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Summary of Contents for Samson 3321CT
- Page 1 Type 3321CT Valve (Clean Tech) For combining with actuators, e.g. with Type 3379 Pneumatic Actuator DIN version Mounting and Operating Instructions EB 8115 EN Edition May 2018...
- Page 2 Î For the safe and proper use of these instructions, read them carefully and keep them for later reference. Î If you have any questions about these instructions, contact SAMSON‘s After-sales Service Department (aftersalesservice@samson.de). The mounting and operating instructions for the devices are included in the scope of delivery.
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Page 3: Table Of Contents
Contents Safety instructions and measures ..............5 Notes on possible severe personal injury ............8 Notes on possible personal injury ..............8 Notes on possible property damage ..............9 Markings on the device ................10 Valve labeling ....................10 Actuator nameplate ..................11 Design and principle of operation ..............12 Fail-safe positions ..................12 Technical data .....................14 Measures for preparation ................16... - Page 4 Contents Ordering spare parts and operating supplies ..........33 Malfunctions ....................34 Troubleshooting ...................34 Emergency action ..................35 Decommissioning and disassembly ..............36 Decommissioning ..................36 Removing the valve from the pipeline .............36 Disposal ......................36 Appendix ....................37 After-sales service ..................37 Certificates ....................37 Spare parts ....................39 EB 8115 EN...
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Page 5: Safety Instructions And Measures
In case operators intend to use the control valve in other applica- tions or conditions than specified, contact SAMSON. SAMSON does not assume any liability for damage resulting from the failure to use the de- vice for its intended purpose or for damage caused by external forces or any other external factors. - Page 6 Î Check with the plant operator for details on further protective equipment. Revisions and other modifications Revisions, conversions or other modifications of the product are not authorized by SAMSON. They are performed at the user's own risk and may lead to safety hazards, for example. Fur- thermore, the product may no longer meet the requirements for its intended use.
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Page 7: Type 3379
Safety instructions and measures Responsibilities of operating personnel Operating personnel must read and understand these mounting and operating instructions as well as the referenced documents and observe the specified hazard statements, warnings and caution notes. Furthermore, the operating personnel must be familiar with the applicable health, safety and accident prevention regulations and comply with them. -
Page 8: Notes On Possible Severe Personal Injury
Safety instructions and measures 1.1 Notes on possible severe personal injury DANGER Risk of bursting in pressure equipment. Valves and pipelines are pressure equipment. Improper opening can lead to valve components bursting. Î Before starting any work on the valve, depressurize all plant sections concerned as well as the valve. -
Page 9: Notes On Possible Property Damage
Risk of valve damage due to the use of unsuitable tools. Certain tools are required to work on the valve. Î Only use tools approved by SAMSON (u AB 0100). Risk of valve damage due to the use of unsuitable lubricants. The lubricants to be used depend on the valve material. Unsuitable lubricants may cor- rode and damage the valve surface. -
Page 10: Markings On The Device
Markings on the device NOTICE Risk of contamination of the process medium through the use of unsuitable lubricant and/or contaminated tools and components. Î Keep the valve and the tools used free from solvents and grease. Î Make sure that only suitable lubricants are used (u AB 0100). 2 Markings on the device 2.1 Valve labeling 1…5... -
Page 11: Actuator Nameplate
Markings on the device Valve labeling Fig. 1: Valve labeling 2.2 Actuator nameplate See associated actuator documentation. EB 8115 EN... -
Page 12: Design And Principle Of Operation
The position of the plug is changed by the control signal acting on the actuator. ation 3.1 Fail-safe positions The single-seated Type 3321CT Globe Valve is preferably combined with a SAMSON Depending on how the compression springs Type 3379 Pneumatic Actuator. are arranged in the pneumatic actuator, the... - Page 13 Design and principle of operation Body Seat Plug Guide bushing Valve bonnet V-ring packing Hexagon screw Body gasket Flange Fig. 3: Type 3321CT Valve, DN 32 to 50 EB 8115 EN...
