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Give us a call at 800.654.5635 to learn more about our products and services or to have a CSI engineer assist you in determining the best solution for your application. If you have any questions, you may also contact us by e-mail. For technical assistance, you can e-mail us at TechAssist at CSI.

Tri-Clamp Clamp (304 Stainless Steel)
Size (Tube OD) Part Number A
1/2 13MHHS-0.75-S 1 1/8
3/4 13MHHS-0.75-S 1 1/8
1 13MHHM-1.5-S 2 1/8
1 1/2 13MHHM-1.5-S 2 1/8
2 13MHHM-2-S 2 21/23
3 13MHHM-3-S 3 23/32
4 13MHHM-4-S 4 53/64

16AMP-Size-AL6XN Solid End Cap
Size (Tube OD) A
1 1/2 1/4
2 1/4
3 1/4

Gaskets for Standard Tri-Clamp
Material 1/2 3/4 1 1 1/2 2 3 4
40MP-U (Buna)

X X X X X
42MP-U (Buna) X X




40MP-X (Silicone)

X X X X X
42MP-X (Silicone) X X




40MP-E (EPDM)

X X X X X
42MP-E (EPDM) X X




40MP-G (PTFE)

X X X X X
42MP-G (PTFE) X X




40MP-SFY (Viton)

X X X X X
42MP-SFY (Viton) X X




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