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Rifeng, the largest manufacturer of plastic piping in the world, has created oxygen barrier PEX tubing for radiant and hydronic heating systems. Oxygen barrier PEX tubing has the same properties as non-barrier PEX pipes, but it prevents oxygen and other elements from infiltrating and damaging delicate heating system components. For example, it keeps boilers from rusting. This tubing can be installed in a variety of ways, such as using the crimp, clamp, or fitting systems.
Mr. PEX is a PEX-a grade tubing with an oxygen barrier for radiant heat and snow melt systems. The flexibility and strength make this tubing easy to work with, and it meets NSF standards. Furthermore, this tubing can be installed in a variety of ways, such as using the crimp, clamp, press, or expander systems.
hePEX Barrier Tubing is PEX-a Tubing with an Oxygen Barrier for Radiant Heat. hePEX is manufactured by Uponor Wirsbo. This PEX tubing is designed for Radiant Heat and Snow Melt Applications. hePEX PEX Tubing meets ASTM F876 & F 877. It is rated by the PPI : 200°F at 80 psi, 180°F at 100 psi, and 73.4°F at 160 psi. The oxygen diffusion barrier meets DIN 4726.
This category contains PEX-Aluminum-PEX (PEX-AL-PEX) tubing manufactured by Rifeng. Tubing is available in several sizes and lengths.
Wirsbo Multicor PEX-al-PEX is a multi-layered composite tubing consisting of an interior aluminum tubing lined with inner and outer layers of PEX. Multicor PEX-al-PEX offers 100% Oxygen diffusion and can be embedded in concrete or installed in wall, floors, and ceilings. The aluminum layer in the PEX-al-PEX is what creates the oxygen barrier. Perhaps the best quality of PEX-al-PEX Tubing is its thermal memory. Once the tubing is shaped a certain way, it will hold that shape. Multicor PEX-al-PEX PEX Pipe meets ASTM 1281 and is certified by the NSF. It is rated by the PPI : 200°F at 100 psi, 180°F at 125 psi, and 73.4°F at 200 psi.
Rifeng PEX pipe is produced with crosslinked polyethylene. Crosslinking is obtained through a chemical process that increases the bonds between macromolecules to form a more complex structure than the normal polyethylene. Due to the crosslinking, the polyethylene's performance is greatly enhanced still maintaining the excellent properties of thermoplastics.
Aquapex is the leading brand of potable water (Hot/cold) PEX Tubing. This brand of PEX Tubing is manufactured by Uponor Wirsbo. Aquapex may be used in radiant heat applications where there are no ferrous (metal/iron) components. However Wirsbo Aquapex is more commonly used for PEX Plumbing applications. Aquapex meets ASTM F876 and F877, and is certified to NSF standards 14 and 61. It is rated by the PPI : 200°F at 80 psi, 180°F at 100 psi, and 73.4°F at 160 psi. Aquapex Tubing comes in white, red, and blue. The tubing is exactly the same just color coated for installation purposes (hot and cold lines).
ViegaPEX Tubing is manufactured to ASTM F876/F877 standards and listed to ANSI/NSF Standards 14 and 61. It is chlorine resistance rated for both traditional (CL-TD) and continuous recirculation (CL-R) applications. ViegaPEX was formerly known as Vanguard PEX tubing. ViegaPEX Tubing is rated at 100 psi and 180 degrees F and 160 psi at 73 degrees F and is available in red, blue, and white.
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