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OXYPEX Oxygen Barrier Pipe for Radiant Heating

Roll Length

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OXYPEX Radiant Heating Pipe


BOW OXYPEX tubing is designed specifically for hydronic heating and hydronic radiant closed loop heating applications. This tubing has an oxygen outer barrier liner which makes it ideal for hydronic and radiant floor heating applications.

The function of the outer liner is to limit the oxygen permeation rate through the pipe wall. Oxypex tubing can also be used in snow melting applications. This tubing Complies with DIN 4726 as endorsed by the Hydronics Institute. Oxypex is made to CTS (Copper Tube Size) outside dimensions and an SDR (Standard Dimension Ratio) of 9 and is available in the following nominal sizes: 3/8", 1/2", 5/8" 3/4" and 1". It is available in coils up to 1200' long which are “footmarked”.

Technical Data


Cross-Linked polyethylene, PEX Silane Method, EVOH Oxygen Barrier.

Continuous working pressure:

690 kPa (100 PSI) @ 82ºC (180º F), 1105 kPa (160 PSI) @ 23ºC ( 73º F).


ASTM F876; ASTM F877; CSA B137.5; DIN 4726. Compatible fittings: ASTM F1807; ASTM F2159


PDF Icon PEX Installation Manual