API 594 Dual Plate Check Valve, Non-Return Valve, 20 Inch, Class 150 LB, A352 LCB, Wafer/Flanged.
Check Valve Specification
1842029
Dual Plate Check Valve
Design Standard: API 594, API 6D
Structure: Spring Loaded, Dual Plate
Nominal Size: 20 Inch
Nominal Class: Class 150 LB
Body Material: ASTM A352 LCB, ASTM A216 WCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy.
Bore Type: /
End Connection: Wafer, Lug, Double Flanged
Operation: /
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: Compact Design, Optional Soft and Metal Seat, Independent Spring, Unique Slim Plate Design.
Product Line
Normal Diameter: 1/2 Inch - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 LB - 2500 LB
Body Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, Al-bronze, Titanium
End Connection: Wafer, Lug, Flanged-RF, RTJ
Working Temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request).
Attentions
Dual Plate Check Valve is not shut-off valve.
Dual Plate Check Valve is not pigable.
When it’s used, a shut-off valve shall always be installed together.
