Twin disc check valves to the clamp wafer, lug, apply to the ANSI 150 ~ 2500 lb, working temperature 196 ~ 570 ℃, the petroleum, chemical industry, fire power under various working conditions such as the pipeline, cut off or connect medium.
The applicable media is mainly oil, natural gas, acid natural gas, gas, water and coal.

Design features
►The structure length is short, and its structure length is only 1/4 ~ 1/8 of the traditional flange check valve;
►Small size and light weight, its weight is only 1/4-1/20 of the traditional flange check valve;
►The disc is closed fast and the water hammer is low.
►Horizontal pipe or vertical pipe can be used, installation is convenient;
►The flow path is smooth and the fluid resistance is small;
►Good operation and good sealing performance;
►The overall structure is simple compact and beautiful;
►Long service life and high reliability.

Product range
Size range: clamping type: 1.5 ~ 84 "(150 ~ 2500LB)
Ear type: 2 "~ 36" (150 ~ 900LB)
Design and manufacture: API 6D, API 594
Structure length: API 6D, ANSI B16.10
Flange standard: ANSI B16.5
Test standard: API 6D, API 598