Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Spring, Body Material - Valves Bronze, Pipe or Tube Size 1/2 in, Connection Type Press x Press, Cracking Pressure 0.5 psi, Mounting Orientation Horizontal, Vertical, Seal Material EPDM, Max. Temp. - Valves 200 Degrees F, Min. Temp. - Valves 0 Degrees F, Max. Water Pressure - Valves 200 psi @ 200 Degrees F, Max. Steam Pressure - Valves Not Rated, Spring Material Stainless Steel, Full Flow - Valves No Featuring the Smart Connect(R) design that easily identifies unpressed connections, this Viega(R) zero lead check valve has a zero lead bronze body and POM bubble-tight check valve insert. Check valve is certified for use in potable water applications.