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              The Throttle Stop Emptying Valve

              Technical parameters and characteristics:

              Product type

              Control valves

              Product description

              The Throttle Stop Emptying Valve


              KSLJ41YF-The Throttle Stop Emptying Valve,KPT41YF-The Throttle Stop Emptying Valve

              Nominal diameter


              Operating temperature

              -46℃~150℃(the range of service temperature may vary for different materials)

              Operating pressure

              150-1500 CLASS


              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).

              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.

              Copyright © 2022 Fangzheng Valve Group Co., Ltd.     Address: No. 1921, Binhai 1st Road, Economic and Technological Development Zone, Wenzhou City, Zhejiang

              Support hotline:+86-577-6735 6515(Foreign)     +86-577-6799 5055(Domestic)


              Subsidiaries of Fangzheng Valve Goup



              Online serviceService hours:9:00-24:00

              Choose customer service online communication:




              +86-577-6735 6515
              Consulting service hotline



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