Tri-Clamp Gaskets

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Sanitary tri-clamp gaskets are used to make a secure, leak-proof connection between clamp fittings.

A variety of materials are available for selection depending upon medium used inline processing. Gaskets range in size from 1/2 inch to 12 inches.  Please see Compound Selection Guide for compatibility information.

Size
(Tube OD)
Material
Buna EPDM Teflon® Viton® Teflon®/EPDM
1/2″ 40MP-.50-BUNA 40MP-.50-EPDM 40MP-.50-TEFLON 40MP-.50-VITON KCG00500TE-EPDM
3/4″ 40MP-.75-BUNA 40MP-.75-EPDM 40MP-.75-TEFLON 40MP-.75-VITON KCG00750TE-EPDM
1″ 40MP-1-BUNA 40MP-1-EPDM 40MP-1-TEFLON 40MP-1-VITON KCG01000TE-EPDM
1-1/2″ 40MP-1.5-BUNA 40MP-1.5-EPDM 40MP-1.5-TEFLON 40MP-1.5-VITON KCG01500TE-EPDM
2″ 40MP-2-BUNA 40MP-2-EPDM 40MP-2-TEFLON 40MP-2-VITON KCG02000TE-EPDM
2-1/2″ 40MP-2.5-BUNA 40MP-2.5-EPDM 40MP-2.5-TEFLON 40MP-2.5-VITON KCG02500TE-EPDM
3 “ 40MP-3-BUNA 40MP-3-EPDM 40MP-3-TEFLON 40MP-3-VITON KCG03000TE-EPDM
4 “ 40MP-4-BUNA 40MP-4-EPDM 40MP-4-TEFLON 40MP-4-VITON KCG04000TE-EPDM
6″ 40MP-6-BUNA 40MP-6-EPDM 40MP-6-TEFLON 40MP-6-VITON KCG06000TE-EPDM
8 “ 40MP-8-BUNA 40MP-8-EPDM N/A N/A KCG08000TE-EPDM

 

Tri-Clamp Gasket Sizes & Dimensions

Tri-Clamp Gasket Dimensions

Sanitary Size A B C D
1/2″ .875 .4375 NA
3/4″ .875 .6250 NA
1″ 1.984″ .900″ 1.718″ 0.203″
1 1/2″ 1.984″ 1.400″ 1.718″ 0.203″
2″ 2.515″ 1.900″ 2.218″ 0.203″
2 1/2″ 3.050″ 2.400″ 2.781″ 0.203″
3″ 3.579″ 2.900″ 3.281″ 0.203″
4″ 4.682″ 3.869″ 4.344″ 0.203″
6″ 6.570″ 5.813″ 6.176″ 0.203″
8″ 8.570″ 7.813″ 8.165″ 0.238″
10″ 10.570″ 9.813″ 10.156″ 0.238″
12″ 12.570″ 11.813″ 12.151″ 0.238″

 

Tri-Clamp Gasket Comparison Guide

Gasket Temperature Range Recommended Usage Not Recommended Industry Certification Approval
Buna (Nitrile) Standard: -35°F to 250°F (-37°C to 121°C) Water, Oils, Fuels Ketones, Strong Acids, Sunlight, Ozone, Weathering Food & Beverage FDA Approved
EPDM (Ethylene Propylene) Standard: -65°F to 300°F (-54°C to 149°C) Sunlight, Weathering, Hot Water, Steam, Select Acids/Bases, Alcohols Oils, Fuels Bio-Pharmaceutical, Food & Beverage, Drinking Water USP Class VI Tested
PTFE (Teflon®) Standard: -250°F to 450°F (-157°C to 232°C) Chemical, Heat, Pressure Applications Stretching, Elasticity Chemical Processing USP Class VI Tested
FKM (Viton®) Standard: -15°F to 437°F (-26°C to 222°C) Vacuum, Most Acids / Chemicals, Oils, Fuels Ketones, Ammonia, Hot Water / Steam Chemical Processing USP Class VI Tested

Watch How to Measure Tri-Clamp Fittings

Tri-Clamp Fittings and Gasket Sizing Guide

Sanitary Fitting Dimensions
Sanitary Size OD of Flange End ID of Tube OD of Tube
1/2″ 0.992 0.370 0.500
3/4″ 0.992 0.620 0.750
1″ 1.984 0.870 1.000
1 1/2″ 1.984 1.370 1.500
2″ 2.516 1.870 2.000
2 1/2″ 3.047 2.370 2.500
3″ 3.579 2.870 3.000
4″ 4.682 3.834 4.000
6″ 6.562 5.782 6.000
8″ 8.602 7.782 8.000
10″ 10.570 9.782 10.000
12″ 12.570 11.760 12.000

Questions and answers of the customers

  1. A The country of origin for our tri-clamp gaskets is the United States. For your reference, the HTS code is 3926.90.4500.
  2. A Yes! Our tri-clamp gaskets are approved by the Food & Drug Administration for use in the production of food, beverage and pharmaceutical industries. We can supply a certificate stating as such upon demand. Additionally, these gaskets are also Class VI tested by USP to be in compliance with their testing criteria. We can also supply a certificate stating as such.

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