Typically, PD are permanently mounted in the system at threaded test ports, in rigid tubing or in hose assemblies. "B" for Brass Body with Fluorocarbon seal.
Box of 5 Parker PD222 Series PD222Y PD Steel Test Port
PD222 Series PD Steel Test Port and Diagnostic Equipment Quick Coupler w/ Fema
PD222 Series Thread Size Steel Test Port &Diagnostic Equipment Quick Coupler
PD222 Series PD Steel Test Port and Diagnostic Equipment Quick Coupler