Coupler Compression 4 Bolt

Coupler Compression 4 Bolt



Compression couplers are used on every pneumatic or air system in the grain industry. These couplers have 4-Bolts/ Nuts, a rubber gasket, and a metal insert to protect the gasket.

These 4-Bolt Air System Compresion Couplers also call air couplers or air pipe clamps are used on everybrand of air system for grain. These couplers connect air pipe to air pipe, or accessories like elbows, sight glasses and deadheads to air tubing.  4-Bolt Couplers are used for 4" or 5" Systems.  If you have a 6" system, see our 5-Bolt Compression Couplers.


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