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Disco Check Valve Manufacturers

Disco Check Valve

Disco Check Valve prevent reverse flow with disc movement that is parallel with the flow. With this design, the disc is always in the flow path. Discs are spring-loaded to assist in seating. These single plate wafer type lift check valves are bonnetless and are installed between flanges. The type of check valve disc has very short disc travel and responds very quickly to flow stoppage or reversal.

Series - 150 To 900

Thus minimizing the potential for water hammer. It is somewhat better than the tilting disc check valve at minimizing potential water hammer, but with a higher pressure drop.

Design Features
  • Light and Compact
  • “Zero Leakage” Sealing Design with Soft Seated
  • Installed in the horizontal and vertical up positions
  • Positive sealing under most operating conditions
  • Long-lasting service with superior performance
Product Specifications
  • Size 1/2″-8″ DN15-DN200
  • Pressure Class "150, 300, 600, 900" | PN10-PN160
  • End Connection Wafer, Lug
  • Body Material WCB, LCB, CF8, CF8M, CF3, CF3M, A890 4A, A890 5A
  • Spring Material 316, Inconel x750, Inconel 718 etc
  • Seat Material F6a, STL6, 304, 316, Hastelloy, Monel, etc
  • Stem Material A182 F6a, 410, 420, 304, 316, 17-4PH, F11, etc
  • Design Standard API594, API 6D, ASME B16.34
  • Face to Face Standard API 594, API 6D, ASME B16.10
  • Test Standard API 598, API6D, DIN 3230
  • Temperature Range -50°C~650°C
  • Actuator Options /
    Structure Style
  • Lift type, Spring loaded
    Connection Standard
  • Flange Drilling: ASME B16.5, DIN 2501, BS4504