Plastic One-way Valve Water Stop Valve Check Valve Gas Water Stop Valve Liquid Check Valve 3mm 4mm 6mm 8mm 10mm Etc

For 3mm, 4mm ﹐ 5mm ﹐ 6mm ﹐ 8mm ﹐ 10mm ﹐ 12mm. These check valves can realize the check function without pressure.

If you need a check valve with a certain pressure to open.. Please indicate in the order. Otherwise, all we send are check valves that can be opened without pressure.

Specifications

• For 3mm ， 4mm ， 5mm ， 6mm ， 8mm ， 12mm

1. material of valve body: polypropylene (PP);
2. The valve core is silica gel;
3. Built in 304 stainless steel spring;,)

• For 4.5mm

1. valve body material: benzene permeable (PS);
2. The valve core is elastomer (TPE); (not oil resistant)

• For 10mm

1. (valve body material: copolymerization;
2. valve core: silica gel;
3. built-in 304 stainless steel spring;)

• If you need a one-way valve with pressure, you can refer to: 4mm (with pressure) 6mm (with pressure) 8mm (with pressure) 10mm (with pressure) 12mm (with pressure)

1. The material of valve body is poly (methyl methacrylate) (POM)
2. Valve core material: silica gel;
3. Built in 304 stainless steel spring;

• Fluororubber is all made of fluororubber and can be used in liquid or gas.
• Service pressure range of check valve:

1. Opening pressure: 0.002mpa (0.02kg water pressure)
2. Reverse pressure: 0.7MPa (7kg water pressure)