Key Specifications / Features
We are a trusted China-based supplier of dual plate check valves designed to API 594 standards for reliable non-return flow control. This 26-inch (DN650) valve features a durable body made from aluminum bronze ASTM B148 C95800, providing exceptional corrosion resistance in harsh environments. Rated for Class 300 LB, it is available with wafer, lug, or flanged end connections to suit various piping systems. Ideal for marine, offshore, and industrial applications, this valve ensures efficient backflow prevention while offering long-term durability and easy installation across diverse operating conditions.
Valve Description:
187303035 Dual Plate Check Valve
Design Standard: API 594
Structure: Spring-loaded, Dual Plate
Nominal Size: 26 Inch, DN650
Nominal Class: Class 300 LB
Bore Type: NA
End Connection: Wafer/LUG/Double Flanged
Operation: NA
Body Material: ASTM B148 C95800
Trim Material: ASTM B148 C95800
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)
End Connections:

Wafer End

Lug End

Flanged End