Smith-Blair 525 Compression Coupling is designed to fit nominal pipe sized half-inch thru two inch. The coupling is designed to join plain end small diameter pipe on new installations and pipe modifications. It can also be used to maintain and repair existing pipe systems.

The Compression Coupling has a temperature range of -20F to 180F and a working pressure up to 150 PSI. It has Nitrile (Buna N) gaskets and a galvanized finish. The 525 compression coupling is designed to fit on steel and PVC.