIONS GPD plug diverter has been specially designed to re‑route powders and pellets in gravity systems. Figure 13.2: GPD Pressure No pressure Product temp °C Standard ‑20°C…+80°C Ambient temp °C Standard ‑20°C…+40°C Material of construction Body cover: Cast iron / Aluminium / Stainless steel 316 Plug: Mild steel / Hardox / Stainless steel 316L Flange hole pattern DIN PN 10 / ANSI 150 lbs...
13.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
CAUTION! After installation test run the diverter valve. 13.3.3 INSTALLING THE DIVERTER VALVE IN A POTENTIALLY EXPLOSIVE ATMOSPHERE Follow up the following important notes in addition to the regular product information and safety and installation instructions. Read following chapters carefully in addition to the regular product‑, safety‑ and installation information, before installing the product: •...
13.3.3.2 ACCESSORIES (IF FITTED) Only use; • solenoid valve • proximity switch • pressure switch • terminal box • electrical actuator • etc. that are CE marked and with an ATEX‑approval, equal or higher than the ATEX‑approval mentioned on the diverter valve.
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POSITION INDICATOR Rotech Switch control: ACR3ASTAZ10 Electromechanical switches Material: Aluminium housing Protection: IP65 Cable gland: M20x1.5; clamp range 8‑13mm Standard voltage: 230V AC 4A – 24V DC 16A Temperature range: ‑25°C…+85°C Rotech Switch control: APFN412EASEAZ10 Inductive proximity switch: P&F NBN4‑12GM50‑E2 3 wires PNP NO Material: Aluminium housing...
• Remove the lip seals (11) from cover. Figure 13.6: Dismantling shaft seal for cleaning GPD 13.3.7 RE‑ASSEMBLY INSTRUCTION After cleaning and checking or replacement of parts, the diverter valve can be re‑assembled as follows: • Replace shaft seals in the covers. •...
13.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
13.4.2 GENERAL ASSEMBLY & PART LIST (USDA APPROVED) 13.4.2.1 GENERAL ASSEMBLY GPD DAIRY‑WD Figure 13.8: General assembly GPD Dairy‑WD Figure 13.9: Shaft seal detail 105/196...
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13.4.2.2 PART LIST GPD DAIRY‑WD 01 Body 14 Bolt 51 Switch box 02 End cover 15 Washer 52 Solenoid valve 03 Plug 16 Nameplate 54 Coil 04 Cover 17 Gasket 55 Mounting flange 05 Earth set 18 Bolt 60 Fitting 10 Ball bearing 19 Dowel 61 Bolt...
13.4.3 DISMANTLING GPD DAIRY‑WD ATTENTION! The unit requires disassembly for hand cleaning. Plug and seal should be removed, cleaned and reassembled every time the unit is cleaned. INSTRUCTION • Disconnect electric wiring from solenoid valve and position switches and remove air hoses. •...
13.4.4 RE‑ASSEMBLY GPD DAIRY WD INSTRUCTION After cleaning and checking or replacement of parts, the diverter valve can be re‑assembled as follows: • Replace shaft seals in the covers. • Now slide the plug axially in the body and make sure that the position of the square insertion end of the plug correspond to the opening in the actuator.
14. 2‑TDV 14.1 GENERAL WORKING PRINCIPLE The 2‑TDV, 3‑TDV and M‑TDV tube diverters pneumatically conveying products in powder or pellet form to multiple destinations (diverging). Or from multiple sources to one destination (converging). The 2‑TDV diverter is driven by means of a pneumatic actuator actuated by a solenoid valve to get a perfect alignment of the swan‑neck and selected nozzle.
14.2 STANDARD EXECUTIONS AND SPECIFICATIONS 2‑TDV diverters pneumatically convey products in powder or pellet form to multiple destinations (diverging) or from multiple sources to one destination (converging). Figure 14.2: 2‑TDV Pressure Inflatable ‑0,8…+3 bar Product temp °C Standard ‑20°C…+100°C (+130°C for short term only) Ambient temp °C Standard ‑20°C…+40°C Material of construction...
14.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
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Check that the electrical leakage resistance is less than 10 Ω between pipe and Body. 2‑3 TDV TUBE DIVERTER VALVE When assembling the protection guard make sure that no ignition sources (e.g. sparks, through contact) can be created. DIVERTER VALVE EXTERNAL NO ZONE •...
