USA-BOPS' Sentinel I Type Ram Rubbers are specifically manufactured to fit Shaffer 7-1/16 x 3M Sentinel blowout preventers. They are available in standard pipe sizes as well as offset and dual offset sizes.

USA-BOPS also provides ram rubbers for the Shaffer Sentinel II Type blowout preventer.

Please take notice that the same part number will apply to both left and right side of the offset ram rubbers.

STANDARD RAM RUBBER				OFFSET RAM RUBBERS
PIPE SIZE	PART NUMBER	TOP SEAL		PIPE SIZE	PART NUMBER	TOP SEAL
CSO	721562	721546		1.315	721678	721727
1.660	721564	721546		1.660	721605	721727
1.900	721565	721546		1.900	721606	721727
2-1/16	721566	721546		2-1/16	721607	721727
2-3/8	721568	721546		2-3/8	721608	721727
2-7/8	721570	721546		2-7/8	721684	721727
3-1/2	721571	721546
4-1/2	721585	721604		DUAL OFFSET RAM RUBBERS
5	721586	721604		2-3/8 x 1.900	721609	721727
5-1/2	721587	721604		2-3/8 x 2-3/8	721610	721727

SHAFFER and SENTINEL are registered trademarks of The Shaffer Company.

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