Al-bronze C95800 Check Valve, Spring-loaded, 20 Inch, CL300

We are a professional fabricator of spring-loaded check valves designed according to API 594 standards for reliable non-return functionality. This 20-inch (DN500) valve features a robust body and disc made from corrosion-resistant aluminum bronze ASTM B148 C95800, making it ideal for harsh and seawater environments. Engineered for Class 300 LB pressure ratings, it is available in wafer, lug, and flanged end connections to accommodate diverse installation needs. The spring-loaded mechanism ensures quick, secure closure to prevent backflow, offering dependable performance in marine, offshore, and industrial pipeline systems.
 

Valve Description:
187303033 Dual Plate Check Valve
Design Standard: API 594
Structure: Spring-loaded, Dual Plate
Nominal Size: 20 Inch, DN500
Nominal Class: 300 LB
Body Material: ASTM B148 C95800
Operation: NA
Bore Type: NA
Trim Material: ASTM B148 C95800
End Connection: Wafer/LUG/Double Flanged
Face to Face: API 594
Test and Inspection: API 598
Key Features: Compact Design, Independent Spring, Optional Soft and Metal Seat, Unique Slim Plate Design, Aluminium bronze for Sea Water Service

Product Range:
Body Material: Aluminium Bronze
Normal Diameter: 1/2 Inch - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 LB - Class 300 LB
End Connection: Wafer, Lug, RF Flanged, RTJ
Working Temperature: -229°C - +1120°C
Operation: Not Applicable (Manual or actuated available for special request)
 

Independent Spring

The two plates are actuated by two separate high torsion springs and it ensure a quick closing, lower water hammer effection, longer working life and better sealing performance.