14.3.3 2‑TDV: INSTALLING THE TUBE DIVERTER VALVE INTO THE SYSTEM DANGER! Do not switch position. Danger to fingers and hands. During operation or testing of the tube diverter, pipe connections must not be open or unprotected. Pipe changeover must only be carried out when the product pipes are not pressurised and do not contain product! The diverter valve must not be put into service until the equipment into which they have been incorporated have been declared in conformity with the Machinery Directive.
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14.3.4.1 CONNECTION DIAGRAM FOR THE 2‑TDV TUBE DIVERTER The 2‑TDV tube diverter is equipped as standard with a pneumatic actuator, electrically operated 5/2 solenoid‑solenoid valve and switchbox with Micro‑switches. For the inflatable seal version there is an extra pressure regulator, solenoid valve and pressure switch. DOUBLE ACTING PNEUMATIC ACTUATOR Airtorque: DR00XXXUF05F0717AZ...
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POSITION INDICATOR Rotech Switch control: ACR3ASTAZ10 Electromechanical switches Material: Aluminium housing Protection: IP65 Cable gland: M20x1.5; clamp range 8‑13mm Standard voltage: 230V AC 4A – 24V DC 16A Temperature range: ‑25°C…+85°C Rotech Switch control: APFN412EASEAZ10 Inductive proximity switch: P&F NBN4‑12GM50‑E2 3 wires PNP NO Material: Aluminium housing...
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14.3.4.2 PNEUMATIC CONNECTION 2‑TDV Figure 14.3: Pneumatic connection 2‑TDV CAUTION! After pressure switch deflation signal, program a 2 second delay before moving to new position so that seals are completely deflated before movement. 116/196...
14.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
14.4.3 DISMANTLING DISMANTLING (FOR CLEANING) • • Remove bolts (71) and washer (72). Remove slide ring (10). • Remove bolts (75) and washer (76). • Remove swan neck. (15). 121/196...
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• Position rotation disc to remove seal (03). • Remove nut (68) and washer (69). • Press the seal (03) and tension ring (02) out of the nozzle. • • Remove tension ring (02). Clean nozzle. • • Clean tension ring and seal. Rotate disc and remove other seal and clean nozzle.
15. 3‑TDV 15.1 GENERAL WORKING PRINCIPLE The 2‑TDV, 3‑TDV and M‑TDV tube diverters pneumatically conveying products in powder or pellet form to multiple destinations (diverging). Or from multiple sources to one destination (converging). The 3‑TDV diverter is driven by means of an electric 3‑position actuator and a pneumatic cylinder to get a perfect alignment of the swan‑neck and selected nozzle.
15.2 STANDARD EXECUTIONS AND SPECIFICATIONS 2‑3 TDV diverters pneumatically convey products in powder or pellet form to multiple destinations (diverging) or from multiple sources to one destination (converging). Figure 15.2: 3‑TDV Pressure Inflatable ‑0,8…+3 bar Product temp °C ‑20°C…+100°C (+130°C for short term only) Ambient temp °C Standard ‑20°C…+40°C Material of construction...
15.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
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Check that the electrical leakage resistance is less than 10 Ω between pipe and Body. 2‑3 TDV TUBE DIVERTER VALVE When assembling the protection guard make sure that no ignition sources (e.g. sparks, through contact) can be created. DIVERTER VALVE EXTERNAL NO ZONE •...
15.3.3 3‑TDV: INSTALLING THE TUBE DIVERTER VALVE INTO THE SYSTEM DANGER! Do not switch position. Danger to fingers and hands. During operation or testing of the tube diverter, pipe connections must not be open or unprotected. Pipe changeover must only be carried out when the product pipes are not pressurised and do not contain product! The diverter valve must not be put into service until the equipment into which they have been incorporated have been declared in conformity with the Machinery Directive.
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DOUBLE ACTING PNEUMATIC CYLINDER Festo: Type ADN Medium: air filtration lubricated or not up to 10 bar Temperature range: ‑20°C…+80°C Working pressure: 5‑10 bar PROXIMITY‑SWITCH. Festo: Type SME‑8M‑DS‑24V‑K‑2,5‑OE Protection: IP65 Standard voltage: 5‑30 V AC/DC Temperature range: ‑20°C…+70°C CYLINDER Solenoid valve 5/2 bistable execution with manual control. FOR INFLATABLE SEAL EXECUTION Solenoid valve 3/2 Monostable execution with manual control.
