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.
Do not use LASCO fittings for compressed air or gases.
Do not test PVC piping systems with compressed air or gases.
Do not use fittings with liquids not recommended by LASCO
