ViegaPEX Barrier, a cross-linked polyethylene (PEX) tubing, is for use in hydronic heating and cooling systems, Coil, PEX
ViegaPEX Barrier includes an oxygen barrier layer that helps restrict the passage of oxygen through the wall of the tubing, ViegaPEX Barrier tubing is recommended for use with PEX press fittings
Can be easily identified by its black color and red stripe, Has a bend radius of 8x O.D.
Has a UV exposure rate of six months
An uncoiler is typically used with ViegaPEX Barrier tubing to keep the tubing manageable and easy to use
A PEX tubing cutter must be used to cut ViegaPEX Barrier tubing as it makes a straight, clean, burr-free cut
For use with heating and cooling applications at ratings of 73.4 F @ 160 psi, 180 F @ 100 psi and 200 F @ 80 psi
Has four layers: a layer of PEX, a layer of adhesive, a layer of ethylene vinyl alcohol (EVOH [which limits oxygen permeation]) and an outer layer of polyethylene