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.
Material - LASCO Schedule 40 Fittings are produced from PVC Type 1, Cell Classification 12454-B. -O-rings are produced from a Buna- N (Nitrile)
Not to be used in the Hot or Cold water distribution system in a dwelling Maximum Service Temperature 140°F
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