Tri Clamp Check Valve KF50 [HIGH-PRECISION SCREW]: The screw is

[HIGH-PRECISION SCREW]: The screw is made of high-strength material

[High Working Temp]: It is suitable for liquid with working at -80°C - 50°C

Diameter (in): 27

[Size]: 4" LID

1pc steel yoke

Tri Clamp Check Valve KF50 [HIGH-PRECISION SCREW]: The screw isThis one way check valve allows flow in only one direction. When the flow stops the valve automatically closes to stop materials from back flowing. The pressure required to open the valve and be adjusted by swapping out the inner spring (only one spring included) or rotating the spring plate. Quickly comes apart for easy cleaning. Specification Connection Type: Tri Clamp Connection Size: 1. 5", 2" Material: 304 Stainless Steel Working Temp.: 14F~248F