Key Specifications / Features
We are a trusted provider of dual plate check valves in China, offering high-performance non-return valves designed in compliance with API 594 standards. This 4-inch valve features a corrosion-resistant aluminum bronze body and disc made from ASTM B148 C95800, ideal for marine and corrosive environments. With options for wafer, lug, and flanged ends, it provides versatile installation across various piping systems. Rated for Class 150 LB, the valve includes a spring-loaded dual plate mechanism for quick shut-off and reliable backflow prevention. Compact, durable, and efficient, it's an excellent choice for demanding industrial and offshore applications.
Valve Description:
187303004 Dual Plate Check Valve
Design Standard: API 594
Body Material: ASTM B148 C95800
Trim Material: ASTM B148 C95800
Nominal Size: 4 Inches, DN100
Nominal Class: 150 LB, PN20
Bore Type: NA
End Connection: Wafer/LUG/Double Flanged
Operation: NA
Structure: Spring-loaded, Dual Plate
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)