Alkathene Fittings

Alkathene Fittings

Accessories and fittings for the old black Alkathene LDPE (Low Density Polyethylene) underground pipe.

Pay careful attention to the sizing of Alkathene pipe. The name of the pipe doesn't always match it's actual dimensions, best bet is to have a good look at the pipe, as the size and class is usually marked on it. It also usually is marked "BS 1972"

Half inch alkathene pipe BS1972

The pipe mainly came in two different types, class C and class D, the difference being the thickness of the wall (the more popular class C was thinner).

 

Approximate Alkathene Pipe Sizes
Pipe Class C ID Class C OD Class D ID Class D OD
3/8 inch 12mm 17.5mm   17.5mm
1/2 inch 15.5mm 21.5mm 14.1mm 21.5mm
3/4 inch 19.5mm 26.9mm 17.5mm 26.9mm
1 inch 24.5mm 33.7mm 21.9mm 33.7mm

 









 

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1/2″ Alkathene Olive

1/2″ Alkathene Olive

£1.36

Out of stock

Olive for the old 1/2 inch black Alkathene pipe. Olive measures approx 21.8mm internal diameter. You can usually use this size of olive in a 22mm compression fitting to allow it to accept 1/2 inch Alkathene pipe. Pattern number K1778B …

1/2″ Alkathene Pipe Liner

1/2″ Alkathene Pipe Liner

£3.38

Liner for the old 1/2 inch black Class C Alkathene pipe. Approx 15.4mm diameter (on the long part). Pattern number K1766C

1″ Alkathene Olive

1″ Alkathene Olive

£3.44

Olive for the old 1 inch black Alkathene pipe. Olive measures approx 34mm internal diameter. Pattern number K1778B

1″ Alkathene Pipe Liner

1″ Alkathene Pipe Liner

£4.09

Liner for the old 1 inch class C black Alkathene pipe. Measures approx 24.6mm diameter (on the long part). Pattern number K1766C

3/4″ Alkathene Olive

3/4″ Alkathene Olive

£1.99

Olive for the old 3/4 inch black Alkathene pipe. Measures approx 27mm internal diameter. You can usually use one of these olives in a standard 28mm compression fitting to allow it to accept ¾" Alkathene pipe. Pattern number K1778B …

3/4″ Alkathene Pipe Liner

3/4″ Alkathene Pipe Liner

£3.87

Liner for the old 3/4 inch class C black Alkathene pipe. Measures approx 19.4mm diameter (on the long part). Pattern number K1766C

3/8″ Alkathene Coupler / Connector

3/8″ Alkathene Coupler / Connector

£15.10

3/8 inch Alkathene connector Genuine Kutterlite fitting, with olives. For the old black Alkathene pipe (pipe measures about 17.5mm OD). Don't forget to buy liners to go into the ends of your pipe (available in our store). Pattern number K1710 …

3/8″ Alkathene Olive

3/8″ Alkathene Olive

£0.91

Olive for the old 3/8 inch black Alkathene pipe. Olive measures approx 17.5mm internal diameter. Pattern number K1778B

3/8″ Alkathene Pipe Liner

3/8″ Alkathene Pipe Liner

£1.83

Out of stock

Liner for the old 3/8 inch black Class C Alkathene pipe. Liner measures approx 12mm diameter (on the long part). Pattern number K1766C.

3/8″ Alkathene x 1/2″ Male Coupler

3/8″ Alkathene x 1/2″ Male Coupler

£13.20

3/8 inch black Alkathene pipe one end, 1/2 inch BSP male thread the other (see BSPT link at bottom of page for more info on plumbing thread sizes.). Genuine Kutterlite fitting, with olive. For the old black Alkathene pipe (pipe measures about 17.5mm OD). Don't forget to buy a l…

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