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15.3.4.1 PNEUMATIC CONNECTION 3‑TDV Figure 15.3: Pneumatic connection 3‑TDV CAUTION! After pressure switch deflation signal, program a 2 second delay before moving to new position so that seals are completely deflated before movement. 130/196...
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15.3.4.2 ELECTRICAL CONNECTION 3‑TDV First carefully read the instructions supplied by the manufacturer of the Electric actuator, before installing the product. Terminals 6 & 9 4 & 8 F4 & F9 Position 1 Open Closed Closed Position 2 Open Open Open Position 3 Closed...
15.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
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15.4.1.1 GENERAL ASSEMBLY (3‑TDV) Figure 15.10: General assembly (3‑TDV) 136/196...
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15.4.1.2 PART LIST (3‑TDV) 01 Nozzle 52 Filter regulator 85 Bolt 02 Tension ring 53 Pressure switch 86 Washer 03 Seal 55 Cylinder 87 Bolt 04 Bearing house 56 Proximity sensor 87 Cylinder bolt 05 Drive shaft 57 Solenoid valve 5/2 90 Cylinder bolt 06 End plate drive shaft 58 Coil...
15.4.2 DISMANTLING DISMANTLING (FOR CLEANING) • • Remove bolts (71) and washer (72). Remove slide ring (10). • Remove bolts (75) and washer (76). • Remove swan neck. (15). 138/196...
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• Position rotation disc to remove seal (03). • Remove nut (68) and washer (69). • Press the seal (03) and tension ring (02) out of the nozzle. • • Remove tension ring (02). Clean nozzle. • • Clean tension ring and seal. Rotate disc and remove other seal and clean nozzle.
16. M‑TDV 16.1 GENERAL WORKING PRINCIPLE The 2‑TDV, 3‑TDV and M‑TDV tube diverters pneumatically conveying products in powder or pellet form to multiple destinations (diverging). Or from multiple sources to one destination (converging). The M‑TDV diverter unit is driven by means of a geared motor, fitted with an encoder. The LTi Lust position controller makes it possible to get a perfect alignment of the swan‑neck and selected nozzle.
16.2 STANDARD EXECUTIONS AND SPECIFICATIONS M‑TDV tube diverters pneumatically conveying products in powder or pellet form to multiple destinations (diverging). Or from multiple sources to one destination (converging). Figure 16.2: M‑TDV Pressure Inflatable ‑0,8…+3 bar Product temp °C ‑20°C…+100°C (+130°C for short term only) Ambient temp °C Standard ‑20°C…+40°C Material of construction...
16.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
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Check that the electrical leakage resistance is less than 10 Ω between pipe and Body. DIVERTER VALVE EXTERNAL NO ZONE • No external explosive atmosphere is permitted • No dust layers are permitted 16.3.2.1 DRIVE According to the ATEX directive the maximum velocity must not be higher than 1 m/s and the maximum power of the motor gear unit is not higher than 4kW.
16.3.3 M‑TDV: INSTALLING THE TUBE DIVERTER VALVE INTO THE SYSTEM DANGER! Do not switch position. Danger to fingers and hands. During operation or testing of the tube diverter, pipe connections must not be open or unprotected. Pipe changeover must only be carried out when the product pipes are not pressurised and do not contain product! The diverter valve must not be put into service until the equipment into which they have been incorporated have been declared in conformity with the Machinery Directive.
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16.3.4.1 DRIVE DRIVE / POSITIONING SPECIFICATION SEW drive: Type RF37/R DRSS4/TF/ES7C SEW drive: Type RF37/R EDRS71M4/TF/ES7C/AL‑II3GD Encoder: Type ES7C Motor power: 0.37kW Speed: 23rpm / 50Hz Electrical supply: 230/400 Volt 50Hz Protection: IP55 Isolation: LTI MOTION STANDARD (1X230V) Position controller Type CDB32.003, C2.4 art.nr.
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All data set by DMN‑WESTINGHOUSE. Positioning by Binary code input. For more information about LTi MOTION products see https://www.keba.com/en/industrial‑automation/keba‑lti PROXIMITY SWITCH FOR REFERENCE RUN • P&F Type NCB5‑18GM40‑Z1 • P&F Type NCB5‑18GM40‑Z1‑3G‑3D PROXIMITY SWITCH FOR POSITION CONFORMATION. (OPTIONAL) SOLENOID VALVE INFLATABLE SEAL FESTO TypeMOFH‑3‑1/8‑EX NO (24VDC)
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16.3.4.2 PRINCIPLE OF OPERATION. The unit is driven by means of a geared motor, fitted with an encoder. The LTi MOTION position controller makes it possible to get a perfect alignment of the swan‑neck and selected nozzle. Sealing is by means of inflatable EPDM seals located outside the product flow. The indexing plate seals off unused ports.
