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Integraflow Store 

Unions

Integraflow offers a complete range of hygienic stainless steel unions in imperial sizes, designed for clean process installations in the food, dairy, brewery, beverage, pharmaceutical, and cosmetic industries. All union types are manufactured from 316L stainless steel and designed to provide a secure, hygienic connection that can be disassembled for cleaning or maintenance.

We stock the following union types:

  • RJT (Ring Joint Type) — British standard hygienic union commonly used in the UK food and dairy industries. Consists of a nut, liner, male part, and hygienic seal.

  • Tri Clamp (Triclamp) — Quick-release clamp union with a gasket and clamp ring. Ideal for clean, tool-free assembly and disassembly. Compatible with BS 4825 Part 3 and ASME BPE.

  • SMS (Swedish Milk Standard) — Smooth-bore union with a compact design, widely used in Europe for dairy and beverage applications.

  • DIN Unions — Metric unions to DIN 11851 standard, used widely across European process plants. Suitable for metric pipe systems.

  • IDF (International Dairy Federation) — Similar to RJT but with a flush internal bore for improved flow and cleanability. Common in dairy and pharmaceutical setups.

All hygienic unions are:

  • CIP and SIP compatible

  • Available in 1” to 4” OD imperial sizes

  • Supplied with seals and full traceability

  • Manufactured to ensure smooth, crevice-free joints and ease of disassembly

Fast UK-wide supply available from Integraflow, with gaskets and replacement parts also stocked.

DN10 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN10 DIN Union
Material: Stainless
Grade: 304

Applications: Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 13.02 13.02 GBP
DN15 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN15 DIN Union
Material: Stainless
Grade: 304

Applications: Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 13.30 13.3 GBP
DN20 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN20 DIN Union
Material: Stainless
Grade: 304

Applications: Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 14.63 14.63 GBP
DN25 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN25 DIN Union
Material: Stainless
Grade: 304

Applications: Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 13.65 13.65 GBP
DN25 DIN UNION WELD LINER SS 316 (DIN PART 3 OF 4)
Suits a DN25 DIN Union
Material: Stainless
Grade: 316

Applications: Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 13.93 13.93 GBP
DN32 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN32 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 20.65 20.65 GBP
DN32 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN32 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 25.62 25.62 GBP
DN40 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN40 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 17.50 17.5 GBP
DN40 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN40 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 17.29 17.29 GBP
DN50 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN50 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 20.65 20.65 GBP
DN50 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN50 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 21.28 21.28 GBP
DN65 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits DN65 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 30.80 30.8 GBP
DN65 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits DN65 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 39.90 39.9 GBP
DN75 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN75 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 182.21 182.21 GBP
DN80 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN80 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 44.10 44.1 GBP
DN80 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN80 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 42.56 42.56 GBP
154mm OD METRIC DIN WELD LINER SS 304 (DIN PART 3 OF 4)
Suits a DN154 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 138.32 138.32 GBP
DN100 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN100 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 45.50 45.5 GBP
DN100 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN100 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 62.93 62.93 GBP
DN125 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN125 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 122.36 122.36 GBP
DN125 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN125 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 91.14 91.14 GBP
DN150 DIN UNION NUT SS 304 (DIN PART 1 OF 4)
Suits a DN150 DIN Union
Material: Stainless
Grade: 304

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 170.94 170.94 GBP
DN150 DIN UNION WELD LINER SS 316 (DIN PART 1 OF 4)
Suits a DN150 DIN Union
Material: Stainless
Grade: 316

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 138.32 138.32 GBP
0.50" & 0.75" OD (1/2" & 3/4" OD) HEAVY DUTY TRI CLAMP SS 304 (TRI-CLAMP PART 2 OF 3)
Stainless 304
Heavy Duty Construction
Hygienic BS4825
Part 2 of 3 of the Tri Clamp Union
£ 13.65 13.65 GBP
0.50" & 0.75" OD (1/2" & 3/4" OD) HIGH PRESSURE TRI CLAMP SS 304 (TRI-CLAMP PART 2 OF 3)
Stainless 304
Double Bolted High Pressure Construction
Hygienic BS4825
Part 2 of 3 of the Tri Clamp Union

Standards:
Hygienic, Dairy & Sanitary
£ 34.30 34.3 GBP
0.50" OD CLAMP UNION BLANK SS 316
Suits a 1/2" Universal Clamp Union
Material: Stainless 316


Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 6.65 6.65 GBP
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 1.05 GBP
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 14.35 GBP
0.50" OD CLAMP UNION WELD FERRULE SS 316 (21.5MM LONG) (CLAMP UNION PART 1 OF 3)
Suits a 1/2" Universal Clamp Union
Material: Stainless 316
Universal Clamp Union: Part 1 of 3

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 8.05 8.05 GBP
0.50" OD CLAMP UNION WELD FERRULE SS 316 (28MM LONG) (CLAMP UNION PART 1 OF 3)
Suits a 1/2" Universal Clamp Union
Material: Stainless 316
Universal Clamp Union: Part 1 of 3

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 25.27 25.27 GBP
0.50" OD CLAMP UNION WELD FERRULE SS 316 (44.5MM LONG) (CLAMP UNION PART 1 OF 3)
Suits a 1/2" Universal Clamp Union
Material: Stainless 316
Universal Clamp Union: Part 1 of 3

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 51.87 51.87 GBP
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 11.34 GBP
0.75" OD CLAMP UNION BLANK SS 316
Suits a 3/4" Universal Clamp Union
Material: Stainless 316


Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 6.65 6.65 GBP
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 1.05 GBP
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 15.19 GBP
0.75" OD CLAMP UNION WELD FERRULE SS 316 (21.5MM LONG) (CLAMP UNION PART 1 OF 3)
Suits a 3/4" Universal Clamp Union
Material: Stainless 316
Universal Clamp Union: Part 1 of 3

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 8.75 8.75 GBP
0.75" OD CLAMP UNION WELD FERRULE SS 316 (28MM LONG) (CLAMP UNION PART 1 OF 3)
Suits a 3/4" Universal Clamp Union
Material: Stainless 316
Universal Clamp Union: Part 1 of 3

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 26.60 26.6 GBP
0.75" OD CLAMP UNION WELD FERRULE SS 316 (44.5MM LONG) (CLAMP UNION PART 1 OF 3)
Suits a 3/4" Universal Clamp Union
Material: Stainless 316
Universal Clamp Union: Part 1 of 3

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.
£ 53.20 53.2 GBP
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 11.34 GBP
1.00" & 1.50" OD HEAVY DUTY TRI CLAMP SS 304 (TRI-CLAMP PART 2 OF 3)
Stainless 304
Heavy Duty Construction
Hygienic BS4825
Part 2 of 3 of the Tri Clamp Union

Standards:
Hygienic, Dairy & Sanitary
£ 16.10 16.1 GBP