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Summary of Contents for Samson 2333
- Page 1 EB 2552-1 EN Translation of original instructions Type 2333 Pressure Reducing Valve with pilot valve Self-operated Regulators Edition October 2023...
- Page 2 Note on these mounting and operating instructions These mounting and operating instructions assist you in mounting and operating the device safely. The instructions are binding for handling SAMSON devices. The images shown in these instructions are for illustration purposes only. The actual product may vary.
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Page 3: Table Of Contents
Contents General safety instructions ................4 Process medium and scope of application ............5 Transportation and storage ................5 Design and principle of operation ..............6 Installation ....................9 Notes on installation ..................9 Strainers .....................10 Shut-off valve ....................10 Pressure gauge ....................11 Operation ....................12 Start-up .......................12 Pressure test ....................12 Steam applications ..................13 Adjusting the set point ..................13... -
Page 4: General Safety Instructions
General safety instructions 1 General safety instructions − The device must be mounted, started up or serviced by fully trained and qualified personnel only; the accepted industry codes and practices are to be observed. Make sure employees or third parties are not exposed to any danger. − All safety instructions and warnings given in these mounting and operating instructions, particularly those concerning installation, start-up, and mainte- nance, must be strictly observed. -
Page 5: Process Medium And Scope Of Application
Process medium and scope of application 2 Process medium and scope of 2.1 Transportation and storage application The device must be carefully handled, trans- ported and stored. Protect the regulator Pressure regulators for set points from 2 to against adverse influences, such as dirt, 28 bar · Valve sizes DN 65 to 400 · Pressure moisture or temperature outside the ambient rating PN 16 to 40 · Suitable for liquids, temperature range. -
Page 6: Design And Principle Of Operation
(3.1) are version has a compensation chamber (10) compared. already fitted in the control line. The needle In the Type 2333 Pressure Reducing Valve, a valve (9) is open and lead-sealed. A com- rise in downstream pressure p causes the pensation chamber and needle valve are ad- pilot valve to close. - Page 7 Design and principle of operation Type 2333 Pressure Reducing Valve · Type 2422 Valve, balanced by a bellows · DN 65 to 250 1) Type 2422 as main valve balanced by a bellows Version suitable for steam Pilot valve Bottom section with bellows Pilot valve Bottom section with bellows Version suitable for liquids and gases Globe valve (main valve) Strainer...
- Page 8 Design and principle of operation Type 2333 Pressure Reducing Valve · Type 2422 Valve, balanced by a diaphragm · DN 125 to 400 Pilot valve Diaphragm section Type 2422 as main valve, balanced by a diaphragm Valve body (main valve) Control pressure Seat Upstream pressure Plug with plug stem Downstream pressure 3.1 Set point spring Pilot valve...
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Page 9: Installation
Observe the flow direction. steam. Valve balanced by a bellows Contact SAMSON to obtain the − Bellows including TV-SK 17041 documentation which contains housing suspended downward. more details on installation requirements. Valve balanced by a diaphragm 4.1 Notes on installation... -
Page 10: Strainers
Pipeline routing in the pipeline and install a bypass. The inlet and outlet lengths vary depending on several variables and process conditions 4.2 Strainers and are intended as recommendations. Contact SAMSON if the lengths are Install a strainer (e.g. SAMSON Type 1/ significantly shorter than the recommended Type 2) upstream of the pressure reducing lengths. valve. -
Page 11: Pressure Gauge
Shut-off valve Upstream pressure gauge Strainer Type 2422 as main valve Downstream pressure gauge Shut-off valve Type 2333 Pressure Reducing Valve Fig. 3: Installation example for Type 2333 Pressure Reducing Valve Table 2: Inlet and outlet lengths min. min. a x DN b x DN Inlet length... -
Page 12: Operation
See Fig. 1 and Fig. 2. Note 5.1 Start-up The plant operator is responsible for performing the pressure test. SAMSON's Do not start up the regulator until all parts After-sales Service can support you to plan have been mounted (e.g. valve and control and perform a pressure test for your plant. -
Page 13: Steam Applications
Operation 5.3 Steam applications The pressure gauge located on the down- stream pressure side allows the adjusted set Observe the following points for applications point to be monitored. with steam: First set the minimum set point by turning the − Before start-up, all pipes conveying the set point adjuster counterclockwise (Q). -
Page 14: Servicing
Depending on the operating conditions, analysis may often require the on-site assis- check the regulator at regular intervals to tance of SAMSON's After-sales Service. avoid possible malfunctions. The table is not intended to be exhaustive as there are diverse reasons for malfunctions. - Page 15 Servicing Table 3: Troubleshooting Malfunction Possible reasons Recommended action Note Malfunction only occurs when the consumer is closed or during low load: Remove valve from the pipeline Install a shut-off valve instead of and clean seat and plug. the pilot valve. If the main valve Pilot valve · Leak between Renew plug, if necessary.
