ASTM F-1970 - Standard Specification for Special Engineered Fittings, Appurtenances or Valves for use in Poly (Vinyl Chloride)(PVC) or Chlorinated Poly (Vinyl Chloride)(CPVC) systems
Not to be used in the Hot or Cold water distribution system in a dwelling Maximum Service Temperature 140°F
Do not use fittings for compressed air or gases.
Do not test PVC piping systems with compressed air or gases