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16.3.4.3 CONTROL LTI MOTION Read operation manual LTi MOTION ‑ CDE/CDB3000. The Position controller is supplied as a loose part. An external power supply is required; this is not part of DMN‑WESTINGHOUSE supply. Table 16.1: Position selection Binary code 149/196...
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16.3.4.4 CONNECTING THE ELECTRICAL MOTOR • Sew star connection Figure 16.3: Connection of E‑motor (M‑TDV) • Connections U1, V1 and W1 (Fig. 2.4.1) must be connected with U, V and W (Fig. 2.4.2) from controller X1. Figure 16.4: Connection of motor (M‑TDV) •...
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16.3.4.5 ENCODER NOTE: Encoder voltage supply • Voltage supply on encoder: + 5V ± 5%, max. power consumption 150 mA (including load) • The encoders must have a separate sensor line terminal or sensor line must be connected to supply on encoder side. The sensor lines are required to measure a supply voltage drop in the encoder line.
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Track B must be terminated via a bridge between Pins 14 and 15. The terminating resistor (120 Ù ) is installed in the device. The customer must perform the wiring as track CLK (pin 6, 11) must not be terminated if an SSI interface is used. 152/196...
16.3.4.6 POSITION CONTROLLER ATTENTION! The Position controller is supplied as a loose part and as such should be remotely mounted in a suitable enclosure. The position controller is programmed for the specific diverter. On the position controller is a sticker with the description, serial‑ and DMN order number of the corresponding diverter.
16.3.4.8 ENCODER CONNECTIONS Figure 16.6: Controller (M‑TDV) Figure 16.7: Controller (M‑TDV) CABLE OPTION • Available in different length (5m, 10m, 20m and 50m) • A 0.5m cable is mounted to the diverter and connected to the terminal box. 155/196...
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16.3.4.9 INSTALLATION OF THE M‑TDV DIVERTER VALVE. Read following chapters carefully in addition to the regular product‑ and safety information, before installing the product: • Installation, commissioning and maintenance (chapter 16.3). • M‑TDV: Installing the tube diverter valve into the system (chapter 16.3.3). INSTRUCTION •...
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Figure 16.9: Mounting position M‑TDV 158/196...
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Figure 16.10: Activating the breather valve gear unit (M‑TDV) INSTALLATION SEQUENCE INSTRUCTION • Install the diverter without connecting to power source. • Connect product pipes. • Connect compressed air to diverter valve. • Connect solenoid valve and check the pressure regulator setting. •...
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16.3.4.10 TROUBLE SHOOTING AT THE COMMISSIONING Error Movement Problem Cause Gear box Bridges from electric gear box changed. (See page 12) Gear box No terminal sensor connected. (See page 12) Controller 24 VDC for instrumentation not from an external power unit. Controller No bridges from pin 13 to 19 (See page 16) Pressure...
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Figure 16.11: Position controller (M‑TDV) 161/196...
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MEANING OF THE LIGHT EMITTING DIODES The positioning controller is fitted with three status LED’s in red (H1), yellow (H2) and green (H3) at the top right. Device status red LED (H1) yellow LED (H2) green LED (H3) Supply voltage 24 V DC (internal or external) for control element applied or closed loop control in “Parameterization”...
16.4 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
16.4.3 DISMANTLING The unit requires disassembly for hand cleaning. INSTRUCTION • Disconnect electric wiring and remove air hoses. Internal disassembly of diverter valve remove swan‑neck and rotating disc. External disassembly of diverter valve remove piping and nozzle. 16.4.3.1 INTERNAL DISASSEMBLY OF DIVERTER VALVE REMOVE SWAN‑NECK AND ROTATING DISC. •...
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• Remove air seals (03) from nozzle. • Check seal for damage and replace, if necessary. • Clean nozzles and cover. 167/196...
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16.4.3.2 EXTERNAL DISASSEMBLY OF DIVERTER VALVE REMOVE PIPING AND NOZZLE. Figure 16.14: Disassembly for cleaning (M‑TDV) • Remove nuts (65) from the cover. • Remove nozzles (01). • Remove air seals (03) from nozzle. • Check seal for damage and replace, if necessary. •...
