Check Valves

Wafer Dual Plate Check Valve

150LB~900LB
2″~60″ (50~1500mm)
A216 WCB, S.S.304, S.S.316

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Wafer Dual Plate Check Valve Descriptions

Wafer dual plate check valve is one type of check valve with butterfly type disc, which can be mounted on the piping end as exhaust valve.Wafer type dual plate check valve is with two torsion springs added to each of pair valve plates, which close the plates quickly and automatically when the mediums flow back, preventing the medium from flowing back. The wafer butterfly check valve can be mounted onto both horizontal and vertical direction pipelines. Flowspec Luokai can manufacture the wafer dual plate check valve in accordance with ASME B16.34 and API594. Just feel free to contact us now to get best prices. 30 years of experience. High quality. Big stock. Fast delivery. 

1. FEATURES

  • Small in size, light weight, compact structure, easy maintenance
  • Quick action prevents of medium back flow
  • Short face to face and good rigidity
  • Easy installation, can be mounted horizontally and vertically
  • Tightly sealed, without leakage
  • Safe and reliable operation, high interference-resistance

3. STANDARDS

  • Design & manufacturing: ASME B16.34 / API594
  • Face to face: ASME B16.10, API594
  • Matching flanges: ANSI B16.5 RF
  • Inspection & testing: API598

2. TECHNICAL SPECIFICATIONS

  • 150LB/300LB/600LB/900LB
  • Size: 2″~60″ (DN50~1500mm)
  • Materials: A216 WCB, S.S.304(CF8), S.S.316(CF8M)
  • Applicable medium: water, sewage, sea water, air, steam, oils, food, corrosive liquids
  • Applicable temperature: -196℃~+540℃ (higher temperature is available upon request)

4. APPLICATIONS

  • Oil & gas field
  • Environment protection
  • Public facilities
  • Power plant
  • Building industry, real estate
  • Petroleum, chemical industry
  • Steel work, metallurgy

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