This is a Schedule 80 Van Stone Flange with a 4 inch spigot connection. This PVC flange complies with the perimeters specified in ANSI b16.5. A Van Stone flange is a two-piece flange with a rotating ring that makes bolt alignment simple. Maximum pressure rating is 150 PSI with a maximum operating temperature of 140 degrees F. The Schedule 80 flanges are constructed of Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly Vinyl Chloride (CPVC) Compounds.
Gaskets are sold separately.