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Seals

Integraflow offers a wide selection of Tri Clamp seals designed for hygienic process systems in food, beverage, dairy, and pharmaceutical environments. These seals ensure leak-free performance and hygienic integrity in Tri Clamp (Tri Clover) pipework connections.

Available in a variety of materials to suit different chemical and temperature requirements:

EPDM Seals – general-purpose seals with excellent resistance to steam and CIP/SIP cleaning agents
Silicone Seals – highly flexible and suitable for extreme temperature applications
PTFE (Teflon) Seals – chemically resistant and non-stick, ideal for aggressive media
Viton Seals – resistant to oils, solvents, and high temperatures

All Tri Clamp gaskets are compatible with standard ferrules and fittings per BS4825, DIN, and ISO specifications. Sizes range from DN10 (1/2”) up to DN150 (6”), with imperial OD equivalents available from 1” to 4”.

Seals are available in both standard and envelope types, with pressure-rated and FDA/USP Class VI certified options. All products are traceable and suitable for use in SIP and CIP systems.

Fast UK-wide delivery from Integraflow — your trusted hygienic pipework supplier.

[SS-TRI-SEA-12.7-EPD] 0.50" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

0.50" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 1/2" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£1.05 each

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[SS-TRI-SEA-12.7-VIT] 0.50" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

0.50" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 1/2" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£14.35 each

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[SS-TRI-SEA-12.7-PTFE] 0.50" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

0.50" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 1/2" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£11.34 each

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[SS-TRI-SEA-19.05-EPD] 0.75" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

0.75" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 3/4" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£1.05 each

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[SS-TRI-SEA-19.05-VIT] 0.75" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

0.75" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 3/4" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£15.19 each

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[SS-TRI-SEA-19.05-PTFE] 0.75" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

0.75" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 3/4" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£11.34 each

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[SS-TRI-SEA-25.4-EPD] 1.00" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

1.00" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 1" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£1.26 each

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[SS-TRI-SEA-25.4-VIT] 1.00" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

1.00" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 1" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£15.96 each

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[SS-TRI-SEA-25.4-PTFE] 1.00" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

1.00" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 1" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£12.67 each

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[SS-TRI-SEA-38.1-EPD] 1.50" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

1.50" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 1.1/2" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£13.30 each

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[SS-TRI-SEA-38.1-VIT] 1.50" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

1.50" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 1.1/2" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£17.01 each

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[SS-TRI-SEA-38.1-PTFE] 1.50" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

1.50" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 1.1/2" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£13.30 each

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[SS-TRI-SEA-50.8-EPD] 2.00" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

2.00" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 2" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£1.54 each

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[SS-TRI-SEA-50.8-VIT] 2.00" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

2.00" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 2" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£17.57 each

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[SS-TRI-SEA-50.8-PTFE] 2.00" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

2.00" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 2" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£14.63 each

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[SS-TRI-SEA-63.5-EPD] 2.50" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

2.50" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 2.1/2" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£1.75 each

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[SS-TRI-SEA-63.5-VIT] 2.50" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

2.50" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 2.1/2" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£21.28 each

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[SS-TRI-SEA-63.5-PTFE] 2.50" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

2.50" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 2.1/2" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£18.62 each

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[SS-TRI-SEA-76.2-EPD] 3.00" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

3.00" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 3" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£2.10 each

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[SS-TRI-SEA-76.2-VIT] 3.00" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

3.00" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 3" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£22.61 each

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[SS-TRI-SEA-76.2-PTFE] 3.00" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

3.00" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 3" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£21.28 each

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[SS-TRI-SEA-101.6-EPD] 4.00" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

4.00" OD CLAMP BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 4" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£5.25 each

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[SS-TRI-SEA-101.6-VIT] 4.00" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

4.00" OD CLAMP GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 4" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£43.89 each

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[SS-TRI-SEA-101.6-PTFE] 4.00" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

4.00" OD CLAMP WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 4" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£31.92 each

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[SS-TRI-SEA-152.4-EPD] 6" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

6" OD CLAMP UNION BLUE EPDM O RING (CLAMP PART 3 OF 3)

Suits a 6" Universal Clamp Union
Material: EPDM
Colour: Blue
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£10.50 each

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[SS-TRI-SEA-152.4-VIT] 6" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

6" OD CLAMP UNION GREEN VITON O RING (CLAMP PART 3 OF 3)

Suits a 6" Universal Clamp Union
Material: Viton
Colour: Green
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£69.16 each

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[SS-TRI-SEA-152.4-PTFE] 6" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

6" OD CLAMP UNION WHITE PTFE O RING (CLAMP PART 3 OF 3)

Suits a 6" Universal Clamp Union
Material: PTFE
Colour: White
Universal Clamp Union: Part 4 of 4

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
Seals, O Rings, Gasket, O-Ring

£146.30 each

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