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Wafer Check Valves

Wafer Check Valves

Description:

Wafer check valves have short overall face to face dimensions in comparison with standard flanged end check valves. This reduces its weight considerably making it easy for installation & Handling. Also makes it very much cost effective compared to conventional flanged end check valves.

Flownotion manufactures wafer check valves in 3 different variety

  1. 1. Wafer Check Valves
  2. 2. Disc Check Valves
  3. 3. Dual Plate Check Valves

Codes & Standards

Design : API 6D – Wafer Check Valve, Manufacturer standard – Disc Check Valve, API 594/API6D – Dual Plate Check Valve
Testing : API 598

Design Features

  1. Compact design with short face to face dimensions.
  2. Bubble tight shut off for soft seat valves.
  3. Cost effective & ease of installation.
  4. Low cracking pressures.
  5. Available in different seating options.
  6. Springs gives better reaction to close.
  7. Disc check valves available in IBR Certification.

Valve Types Size Range Class Rating Connection Material Of Construcation
Wafer check Valves 25 - 1000 # 150 / # 300 Wafer
  1. Cast Iron
  2. ASTM A 216 Gr. WCB
  3. ASTM A 351 GR. CF8/CF3, CF8M/CF3M.
  4. Special Alloy Steel materials
Disc Check Valves 15 - 200 150# & 300# Wafer
  1. ASTM A 216 Gr. WCB
  2. ASTM A 351 GR. CF8/CF3, CF8M/CF3M.
  3. Special Alloy Steel materials
Dual Plate Check Valves 50 - 800 # 150 / # 300 / # 600 Wafer / Lugged / Flanged
  1. ASTM A 216 Gr. WCB
  2. ASTM A 351 GR. CF8/CF3, CF8M/CF3M.
  3. Special Alloy Steel materials