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Page 14: Technical Data
The dimensions and weights are listed in Ta- u T 8115. ble 2. Noise emission Note SAMSON is unable to make general state- Refer to the following documents for more ments about noise emission as it depends on dimensions and weights: the valve version, plant facilities and process u EB 8315 for Type 3379 Pneumatic Actua-... - Page 15 Design and principle of operation Table 2: Dimensions and weights Weight Type 3321CT EB 8115 EN...
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Page 16: Measures For Preparation
Measures for preparation 4 Measures for preparation 4.2 Transporting and lifting After receiving the shipment, proceed as fol- DANGER lows: Hazard due to suspended loads falling. 1. Check the scope of delivery. Compare Stay clear of suspended or moving loads. the shipment received with the delivery note. -
Page 17: Transporting
Measures for preparation NOTICE Note Risk of valve damage due to incorrectly at- Contact SAMSON's After-sales Service de- tached slings. partment for the transportation temperatures − When lifting the control valve, make sure of other valve versions. that the slings attached to the valve body bear the entire load. -
Page 18: Storage
5. Install the valve into the pipeline (see sec- − Observe storage instructions. tion 5.2.3). − Avoid long storage times. − Contact SAMSON in case of different stor- 6. After installation in the pipeline, check age conditions or long storage periods. whether the flanges are bolted tight and the valve in the pipeline holds. -
Page 19: Preparation For Installation
Î Check to make sure that the type desig- nation, valve size, material, pressure rat- Note ing and temperature range of the valve Contact SAMSON's After-sales Service de- match the plant conditions (size and partment for the storage temperatures of oth- pressure rating of the pipeline, medium er valve versions. -
Page 20: Mounting And Start-Up
5 Mounting and start-up 5.1 Mounting the actuator onto the valve SAMSON valves are delivered ready for use. In special cases, the valve and actuator 1. Make sure that the valve is completely are delivered separately and must be assem- open (the plug stem is completely retract- bled on site. -
Page 21: Guide Bushing
Mounting and start-up Fig. 5: Type 3321CT Valve Body Seat Plug Guide bushing Valve bonnet V-ring packing Hexagon screw Body gasket Flange Marking on the valve bonnet Fig. 6: Aligning the valve bonnet Front of the valve EB 8115 EN... -
Page 22: Installing The Valve Into The Pipeline
(10). the valve. 10. Firmly press the plug (3) into the seat (2), Î Contact SAMSON if the mounting posi- while fastening down the valve bonnet tion is not as specified above. (7) with the hexagon screws (10). Tight-... - Page 23 Mounting and start-up Table 3: Inlet and outlet lengths Flow rate Inlet length Outlet length a x DN b x DN a x NPS b x NPS State of process Valve conditions Inlet length a Outlet length b medium Ma ≤ 0.3 0.3 ≤ Ma ≤ 0.7 Ma ≤ 0.3 1) 0.3 ≤ Ma ≤ 0.7...
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Page 24: Additional Fittings
Strainers NOTICE We recommend installing a SAMSON Risk of valve damage due to a sudden pres- strainer upstream of the valve. It prevents sol- id particles in the process medium from sure increase and resulting high flow veloci- damaging the valve. -
Page 25: Quick Check
5.4 Quick check − Retract the plug stem to open the valve. − Observe the maximum permissible pres- SAMSON valves are delivered ready for sure for valve and plant. use. To test the valve's ability to function, the following quick checks can be performed:... -
Page 26: Operation
Operation 6 Operation The valve is ready for use when mounting and start-up (see section 5) have been com- pleted. WARNING Risk of personal injury when the actuator vents. Wear eye protection when working in close proximity to the control valve. WARNING Risk of burn injuries due to hot or cold com- ponents and pipelines. -
Page 27: Servicing
Risk of valve damage due to the use of un- While working on the valve, residual process suitable tools. medium can escape and, depending on its Only use tools approved by SAMSON properties, may lead to personal injury, e.g. (u AB 0100). (chemical) burns. -
Page 28: Replacing The Gasket
1. Undo the hexagon screws (10) on the valve bonnet (7). Note The control valve was checked by SAMSON 2. Lift the actuator, flange (14), valve bon- before it left the factory. net (7) and plug with plug stem (3) off −... - Page 29 Servicing Fig. 7: Type 3321CT Valve Body Seat Plug Guide bushing Valve bonnet V-ring packing Hexagon screw Body gasket Flange Marking on the valve bonnet Fig. 8: Aligning the valve bonnet Front of the valve EB 8115 EN...
