16mm Inside Diameter x 19mm Outside Diameter 5 Metres Clear PVC Flexible Flexible Vinyl Pipe Water Hose Fish AQAURIUM Pond AIR TUBING Food Grade - PENTECH MOULDING CO LTD - Made in England

Product Information

WRAS Approved– This pipe has been tested and certified with full UNITED KINGDOM ‘WRAS’ approval – a rigorous testing procedure which certificates only the highest quality products as fit for use in UK domestic water applications.

Barbed fittings can be pushed straight in to 16 mm outside diameter LDPE pipe. This is however a lot of pushing and can be made much easier by heating the pipe prior to installation. If you are fitting a few fittings then leaving the pipe in a warm place over night or in the sun during the day will ease installation however if you are fitting a lot of them then you should heat the end of the pipe in some very hot water or heat it using a Blow torch. If you are using a blow torch then position the pipe in the flame so that the heat is evenly spread round the pipe. Hold it in the flame for 2 seconds and then remove it from the flame. Now insert the barbed fitting in to the pipe. The standard barbed fitting is used for connecting 16mm LDPE pipe together. The Fittings are made in the EU using UV stabilised plastic. The sharp barbs make sure that the Joint is reliable and once fitted they are rated to 6 bar unlike normal domestic barbed fittings that are rated to pressures between 2.1 and 2.8 bar. The reason for this superior performance is the and number of barbs and their shape. Once fitted they are almost impossible to remove and if a mistake is made in many cases they have to be cut off. This is because of the size and sharpness of the barb and this can only be made with precise tooling and technical expertise found in European factories. Using Barbed Fittings Although plastic tubing is usually round, some applications require a different shape. We offer a large range of square plastic tubes and also some rectangular plastic tubes. If you require PVC tube that is a different shape, such as oval or triangular, we also manufacture custom plastic extrusions. This would incur tooling costs and is for production runs with an average of 2000 metres, depending on the size of the profile. What can our plastic tubes be used for? There is an important but often misunderstood difference between tube and pipe, which we explain in our blog. The main difference is how the profiles are manufactured and measured. The 5 layer 16mm pert-al-pert pipe is used in all of our warm water underfloor heating kits and offers unrivalled suitability for underfloor heating by combining the best elements of a plastic and metal pipe into one product.

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High temperature resistance- a maximum sustained working temp up to 70°c & maximum transient temperature up to 85°c A good way to explain the difference between rigid PVC and flexible PVC is that rigid PVC tubing is more like a ruler whereas flexible PVC tubing is coiled and can be put around your waist like a belt.

At MKM Extrusions we manufacture as well as supply plastic tubing. We make all our extruded profiles in our UK factory and just sell direct, we don’t have any suppliers or distributors.

16mm Barbed Fittings

The layer construction of our 16mm multilayer pipe makes it highly heat-resistant and split-resistant: it can withstand a broad range of temperatures and pressure of up to 10 bar. However, these layers also make it flexible and easy to cut. Bending it into a shape it ‘remembers’ and cutting it to the correct length is simple. This pipe is also corrosion free, with an aluminium core that prevents the ingress of oxygen. For pipes, the inside diameter (ID) is of primary importance as it defines the capacity of the pipe. Whereas, for tubes the outside diameter (OD) is more important. Due to the manufacturing process, it is very difficult to achieve both a precise ID and OD. Due to the natural flow of the raw material either the ID or the OD can be consistent, but not both. The WRAS approval determines that this product can be used in all UK domestic plumbing applications including drinking water installations – as well as central heating and underfloor heating applications. We offer some sizes in a flexible PVC. Flexible PVC tubing is suitable for internal rather than external applications. Rigid or flexible PVC tubes? Very low expansion and contraction, just 5cm in 100 linear metres which is similar to copper (Ordinary plastic pipe has an expansion/contraction rate of approximately 50cm in 100 linear metres)