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Tel:  +86-577-6735 6515
       +86-577-6799 5055
Zip code:  325102
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         +86-577-6799 5056
Address:  NO.1921 Binhai Avenue 1, Economy & Technology Development Zone, Wenzhou City, Zhejiang Province, China 325025

产品详情
Throttling stop and vent valve

Technical parameters and characteristics:

Product type Control valves
Product description Throttling stop and vent valve, sleeve type blowdown valve
Model KSLJ41YF-throttling stop and vent valve,KPT41YF-sleeve type blowdown valve
Nominal diameter 2”~24”(50mm~600mm)
Operating temperature -46℃~150℃(the range of service temperature may vary for different materials)
Operating pressure 150-1500 CLASS
Material Main material: A216 WCB、WCC;A217 WC6、WC9、C5、C12、C12A、CA15; A351 CF8、CF8M、CF3、CF3M、CF8C、CN3MN、CK3MCUN、CN7M; A352 LCB、LCC; A494 CW-6MC、CU5MCuC、M35-1; A890 4A(CD3MN)、5A(CE3MN)、6A(CD3MWCuN); ASME B 148 C95800、C95500, etc.
Design standard BS 1873 、ASME B16.34、GB 12235、GB 12224
Structural length ASME B16.10
Connecting end ASME B16.5、ASME B16.25、GB 9113、GB 12224
Test standard API 598、ISO 5208、JB/T9092、GB/T13927
Operation method Elevating hand wheel, non-elevating hand wheel, bevel gear, motor drive unit, pneumatic drive unit
Application fields For petroleum, natural gas, chemical engineering and electric power industries.
Other remarks 1 The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve.
Other remarks 2 The cage type labyrinth throttling device is adopted to reduce the flash and noise of downstream fluid. The piston compound seal can separate the seal from the throttling area to reduce erosion of sealing pair, thus the service life is longer and the sealing performance is reliable.
Other remarks 3 A balance hole is set on the valve core to greatly reduce the operating moment (the opening/closing moment is only 1/3~1/2 of that of a common valve). /td>
Other remarks 4 The valve sleeve type blowdown valve is a new multi-functional valve integrating blowdown, throttling, cutoff and venting functions.
Other remarks 5 To blow down, close the upstream valve to make the pipelines at both ends at zero pressure, remove the lower cover to take out the filter screen, and clean the sediments in the valve chamber.
Other remarks 6 Short stroke is suitable for application at positions subject to frequent opening.
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Subsidiaries of Fangzheng Valve Goup