Piston check valve (with internal threads)

Stainless steel piston check valves are designed to stop the flow of liquid in the pipeline from returning after the liquid supply has been shut off. Stainless steel piston check valves are made of AISI 304 or AISI 316 steel. These products are used in plumbing, as well as in the dairy, meat, vegetable, beverage and other food industries.