Key Specifications / Features
We are a leading provider of double disc check valves, offering high-quality, spring-loaded dual plate designs built to API 594 standards. Crafted from corrosion-resistant ASTM B148 C95800 aluminum bronze, both the body and disc ensure durability and performance in demanding environments. Our valves are available in large sizes up to 40 inches with a Class 300 LB pressure rating, making them ideal for marine, offshore, and industrial applications. Choose from wafer, lug, or flanged end connections for easy integration into your pipeline system, ensuring reliable backflow prevention and efficient fluid control.
Valve Description:
187303040 Dual Plate Check Valve
Design Standard: API 594
Structure: Spring-loaded, Dual Plate
Nominal Size: 40 Inch
Nominal Class: Class 300 LB
Test and Inspection: API 598
Bore Type: NA
Operation: NA
Body Material: ASTM B148 C95800
Trim Material: ASTM B148 C95800
Face to Face: API 594
End Connection: Wafer/LUG/Double Flanged
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)