Wafer Check Valves

Disc check valves

Dual Plate 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.

Leeo manufactures wafer check valves in 3 different variety

  1. Wafer Check Valves
  2. Disc Check Valves
  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 construction
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