16.4.4 RE‑ASSEMBLY INSTRUCTION After cleaning and checking or replacement of parts, the diverter valve can be re‑assembled as follows: • Re‑assemble the parts in reverse of dismantling procedure. PAY SPECIAL ATTENTION TO THE FOLLOWING POINTS: • Seal assembly. • Replace nozzles (01). •...
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16.4.4.1 DISMANTLING AND ASSEMBLY DRIVE DISMANTLING • Remove bolts (78). • Dismantle drive‑encoder (45) from bearing house. RE‑ASSEMBLY • Assemble drive to bearing house using bolts. • Check correct mounting position drive. ATTENTION! After assembly test run the diverter valve. ATTENTION! If further maintenance or repair work of the M‑TDV unit is required, please contact our Service Department.
17. FDV 17.1 GENERAL WORKING PRINCIPLE The FDV flap diverter has been specially designed to re‑route powders and pellets in pneumatic conveying systems. Pipe changeover is achieved by turning the flap in the body. The unit is driven by means of an integral pneumatic cylinder or torque actuator actuated by a solenoid valve. The flap diverter valve housing is cast and may be of aluminium, iron or stainless steel, with a pipe or flange fittings.
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17.2 STANDARD EXECUTIONS AND SPECIFICATIONS FDV flap diverter has been specially designed to re‑route powders and pellets in pneumatic conveying systems. Figure 17.2: FDVP / FDVF Pressure ‑0,3…+2 bar Product temp °C Standard ‑25°C…+80°C (Optional up to +150°C) Ambient temp °C Standard ‑20°C…+40°C Material of construction Body cover: Cast iron / Aluminium / Stainless steel 316...
17.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
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FDVP WITH PIPE BONDED IN BODY Check that the electrical leakage resistance is less than 10 Ω between pipe and Body. DIVERTER VALVE EXTERNAL NO ZONE • No external explosive atmosphere is permitted • No dust layers are permitted 17.3.2.1 DRIVE According to the ATEX directive the maximum velocity must not be higher than 1 m/s and the maximum power of the motor gear unit is not higher than 4kW.
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17.4 INSTALLING THE FLAP DIVERTER VALVE INTO THE SYSTEM DANGER! Do not turn flap by hand or switch position. Danger to fingers and hands. During operation or testing of the flap diverter, pipe connections must not be open or unprotected. Pipe changeover must only be carried out when the product pipes are not pressurised and do not contain product! The diverter valve must not be put into service until the equipment into which they have been incorporated have been declared in conformity with the Machinery Directive.
17.4.1 CONNECTION DIAGRAMS Read following chapters carefully in addition to the regular product‑ and safety information, before installing the product: • Installation, commissioning and maintenance (chapter 17.3). • Installing the flap diverter valve into the system (chapter 17.4). The flap diverter is equipped as standard with: ′′...
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POSITION INDICATOR Rotech Switch control: ACR3ASTAZ10 Electromechanical switches Material: Aluminium housing Protection: IP65 Cable gland: M20x1.5; clamp range 8‑13mm Standard voltage: 230V AC 4A – 24V DC 16A Temperature range: ‑25°C…+85°C Rotech Switch control: APFN412EASEAZ10 Inductive proximity switch: P&F NBN4‑12GM50‑E2 3 wires PNP NO Material: Aluminium housing...
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ATTENTION! Please study the operation instructions switchbox manufacturer. Prior to the delivery the position indication is set for the angle required for the Pneumatic torque actuator. If adjusting of the cams is necessary, and for instructions for electrical connection, please read the mounting and adjusting instructions Switch control.
17.5 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
17.5.3 DISMANTLING & RE‑ASSEMBLY 17.5.3.1 DISMANTLING STANDARD EXECUTION INSTRUCTION • Disconnect electric wiring from solenoid valve and position switches and remove air hoses. • Remove bolts (63). • Remove Mounting plate (56) including actuator unit (51/52/53). Figure 17.5: Disassembly torque actuator execution (FDV) 181/196...
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INSTRUCTION • Remove bolts (12) and remove flap housing (01) and flap assembly. • Remove bearing (33) and “O”‑ring (32) from flap assembly. • Disassemble flap assembly and remove seal (31) from trouser legs (02). • Check flap shaft (21), flap seal and bearings for damage and replace, if necessary. •...
