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Summary of Contents for APV DELTA DA3+ SLD
- Page 1 Operating Manual DELTA DA3+ SLD Double Seat Valve Read and understand this manual prior to operating or servicing this product.
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Page 5: Table Of Contents
DELTA DA3SLD-UK0.qxp / 12.2007 C o n t e nt : Page: General Terms Safety Instructions Mode of Operation 3 - 4 Valve in "closed" position Valve in "open" position Control Unit 5 - 6 Functional description of CU33 Direct Connect Control Unit with 2 Hall sensors + 2 external proximity switches Cleaning 6 - 7... -
Page 7: General Terms
- A safe discharge of the cleaning liquids must be ensured. - The valve must only be assembled, disassembled and reassembled by persons who have been trained in APV valves or by APV service team members. If necessary, contact your local APV representative. Welded actuators are preloaded by spring force. - Page 8 - Arising leakages at the seat seals are discharged at (E) in depressurized state. sensor 4 - The standard double seat valve DELTA DA3+ SLD is equipped with a Control Unit. main cylinder The 2 Hall sensors in the control unit and the two externally...
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Page 9: Mode Of Operation
DELTA DA3SLD-UK0.qxp / 12.2007 Mode of Operation fig. 3.1 Valve in "closed" position The lower and upper valve shafts are closed by spring force and safely separate the different fluids A and B. The leakage chamber L which is situated between the two valve shafts, provides for a free and absolutely depressurized discharge to the bottom. -
Page 10: Control Unit
DELTA DA3SLD-UK0.qxp / 12.2007 Control Unit CONTROL UNIT The following different designs are available: 3 soleniod valves (EMV) AS-interface 2.1 CU33 AS-interface 2.1 Safety Stop SLD ref.No.: 000 08 - 45 - 074/93 Profibus CU33 DA3+ Profibus ref.No.: 000 08 - 45 - 080/93 functional description, see separate operating manual of control units Direct Connect... - Page 11 3 switch 3 installation “ non-flush” signal external If the customer decides to use a valve position black proximity indicator other than APV type, we cannot take over external switch 4 proximity any liability for malfunctions. switch 4 blue...
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Page 12: Cleaning
DELTA DA3SLD-UK0.qxp / 12.2007 Cleaning For cleaning of the DELTA DA3+ valve, one has to distinguish between three areas: The flow areas The upper and lower passages are cleaned by the passing cleaning liquid during cleaning of the connected pipelines. The seal surfaces The seal surfaces of the upper area (upper shaft and seat seal) and the lower area (lower shaft and seat seal) are flushed and... -
Page 13: Flushing Quantity
DELTA DA3SLD-UK0.qxp / 12.2007 Cleaning Flushing quantity in ml per lifting cycle / 5 sec. 5000 DN 125, 150 fig. 5.6 4500 4000 DN 80, 100 Inch 4” 3500 3000 DN 40, 50, 65 2500 Inch 1,5”, 2”, 2000 2,5”, 3” 1500 1000 pressure in bar... -
Page 14: Installation
DELTA DA3SLD-UK0.qxp / 12.2007 Installation - The valve must be installed in vertical position. Fluids are, therefore, freely drainable from the valve housing and the leakage chamber. - Valve housings can be welded direct into the pipelines (completely dismantable valve insert). - Attention: Observe welding instructions. -
Page 15: Dimensions / Weights
DELTA DA3SLD-UK0.qxp / 12.2007 7. Dimensions / Weights installation weight dimensions min. in mm Ø Di Ø G 14,2 14,3 14,5 19,7 20,8 1074 47,1 1134 48,0 inch 1,5” 35,1 14,2 2” 47,8 14,3 2,5” 60,0 14,5 3” 72,1 14,9 4”... -
Page 16: Technical Data
DELTA DA3SLD-UK0.qxp / 12.2007 8. Technical Data product-wetted parts : 1.4571, 1.4404 other parts : 1.4301 seals : standard design: EPDM/ PTFE options: HNBR/ PTFE FPM/ PTFE VMQ/ PTFE actuator : PA 12 GF 30 spray connection : max. line pressure : 10 bar max. - Page 17 DELTA DA3SLD-UK0.qxp / 12.2007 8. Technical Data kvs - values in m 800* 500* 800* 500* 1200* 700* 1200* 700* inch 1,5” 2” 2,5” 3” 4” * no measuring value valve position valve position closed open table to fig. 8.3 8.3 valve stroke dimensions in mm upper...
