● Size: NPS 1/2”~ 48” , DN 15-1200 mm
● Pressure Rating: Class 150 -2500 LB , PN 10~400
American standard check valve is also called reverse check valve (one-way valve)
1. The design and manufacture of the product conforms to the national standard ANSIB16.34 and the American petroleum association standard APl6D requirements.
2. The disc of the American standard check valve is the swing type, the flow channel is straight, the horizontal pipe and the vertical pipe can be installed.
3. The rocker pin shaft of the American standard check valve adopts the built-in structure, reducing the external leakage defect.
4. Valve body, valve cover is bolted connection, under high pressure (PN is greater than 10MPa). The medium flange adopts the internal pressure self-sealing structure, which makes the beauty check valve body small, lightweight and reliable.