Specification

Conbraco Industries, Inc.
Matthews, NC 28105
1.888.229.2874
www.apolloflow.com
SUBMITTAL SHEET
PEX
PEX-B Pipe
PEX
PEX tubing is cross-linked, high-density polyethylene. Its available in white, red, or blue
colors for easy identification of hot and cold water lines.
The silane method, also called the moisture cure” method, results in PEX-B. In this method,
cross-linking is performed in a secondary post-extrusion process, producing cross-links
between a cross-linking agent. The process is accelerated with heat and moisture. The
cross-linked bonds are formed through silanol condensation between two grafted
vinyltrimethoxysilane (VTMS) units, connecting the polyethylene chains with C-C-Si-O-Si-
C-C bridges.
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PEX tubing is for use in hot and cold potable water distribution systems as well as hydronic
radiant heating systems. PEX tubing can also be used in continuously recirculating”
plumbing systems up to 140° F while maintaining chlorine resistance. The tubing may be
installed in concrete, gypsum based lightweight concrete, sand, asphalt, in or under wood
flooring, or behind wallboard or plaster.
Features:
• Tough
• Flexible
• Less expensive than other plumbing materials
• Copper tube size dimensions (CTS)
• Available in white, red, or blue
Standards / Certifications:
• PEX 5006 - SDR 9 • Meets ASTM F876/F877
• cNSFus-pw/rfh • ANSI/NSF Standards 61 & 14
• cUPC • CSA B137.5
Pressure & Temperature:
• 160 psi @ 73° F, 100 psi @ 180° F
Installation:
To cut PEX tubing, use a PEX tubing cutter and cut at a 90° angle. Clear the cut end of any
burrs or debris. PEX tubing can be run through holes drilled into the center of studs or by
using straps and hangers. Bend supports can be used to make bends and angles instead of
having to cut the tubing and use fittings. A variety of barb fittings or push type fittings can
be used with PEX tubing. Do not expose PEX tubing to direct sunlight.
It is recommended to insulate hot water lines with standard foam polyethylene pipe
insulation to prevent heat loss. If installing in an area that experiences harsh winters, its
recommended to insulate both hot and cold water lines to prevent freezing.
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http://en.wikipedia.org/wiki/Cross-linked_polyethylene
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