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Page 18: Maintenance
(see item 12.). - Provide all seals with a thin layer of grease before their installation (see lubrication chart ) Recommendation: APV food grade grease for EPDM, HNBR and FPM (Viton) (0,75 kg/ tin - ref.-No. 000 70-01-019/93) (60 g/ tube - ref.-No. -
Page 19: Service Instructions
DELTA DA3SLD-UK0.qxp / 12.2007 Service Instructions The item numbers refer to the spare parts drawings DIN design : RN 01.053.76 Inch design : RN 01.053.76-1 10.1 Dismantling from the line system a. Shut off the line pressure in the product and cleaning lines, discharge the pipes if possible. - Page 20 DELTA DA3SLD-UK0.qxp / 12.2007 Service Instructions 10.2 Dismantling of the product-wetted seals ( service ) a. Unscrew the actuator screw from the guide rod. b. Remove the adapter for the control unit. c. Remove the lower and upper housing seal (35) from the valve seat (6).
- Page 21 (s. lubrication chart: RN 260.064-1) - Use appropriate pneumatic grease. Recommendation for the actuator (main cylinder): APV pneumatic grease: (25 ml tube - ref.-No. 000-70-01-008/93) b. Insert the seals into their corresponding grooves. c. Insert the piston rod (24) in the seat lift actuator.
- Page 22 DELTA DA3SLD-UK0.qxp / 12.2007 Service Instructions 10.4 Installation of product-wetted seals and assembly of the DELTA DA3SLD valve Attention: See to all seals and bearing surfaces in the product area being slightly greased before their installation (see lubrication chart: RN 260.064-1). a.
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Page 23: Installation Of Valve Insert
DELTA DA3SLD-UK0.qxp / 12.2007 Service Instructions 10.5 Installation of the valve insert control unit actuator screw a. Carefully place the valve insert in the valve housing until the screw stops (see 10.1.f.). b. Remove the stop screw and carefully press the valve insert adapter into the housing. - Page 24 DELTA DA3SLD-UK0.qxp / 12.2007 Disassembly and Assembly Tool 11.1 Assembly of the lower shaft seal pos. 37, 36 seal 37, 36 For a simple disassembly and assembly of the lower shaft seal seal lip a universal tool (ref.-No. 000 51-13-100/17) can be used. elastomer seal The use of this tool is especially recommended for valves of the small series (DN 40-65/inch 1,5”-3”), as access to the lower...
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Page 25: Assembly Tool For Middle Seal
2. Clamp the shaft into the housing by means of the threaded bolt. Clamp the housing into a vice. housing 3. Slightly grease the middle seal with APV food-grade grease. Then install the seal on the ring. valve shaft 4. Introduce the ring with the installed seat seal into the housing. -
Page 26: Trouble Shooting
DELTA DA3SLD-UK0.qxp / 12.2007 Trouble Shooting F a i l u r e R e m e d y Leakage at the upper housing flange. replace upper housing seal (35). Leakage from the leakage bore between replace lower housing seal (35) and the connecting ports. -
Page 27: Spare Parts Lists And Lubrication Chart
DELTA DA3SLD-UK0.qxp / 12.2007 Spare parts Lists and Lubrication Chart The reference numbers of the spare parts for the different valve designs and sizes are included in the attached spare parts drawings with corresponding lists. Please indicate the following data to place an order for spare parts: - number of required parts - reference number... - Page 28 D-59425 Unna Phone: +49(0) 23 03/ 108-0 Fax: +49(0) 23 03 / 108-210 For more information about our worldwide locations, approvals, certifications, and local representatives, please visit www.apv.com. Copyright © 2008 SPX Corporation The information contained in this document, including any specifications and other product details, are subject to change without notice.
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