The Non return valve spring loaded is a loaded Y-pattern spring loaded valve made from Stainless Steel 316. It is available with a Stainless Steel 304 spring and PTFE seals. it is used by professionals for domestic and industrial projects but also for agricultural and watertreatment projects.
The Non return valve is available in a wide variety of Female x Female BSP thread connections, with a working pressure of 40 bar. It can be used for projects with a maximum temperature range up to 200 degrees.
Profec is a professional brand, mostly used for different water related projects.