Intrico Products Ltd.

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'Ear' Clamps

'Ear' clamps offer a versatile, low cost and rapid solution to clamping fittings into low pressure assemblies. 'Ear' Clamps are available as double or single ear varieties.

Double Ear Clamps

Clamp size Hose OD
in mm
Part Number
1/4" 5 - 7 Z07
5/16" 7 - 9 Z09
3/8" 8 - 11 Z11
7/16" 9 - 12 Z12
1/2" 11 - 13 Z13
9/16" 13 - 15 Z15
19/32" 15 - 17 Z17
5/8" 15 - 18 Z18
3/4" 17 - 20 Z20
7/8" 20 - 23 Z23
1" 23 - 26 Z26


Single Ear Clamps

Clamp size Hose OD
in mm
Part Number
5/16" 7.5 - 8.5 Z8.5SE
3/8" 8.5 - 10 Z10SE
7/16" 10 - 11 Z11SE
1/2" 10 - 12 Z12SE

'Ear' clamps are manufactured in steel. They are supplied free from burrs, sharp edges or other faults which could damage the hose.

They are zinc plated for corrosion resistance.

Double and single 'Ear' clamps are permanent and tamper proof. They have to be destroyed to be removed.

Selecting the correct size 'Ear' clamps is critical to their performance. The inside diameter of the clamp should be approximately 0.5mm larger than the overall diameter of the hose plus fitting in order to obtain maximum joint efficiency.

To achieve the correct results, as shown above, it is recommended that pincers rather than ordinary pliers are used.

Purpose made Closing Pincers with induction hardened jaws are available from Intrico.


Product also Known As: O Clips

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