- Page 16 Servicing Troubleshooting (continued) Malfunction Possible reasons Recommended action Note Strainer in the line in which the pilot valve is installed is Clean the strainer. clogged up. The required minimum differ- Raise upstream pressure or re- ential pressure to operate the duce downstream pressure.
- Page 17 If this is the case, send a sketch of plant at the location where the process especially in applica- the plant to SAMSON for a thor- regulator is installed are not tions with gases, air or steam. ough analysis.
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Page 18: Nameplate
Order number or date 10 Body material coefficient 11 C coefficient (K x 1.17) Valve size 12 Class (pressure rating) Pressure rating 10 Perm. differential pressure in bar 11 Perm. temperature in °C 12 Body material Fig. 4: Nameplate of Type 2333 Pressure Reducing Valve EB 2552-1 EN... -
Page 19: Technical Data
Technical data 8 Technical data Table 4: Technical data · All pressures in bar (gauge) Balanced by a bellows Type 2422 Valve Suitable for liquids, gases or vapors · · Valve size DN 65 DN 80 DN 100 DN 125 DN 150 DN 200 DN 250 Pressure rating PN 16 to 40 ·... - Page 20 Technical data Type 2422 Valve · Balanced by a diaphragm· Suitable for liquids and gases Valve size DN 125 DN 150 DN 200 DN 250 DN 300 DN 400 4) Pressure rating PN 16 to 40 · Conformity coefficient 1250 2000 1) 1) value 0.35 1) Minimum differential pressure 0.8 bar 0.4 bar 0.5 bar 0.3 bar 1) 1) Δp Max.
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Page 21: Dimensions
Dimensions 9 Dimensions Type 2422 Valve · Balanced by a bellows, with pilot valve · DN 125 Type 2422 Valve · Balanced by a bellows, to 250 with diaphragm actuator · DN 65 to 250 Ø D Valve balanced by a bellows, with DN 125 DN 150 DN 200 DN 250 pilot valve Length L Height H Height H1 Height H2 Max. - Page 22 Dimensions Type 2422 Valve · Balanced by a diaphragm, with pilot valve · DN 125 to 400 Valve balanced by a diaphragm, DN 125 DN 150 DN 200 DN 250 DN 300 DN 400 with pilot valve Length L 1100 Height H1 Height H2 Weight , approx. 50 kg 70 kg 210 kg 305 kg 315 kg 625 kg (PN 16, with Type 44-1 B Pilot Valve)
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Page 23: After-Sales Service
After-sales service 10 After-sales service If malfunctions or defects occur, contact the SAMSON's After-sales Service for support. The addresses of SAMSON AG, its subsidiaries, representatives and service facilities world- wide can be found on the SAMSON website (u www.samsongroup.com), in all SAMSON product catalogs or on the back of these Mounting and Operating Instructions. - Page 24 EB 2552-1 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 [email protected] · www.samsongroup.com...