18. BTD 18.1 GENERAL WORKING PRINCIPLE The BTD ball diverter has been specially designed to converge or diverge abrasive products in pneumatic conveying systems. The diverter is also suitable for systems having relatively high pressures and temperatures. The diverter can be used for both diverting and converging. When diverting the product itself provides the wear surface. When converging the impact area of the product on the diverter has been considerably strengthened.
18.2 STANDARD EXECUTIONS AND SPECIFICATIONS BTD ball diverter has been specially designed to converge or diverge abrasive products in pneumatic conveying systems. The diverter is also suitable for systems having relatively high pressures and temperatures. Figure 18.2: BTD Pressure ‑0,5…+6 bar Product temp °C Standard ‑25°C…+80°C (Optional up to +150°C Non ATEX) Ambient temp °C...
18.3 INSTALLATION, COMMISSIONING AND MAINTENANCE First read the safety instructions in chapter Safety before installing the product. DANGER OF DEATH! Electrical connection Make sure that appropriate power supplies are utilised during operation and that in the case of plant or component failure, the diverter valve is isolated from external power sources.
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Check that the electrical leakage resistance is less than 10 Ω between pipe and Body. BTD BALL DIVERTER VALVE Maximum product temperature is 80°C WARNING – SELF‑IGNITION OF DUSTS ‑ Self‑ignition temperature (SIT) of the product to be handled must be higher than Product temperature +10°C.
18.4 INSTALLING THE BALL DIVERTER VALVE INTO THE SYSTEM DANGER! Do not switch position. Danger to fingers and hands. During operation or testing of the ball diverter, pipe connections must not be open or unprotected. Pipe changeover must only be carried out when the product pipes are not pressurised and do not contain product! The diverter valve must not be put into service until the equipment into which they have been incorporated have been declared in conformity with the Machinery Directive.
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WORKING PRESSURE AT THE PNEUMATIC ACTUATOR: 4.5 ÷ 7 BAR. CAUTION! It is advisable to provide a local terminal board with an AUT ‑ 0 ‑ MAN selector and an extractable key on “0”, which makes it possible to electrically insulate the diverter in case of maintenance interventions. Before commencing any maintenance operation or removal of fixed guarding, IT IS ESSENTIAL that all power and air supplies are switched off.
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18.4.1.1 CONNECTION DIAGRAM FOR THE BALL DIVERTER The Ball diverter is equipped as standard with: ′′ • Pneumatic torque actuator, electrically operated 5/2 double solenoid valve 1/4 micro switches and junction box. ATTENTION! All electrical connections Must be carried out by a qualified electrician. DOUBLE ACTING PNEUMATIC ACTUATOR Airtorque: DR00XXXUF05F0717AZ...
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Rotech Switch control: APF2V3NASTAZ10B Inductive proximity switch: P&F NJ2‑V3‑N 2GD Namur NC II2G Ex e ia IIC T6 Gb II2D Ex tb IIIC T80°C Db Material: Aluminium housing Protection: IP65 Cable gland: M20x1.5; clamp range 5,5‑13mm Standard voltage: 8,2V DC ≥ 3mA inactive ‑ ≤ 1mA active Temperature range: ‑25°C…+85°C Rotech Switch control:...
18.5 DISMANTLING, ASSEMBLING AND ADJUSTING DMN‑WESTINGHOUSE diverter valves are manufactured with great care. To reduce air leakage, internal running clearances are kept extremely small during manufacture and assembly of the diverter valve. First read the safety instructions in chapter Safety before dismantling, assembling and adjusting the product. ATTENTION! Dismantling, assembling and adjusting must only be performed by trained and authorised personnel! DANGER!
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18.5.1.1 GENERAL ASSEMBLY (BTD) Figure 18.4: General assembly (BTD) 192/196...
18.5.1.2 PART LIST 01 Body 23 Key 42 “O”‑ring 02 Inspection cover 24 Socket head screw 43 Lip seal 03 Wear ring 25 Spring washer 44 Barrier ring 04 Ball 26 Hexagonal head screw 45 Retainer ring internal 05 Shaft 27 Spring washer 46 Pneumatic actuator 06 Bush...
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18.5.2.2 REPLACEMENTS OF SEALS INSTRUCTION • Remove screw (20). • Remove seal‑holder (07) and seal (40) on one side of the ball. • Clean seal seats and the inside of the diverter valve in the area where seals are and insert a new seal. •...
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