Tri-Clamp Unions

Tri-clamp Unions are a very popular hygienic fitting due to providing a smooth, non-contaminating internal pipework joint. They consist of two ferrules which are compressed together using a clamp and a seal between the two ferrules which provides a tight seal. Tri-clamp unions and seals are manufactured to BS 4825 part 3 in either 304 or 316 stainless steel as standard and are easy to remove by hand using the single hinge clamp wing nut.

A range of tri-clamp  unions and seals are available to purchase online by clicking the 'buy online' button above. 

Tri-Clamp Single Hinge (304 Stainless Steel)

Tri-Clamp Single Hinge   Tri-Clamp Single Hinge - Dimensional Drawing
Product
Code
Size
 
A
 
Pressure Rating
at 21°C (PSI)
Pressure Rating
at 121°C (PSI)
CLC054 ½" and ¾" 28.0 1500 1200
CLC104 1" and 1½" 53.6 500 250
CLC204 2" 67.0 450 250
CLC254 2½" 80.6 400 200
CLC304 3" 94.0 350 150
CLC354 3½" 110.0 - -
CLC404 4" 122.0 200 125
CLC504 5" - - -
CLC604 6" 170.4 150 75
CLC804 8" 220.0 - -

Tri-Clamp High Pressure (304 Stainless Steel)

Tri-Clamp High Pressure   Tri-Clamp High Pressure - Dimensional Drawing
Product
Code
Size
 
A
 
Pressure Rating
at 21°C (PSI)
Pressure Rating
at 121°C (PSI)
CLH054 ½" and ¾" 28.0 - -
CLH154 1" and 1½" 52.0 1000 800
CLH204 2" 65.5 1000 800
CLH254 2½" 79.0 1000 800
CLH304 3" 92.5 1000 800
CLH404 4" 120.5 300 200

Tri-Clamp Ferrule (316 Stainless Steel)

Tri-Clamp Ferrule   Tri-Clamp Ferrule - Dimensional Drawing
Product Code Size A B C D
CLF054 ½" 9.5 12.7 25.4 21.5
CLF0754 ¾" 15.8 19.0 25.4 21.5
CLF104 1" 22.2 25.4 50.5 21.5
CLF154 1½" 34.9 38.1 50.5 21.5
CLF204 2" 47.6 50.8 64.0 21.5
CLF254 2½" 60.3 63.5 77.5 21.5
CLF304 3" 73.0 76.2 91.0 21.5
CLF354 3½" 84.7 88.9 106.0 21.5
CLF404 4" 97.6 101.6 119.0 21.5
CLF504 5" 125.0 129.0 144.4 28.6
CLF604 6" 150.0 154.0 166.9 28.6
CLF804 8" 197.6 203.2 217.7 28.6

Tri-Clamp Blank (316 Stainless Steel)

Tri-Clamp Blank   Tri-Clamp Blank - Dimensional Drawing
Product Code Size A B
CLB056 ½" and ¾" 25.4 5.0
CLB106 1" and 1½" 50.5 6.4
CLB206 2" 64.0 6.4
CLB256 2½" 77.5 6.4
CLB306 3" 91.0 6.4
CLB356 3½" 106.0 6.4
CLB406 4" 119.0 6.4
CLB506 5" 144.4 10.0
CLB606 6" 166.9 11.1
CLB806 8" 217.7 11.1

Tri-Clamp Hose Tail with Ferrule (316 Stainless Steel)

Tri-Clamp Hose Tail with Ferrule   
Product Code Size
CLH056 ½"
CLH0756 ¾"
CLH106 1"
CLH156 1½"
CLH206 2"
CLH256 2½" 
CLH306 3"
CLH406 4"
CLH506 5"

Tri-Clamp Seals - Flanged/Lipped

Tri-Clamp Seals are compressed between two ferrules using a clamp which provides a tight seal. The flanged/lipped profile is designed to remain in position without support which eliminates the need for the user to hold the seal in place during connection. This makes the installation process easier. 

Flanged Tri-Clamp Seals 

Tri-Clamp Seals

Tri-Clamp Seals - ½" and ¾" Dimensional Drawing
½" to ¾" Profile
 
Tri-Clamp Seals - 1" - 8" Dimensional Drawing
1" to 8" Profile
 

*Flanged as standard from ½" to 4", please refer to the flanged tri-clamp availability table above for product codes. Unflanged seals from ½" to 4" are available, but may be subject to lead times. Flanged tri-clamp seals are supplied blue as standard. Black available upon request.

May be subject to long lead times, please enquire.

§May be subject to minimum order quantities.

^May be supplied black instead of blue, please note on enquiry if colour is critical.

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