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1 Ιαν 2021 · Freezing. However, Uponor PEX pipes, like all water filled pipes, must be protected against freezing. The material is elastic and can normally tolerate freezing. In the event of freezing, the pipe expands, but returns to its original shape once the ice plug melts. Repeated freezing weakens the pipe.
RAUPEX pipe is manufactured using the peroxide method (PEXa), which yields the highest, most consistent level of crosslinking. PEXa technology enhances flexibility and thermal memory, providing ease of handling and kink repair compared to PEXb and PEXc. PEXa has distinct advantages over metal and other polymer pipes:
WHAT IS ZURN PEX? Zurn PEX: is a flexible pipe for hot and cold water plumbing applications. is listed by NSF as safe for use with drinking water, meets or exceeds the requirements of ASTM F877.
Standard Specifications for Fittings ..... 32 ASTM F877: Standard Specification for Cross-Linked
There are several key points that must be addressed when installing Zurn PEX tubing in a commercial plumbing system. This section will discuss these points, which will include supporting Zurn PEX tubing, penetrating metal studs, tubing expansion and contraction, bending Zurn PEX, and insulation. Note: This section lists only certain items
Freezing. However, Uponor PEX pipes, like all water filled pipes, must be protected against freezing. The material is elastic and can normally tolerate freezing. In the event of freezing, the pipe expands, but returns to its original shape once the ice plug melts. Repeated freezing weakens the pipe.
Uponor AquaPEX piping meets the requirements of the ANSI/AWWA Standard C904, Crosslinked Polyethylene (PEX) 1⁄2 inch (12mm) through 3 inches (76mm) for Water Service. Refer to the ANSI/AWWA Standard for information regarding the selection, use and proper application of PEX piping in water service.
