U S BRASS CORP/ZURN-QEST #QB3PS5X 1/2CTSx5' Poly. 1/2" Copper Tube Size x 5' Cross Link Polyethlene PEX Pipe, 5/8" Outer Diameter, Manufactured To ASTM F-877F. PEX - AL - PEX pipe for hot water b) PE - AL - PE pipe for cold water c) Size: 1216, 2026, 1620, 2632. Low flowing resistance inside the pipe, scaling can rarely happen. The fluids cannot be contaminated. Effective diameters are big
Oxygen is 100% isolated and infiltration is thoroughly prevented. In case they are used as shielding materials for telecommunication circuit, magnetic interference can be prevented . Anti-static, and suitable for gas and fuel transportation. Can be bended or straightened without restriction. With available Non-toxic, anti-corrosive
Light weight, strong mechanical properties and thermal-resistant ability. Low fragile humidity and long using life.

3/8" X 300' PEX connection radiant heating PEX pipe with oxygen barrier. For use in radiant floor heating systems. Conforms to performance specifications for appropriate working pressures. Approved by National Sanitation Foundation for drinking water use. Made of black. PEX pipe available. Polyethylene aluminum Polyethylene (PE - AL - ) and cross - linked polyethylene aluminum cross - linked polyethylene (PEX - AL - ) composite pressure pipes: overlap - welded and butt - welded. Forged brass compressing fittings especially for aluminum plastic (PE - AL - PE and PEX - AL - ) pipe. Sizes. Pipes: 16 x 2mm, 20 x 2mm, 18 x 2mm, 25 x 2.5mm, 26 x 3mm, 32 x 3mm. Fittings: 16mm to 32mm. Standards of products: 1) Chinese trade standard: CJ / T108, CJ / T159, CJ / T111. American standard: ASTM F1335, ASTM F1281, ASTM F1282.