The ProFlex 4 in. x 3 in. Neoprene Rubber Coupling joins 2 pipes made of Sch. 40 PVC, steel or extra-heavy cast-iron material. This coupling connects one 4 in. Sch. 40 PVC, steel or extra-heavy cast-iron pipe to one 3 in. Sch. 40 PVC, steel or extra-heavy cast-iron pipe. This is rated for above ground applications.
- Install using a torque wrench for a water tight seal
- Maximum operating temperature of 180F
- 4.3 PSI maximum test pressure
- Rated for above ground use only
- Neoprene gasket with 300 series stainless steel
- Designed for pipe specific connections