The API standard check valve produced by our company is designed and manufactured in full accordance with American standards, with beautiful structure and advanced. American standard check valve automatically opens and closes the valve disc depending on the flow of the medium itself, which is used to prevent the medium from flowing back to the valve, also known as check valve, check valve and countercurrent valve. Its main function is to prevent the medium from flowing back, reverse rotation of pump and driving motor, and release of container medium.

API Check Valve Specification

Main material

API Check Valve Standard and Features

Std:
1.Design & manufacture:API 6D,BS 1868,ASME B16.34
2.Flange END:ASME B16.5
3.Face To Face :ASME B16.10
4.Pressure-temperature rating:ASME B16.34
5.Butt END:ASME B16.25
6.Inspection & Test:API 598
7.Also available per NACE MR 0175,NACE MR 0103

Feature:
1. Full bore or reduced bore
2.Lug type,Wafer type,Flange Type
3. Renewable seat ring
4. Non-penetrate disc shaft
5. Horizontal or vertical service
6. Flanged ends or welded ends or wafer ends