1.Vertical barrel lift structure with smooth internal bore, large flow capacity and minimum flow resistance for unobstructed forward medium flow.

2.Automatically opened and closed by medium pressure to effectively prevent backflow, protecting pumps, storage tanks and downstream equipment.

3.Metal-to-metal hard seal, erosion, high temperature and wear resistant, suitable for chemical, gas, water supply and seawater pipelines.

4.Integral cast CF8 stainless steel body with excellent anti-corrosion performance against water, weak acid, oil and gas media, long service life.

5.Compact vertical shape with small installation footprint, specially designed for vertical pipeline installation.

6.Standard RF flanged ends compatible with general industrial pipelines, easy disassembly and maintenance.

7.100% hydrostatic shell & seat test before delivery; UT/PT NDT inspection available for castings and welds.

8.We provide customized solutions according to customers’ working conditions, drawings and parameter requirements.