Three fittings in one: Check Valve, Disconnect, and Elbow!
Removable half of Disconnect is a 90° Elbow containing a full-opening Flap Check Valve (rated at 150 psi) which seals against a precision-machined face in the red brass Elbow casting.
Nitrile flap with stainless steel washers and rivet is easily replaced by removing 3 stainless steel bolts.