User Guide

17
PG-PF 724998 0320 PureFlow System
PureFlow PEX Tubing
Viega PureFlow PEX (cross-linked
polyethylene) is the ideal tubing choice for
potable water systems. In addition, the
smooth walls of Viega PureFlow PEX tubing
are resistant to corrosion and scaling.
Properties and Performance
Linear Expansion Coe󶈷cient:
1.1 inch per 100 feet per 10°F
Temperature and Pressure Ratings:
180°F at 100 psi
73.4°F at 160 psi
UV Resistance:
Maximum exposure 6 months
Chlorine Resistance:
PEX 5306 – end-use condition of 100%
at 140°F (approved for continuous
domestic hot water circulation systems)
Bend Radius:
Viega PureFlow PEX can be easily bent
by hand or with the use of Viega-
approved bend supports (see “Wood
Frame Construction” on page 39)
to a radius as small as 󶈵ve times tubing
outer diameter.
PureFlow PEX Tubing Markings
Viega PureFlow PEX tubing is marked
every 󶈵ve feet with the following
representative information.
Print Line Markings
Length Marker 000 feet
Company Viega
Product Name Viega PureFlow PEX
Nominal Tubing Size ½"
Standard Dimension
Ratio Tube Size
SDR 9 CTS
(copper tube size)
Material Designation Code PEX 5306
Temperature &
Pressure Rating
100 psi @ 180F
160 psi @ 73F
NSF Listing (Potable) cNSF
®
us-pw
NSF Chlorine Listing CL5
ASTM Tubing
Standards
Certi󶈵cation
F876, F877
Canadian Standard
Assoc
CSA B137.5
Fittings System
Compatibility
PureFlow - ASTM
F877, F1807, F2159,
F3347, F3348
IAPMO Listing UPC
®
UL Listing Rating*
cULus 3SAV
UL1821
130 psi @ 120F
Plenum Rating**
FS/SD 25/50
ASTM E84
CAN/ULC S102.2
Fire Resistance
Ratings
CAN/ULC S101
ANSI/UL 263,
UL 2846
ICC Listing ES-PMG
™
- 1038
AWWA Listing C904
HUD Listing MR 1276
Manufacturer’s Date Code 1/1/2010
Material Code X14.2
Country of Manufacture Made in the USA
* ¾" through 2" Black Viega PureFlow PEX only
** 2" and smaller tube sizes when wrapped with
½" - 1" thick E84 rated insulation, ½" and smaller
with no insulation per ULC S102.2 listing. Tubing
may include 󶈵tting connections when wrapped.
Tubing Overview