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Description  - Triclover fitting (also known as Triclamp or Clamp Pipe fittings) integral PTFE lined and hot formed.  Hot formed design patented in Europe by Aflex Hose Limited.

Specifications  - Generally in accordance with BS4825: Pt 3, ISO 2852 or DIN 32676.

Materials  - Spigots Grade 316 SS, Ferrule Grade 304 SS.

Size of Triclover Fittings  - BS4825 and DIN32676 are the popular, listed specifications.  Both specify the same range of flange diameters and groove dimension, but specify different nominal sizes for the attached pipes or hoses.

To avoid confusion, it is therefore important to clearly identify the following.

  • What Flange Diameter is Required?
  • What Hose or Pipe Size is Required?
  • Is the listed Outlet Diameter acceptable?  (if not, consult Aflex Hose)

Maximum Working Pressure  - All sizes 16 Bar  (Test Pressure = 24 Bar)

Standard Range - BS 4825 Pt 3 Range

Nominal Hose
Size		 Nominal
Pipe Size		 Pipe I/D Fitting O/D Flange Diameter Length of Fitting
in mm in mm in mm in mm in mm
1/2 15 1/2 12.7 3/8 9.5 3/8 9.5 25.4* 50
1 25 1 25.4 7/8 22.2 7/8 22.2 50.5 60
1 1/2 40 1 1/2 38.1 1 3/8 34.9 1 3/8 34.9 50.5 63
2 50 2 50.8 1 7/8 47.6 1 7/8 47.6 64 66
2 1/2 65 2 1/2 63.4 2 3/8 60.3 2 3/8 60.3 77.5 82
3 80 3 76.1 2 7/8 73.0 2 7/8 73.0 91.0 82

* A special, non standard size, not specified in ISO 2852 or BS4825

DIN 32676 Range

Nominal Hose
Size		 Nominal
Pipe Size		 Pipe I/D Fitting O/D Flange Diameter Length of Fitting
in mm mm mm mm mm mm
3/4 20 DN20 20.0 18.0 34 50
1 25 DN25 26.0 22.2 50.5 60
1 1/4 32 DN32 32.0 28.0 50.5 63
1 1/2 40 DN40 38.0 34.9 50.5 63
2 50 DN50 50.0 47.6 64 66

Non Lined Triclover Fittings 

Non lined Triclover Fittings are also available, manufactured in the same material to the same specifications as the lined Triclover Fittings.

Available with Polished or Electro-polished bore to Customers' requirements.  Step Up or Step Down sizes are also available to special order.

Unit of Measure