Polyconn's metric composite push-to-connect fittings have a body made of PBT with nickel plated brass threads on applicable fittings. The push fittings are used because they are lighter weight than a full brass fitting and more economical.
Working Pressure 150 PSI
Temperature range 32° - 140° F
Body material is PBT with NBR seals
28" Hg (99% Vacuum)