Swing Wafer Check Valve

Specifications

Standards Compliance:
Design & Manufacture: API 6D, API 594, JB/T 8937-1999
Face-to-Face Dimension: API 6D, API 594, JB/T 8937-1999, DIN 3202
Inspect & Test: API 6D, API 598, JB/T 9092-1999
Pre-temp. Rating: JB/T 74, SH 3406, DIN 2401, HG 20604, HG 20625, GB/T 9124, ASME B 16.34
Flanged Dimensions: JB/T 74~90,GB/T 13402,GB/T 9112~9124,HG 20592~20635,SH 3406,API 605,AWWA C207,ASME B 16.5,ASME B 16.47,DIN 2543~2548

Structure Features
1. Wafer Check Valve is in Small Face to face dimension which is only of 1/4~1/8 of Standard Swing Flanged Check Valves.
2. With Small Volume and Weight
3. Disc can be quickly closed which ensuring a very small water hammer pressure
4. Perfect Flow Passage gives a very small flow resistance
5. Wafer check valves can be easily installed onto Pipelines both in Vertical and Parallel style
6. With Flexible actions and perfect sealing
7. Valve Disc of wafer check valve is with a short travelling journey which ensuring a very small impact caused by valve close
8. Wafer Check Valve is Integral Designed, provided with a compact structure and beautiful appearance.
9. Reliable provided with Long time service life
10. Wafer check valve is provide with a device preventing Flow Direction Reverse or Stop which can be controlled automatically