Flanged Wafer Check Valve

Flanged Wafer Check Valve

ALPHA’s retainerless design Flanged Wafer Check Valves are available for a broad range of applications. 

Specification 

Size Range: 2" – 60"
Pressure Class:
ASME 150 – 2500
API Standards: 594, 6D & 6A
ASME B16.34 

Feature 

· Wafer, Lug & Flange Type

· Retainerless Design

· Low Checking Pressure

· Non-Slamming

· Firesafe by Design

Advantage

The disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines.