Pipe ball check valves hinder the inverse flow motion where bubble tight shut off is not required. These check valves are specifically designed to perform in working temperatures that reach 660°F. Not used as a relief device, these check valves are able to generate a pressure capacity of 1.5 bar. They consists of a body, a cover, a poppet and a cover gland all fabricated from 316 stainless steel. Its ball and spring is also made out of stainless steel.