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Description
ViegaPEX Barrier tubing is produced from cross-linkable, high density polyethylene resin. ViegaPEX Barrier includes four layers. The first layer is cross-linked, high density polyethylene. The second layer is an adhesive for the third layer, the ethylene vinyl alcohol layer (EVOH oxygen barrier). The fourth layer is another thin layer of polyethylene, applied on the outside to protect the EVOH layer from damage. EVOH is highly resistant to the passage of oxygen.

ViegaPEX Barrier tubing is recommended for hydronic radiant heating, cooling and snow melting systems using water or a water/glycol mix as the heat transfer media. Tubing may be installed in concrete, gypsum based lightweight concrete, sand, asphalt (in accordance with special guidelines) in or under wood flooring or behind wallboard or plaster. ViegaPEX Barrier may also be used as transfer lines for baseboard heating systems with a maximum operating temperature of 200°F @ 80 psi.

Tubing is marked with manufacturer, ViegaPEX Barrier, nominal size, rating, codes and standards, approvals, date, material code and location of production. Tubing is third party tested to the requirements of the stated ASTM and CSA standards. Tubing includes incremental footage markings to assist with loop layout. ViegaPEX is certified to NSF 61 and 14 for use as part of, or connected to a potable water system. ViegaPEX Barrier comes with a 90 day UV protection.
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Specs
Size:
1/2"
Shape:
Coil
Length (Feet):
300'
Tubing Type:
Oxygen Barrier
Material:
PEX
Color:
Black
Application:
Heating
Max Pressure (PSI):
80
Max Temp (F):
200°F
Grade:
PEX-b
Warranty:
10 Year
Standards Met:
ASTM F876
ASTM F877
NSF
Fitting System Compatibility:
Crimp/Clamp (Bluefin)
PEX Compression
Push Fit (Sharkbite)
PEX Press (Viega)
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