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Page 30: Replacing The Packing
Servicing en the screws gradually in a crisscross pattern. Observe tightening torques. 7.2 Replacing the packing 1. Undo the hexagon screws (10) on the valve bonnet (7). 2. Lift the actuator, flange (14), valve bon- net (7) and plug with plug stem (3) off the body (1). -
Page 31: Replacing The Seat And Plug
Servicing 7.3 Replacing the seat and 14. Place the retaining washer (11) from above onto the plug stem (3). Observe plug the proper alignment (see Fig. 10). 15. Carefully slide the plug stem (3) into the NOTICE NOTICE valve bonnet (7). Risk of damage to the facing of the seat and 16. -
Page 32: Preparation For Return Shipment
Observe tightening torques. website at u www.samson.de > SERVICE 22. Carefully place the actuator, valve bon- & SUPPORT > After-sales Service > Dec- net (7), flange (14) and plug with plug laration on Contamination. -
Page 33: Ordering Spare Parts And Operating Supplies
> About SAMSON. 7.5 Ordering spare parts and operating supplies Contact your nearest SAMSON subsidiary or the SAMSON After-sales Service depart- ment for information on spare parts, lubri- cants and tools. Spare parts See section 10.3 for details on spare parts. -
Page 34: Malfunctions
Depending on the operating conditions, check the valve at certain intervals to prevent possi- ble failure before it can occur. Operators are responsible for drawing up an inspection and test plan. SAMSON's After-sales Service department can support you in drawing up an inspection and test plan for your plant. 8.1 Troubleshooting... -
Page 35: Emergency Action
Malfunctions Note Contact SAMSON's After-sales Service de- partment for malfunctions not listed in the ta- ble. 8.2 Emergency action Upon supply air or control signal failure, the valve moves to its fail-safe position (see sec- tion 3.1). The plant operator is responsible for emer- gency action to be taken in the plant. -
Page 36: Decommissioning And Disassembly
Decommissioning and disassembly 9 Decommissioning and disas- 9.1 Decommissioning sembly To decommission the control valve for service and repair work or disassembly, proceed as follows: DANGER Risk of bursting in pressure equipment. 1. Close the shut-off valves upstream and Valves and pipelines are pressure equip- downstream of the control valve to stop ment. -
Page 37: Appendix
You can reach the After-sales Service De- partment at aftersalesservice@samson.de. Addresses of SAMSON AG and its subsid- iaries The addresses of SAMSON AG, its subsid- iaries, representatives and service facilities worldwide can be found on the SAMSON website (www.samson.de) or in all SAMSON product catalogs. - Page 38 EQUIPEMENTS SOUS PRESSION 2014/68/UE GEMÄSS DRUCKGERÄTE-RICHTLINIE 2014/68/EG N° PED-030 Nr PED-030 Fabricant : Hersteller : Samson Régulation SA Samson Régulation SA 1, rue Jean Corona 1, rue Jean Corona F-69511 Vaulx-en-Velin Cedex F-69511 Vaulx-en-Velin Cedex Description de l’équipement sous pression : Beschreibung des Druckgerätes :...
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Page 39: Spare Parts
10.3 Spare parts Type 3379 Body Seat Plug Guide bushing Spring Washer Valve bonnet V-ring packing Spacer Hexagon screw Retaining washer Snap ring Body gasket Flange Type 3321CT EB 8115 EN... - Page 40 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 EB 8115 EN samson@samson.de · www.samson.de...
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