When joining your concrete piping system, protect your investment and your workers with field-proven couplings and gaskets. Allentown provides a wide range of couplings in two basic styles of snap couplings; Hevi-Duty and Grooved. They range in size from 1-1/4 inches to 5 inches (38mm to 127mm). Swivel couplings, specialty couplings, gaskets, and replacement hardware for all couplings are also available.

Specifications
Process Type	Wet

Technical Information
Size	Ends	Complete Part #	Gasket Only Part #	Safety Pin Part #
1-1/2" (38mm)	HD	23-730	23-731	23-235
2" (51mm)	HD	23-138	23-139	23-235
2-1/2" (64mm)	HD	23-195	23-196	23-236
3" (76mm)	HD	23-140	23-141	23-236
4" (102mm)	HD	23-142	23-143	23-236
5" (127mm)	HD	23-144	23-145	23-236
1-1/4" (32mm)	GR	23-322	23-323	23-235
1-1/2" (38mm)	GR	23-126	23-127	23-235
2" (51mm)	GR	23-128	23-129	23-235
2-1/2" (64mm)	GR	23-136	23-137	23-235
3" (76mm)	GR	23-631	23-632	23-235
4" (102mm)	GR	23-625	23-626	23-236