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Tri-Clamp® Style Gasket Sizing Chart

Since the size of the gasket is based on the size of the pipe fitting, it is difficult to determine the size of the gasket based on it's dimensions. The following are nominal dimensions for Standard TC Style Gaskets and are for reference only.

SIZE	I.D.	O.D.
1/2" (Mini-Clamp)	7/16"	7/8"
3/4" (Mini-Clamp)	5/8"	7/8"
1"	7/8"	2"
1-1/2"	1-3/8"	2"
2"	1-7/8"	2-1/2"
2-1/2"	2-3/8"	3"
3"	2-7/8"	3-1/2"
4"	3-7/8"	4-1/2"
6" (Large Clamp)	5-3/4"	6-1/2"
8" (Large Clamp)	7-3/4"	8-1/2"

Tri-Clamp is a registered trademark of The Ladish Company.