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Swing Check Valve

Swing Check Valve

Swing Check Valve, Check Valve, Flanged Swing Check Valve manufacturer / supplier in China, offering Swing Check Valve, Electric Actuated Wafer Industrial Ball Valve, Worm Gear Operated Lug Butterfly Valve and so on.


Basic Info

  • Connection Form: Flange

  • Pressure: Ordinary Pressure

  • Sealing Form: Gland Packings Globe Valve

  • Standard: ANSI

  • Testing: API 598

  • Specification: 50mm-1250mm

  • HS Code: 8481804090

  • Material: A216 Wcb

  • Structure: Swing

  • Function: Non-Return

  • Flow Direction: Unidirection

  • Application: Industrial Usage, Water Industrial Usage

  • Transport Package: Wooden Case

  • Origin: Made in China

Product Description

Product typeSwitch valve
Product description Swing check valve
ModelH44H-swing check valve
Nominal diameter2"~50"(50mm~1250mm)
Operating temperature -196oC~593oC(the range of service temperature may vary for different materials)
Operating pressure150-2500 CLASS
MaterialMain 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;A995 4A(CD3MN),5A(CE3MN),6A(CD3MWCuN);ASME B 148 C95800,C95500, etc.
Design standardAPI 6D,API 594,BS 1868,ASME B16.34,GB 12236,GB 12224
Structural lengthASME B16.10
Connecting endASME B16.5,ASME B16.25,GB 9113,GB 12224
Test standardAPI 598,ISO 5208,JB/T9092,GB/T13927


Operation methodThe valve clack can be automatically opened and closed with the medium force, movement weight can be increased to facilitate fast closing of valve clack, hydraulic cylinder can be increased to facilitate slow closing of valve clack to prevent vibration of pipeline, and pigging can be performed through manual opening and locking the valve clack at the opening position.
Application fieldsFor application in fields such as electric power industry, petroleum refining, petrochemical engineering, offshore oil, tap water engineering in urban construction, chemical engineering, etc.
Other remarks 1The 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 2SS+ graphite or metallic seal or pressure self-sealing is adopted between valve body and bonnet for reliable sealing.
Other remarks 3Suitable for medium backflow prevention in pipeline or device
Other remarks 4Large check valves are designed with hydraulic damping cylinder to prevent the valve clack from bumping the valve seat, damaging the valve or causing pipeline vibration due to fast closing.
Other remarks 5In case of pigging requirement, API 6D swing check valve can be manually operated to fix the opening position of valve clack, so as to achieve the pigging objective.


H44H/W/Y-600LBInch DNLDD1D2bZ-ΦdH

Call our sales department at 0577-67357120 with any questions that you have about our valves. You may also email us.  As a global valve manufacturer andsupplier, we are committed to the highest industry standards and client satisfaction.

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