ASTM A351 CF8 Dual Plate Check Valve, 3 IN, 150 LB, API 594

DN80 Dual Plate Check Valve, Non-Return Valve, API 594, 3 Inch, Class 150 LB, A351 CF8 Body, Wafer Ends.


Valve Description: 

1842020 Dual Plate Check Valve
Design Standard: API 594, API 6D
Structure: Spring Loaded, Dual Plate
Nominal Size: 3 Inch, DN80
Nominal Class: 150 LB, PN25
Bore Type: /
End Connection: Wafer, Lug, Double Flanged
Operation: /
Body Material: ASTM A351 CF8, ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8M, ASTM A890 4A, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy
Trim Material: ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy.
Face to Face: API 594
Test and Inspection: API 598
Key Features: Optional Soft and Metal Seat, Compact Design, Independent Spring, Unique Slim Plate Design.
Applications: Water and Wastewater Treatment, Oil and Gas Industry, Chemical Processing, Power Generation, HVAC Systems, Marine Industry, Fire Protection Systems, Food and Beverage Industry.


Product Portfolio:

Body Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, Al-bronze, Titanium
Normal Diameter: 1/2 - 48 Inch (DN15 - DN1200)
Pressure Range: 150 - 2500 LB
Working Temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request)
End Connection: Wafer, Lug, Flanged-RF, RTJ


Independent Springs

The dual plates are operated by separate high-torsion springs, ensuring rapid closing, reduced water hammer effects, extended service life, and superior sealing performance.