Viegapex Tubing; General; Pex - The Superior Tubing; Colors - Viega PureFlow Installation Manual

3. VIEGAPEX TUBING

3.1 General

ViegaPEX PureFlow tubing is a high-
density cross-linked polyethylene
tubing (PEX). Cross-linking produces
a strong, durable tubing ideal for both
hot and cold potable water systems.

3.2 PEX - the superior tubing

Cross-linked polyethylene is the
ideal tubing choice for potable water
systems. Compared to ordinary
polyethylene tubing (PE), cross-
linked tubing has higher temperature
resistance and higher burst pressure.
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) or
(CL5) applications. ViegaPEX tubing
is rated at 100 psi at 180°F and 160
psi at 73°F.
In addition, the smooth walls of
ViegaPEX tubing are resistant to
corrosion and scaling.

3.3 Colors

ViegaPEX is available in red, white
and blue for easy identification of hot
and cold lines.
3.4 ViegaPEX Properties
and Performance
Linear Expansion Coefficient:
• 1.1 inch per 100 feet per 10°F
Temperature and Pressure Ratings:
• 200°F at 80 psi
• 180°F at 100 psi
• 73.4°F at 160 psi
UV Resistance:
• maximum exposure 60 days
Viega IM-PF 0609
520709
Flexibility:
• ViegaPEX can be easily bent by
hand, or with the use of Viega
approved bend supports to a radius
as small as 5 times tubing
outer diameter.

3.5 Tubing Markings

ViegaPEX tubing is marked
every 2 feet with the following
representative information:
Length Marker*
Company
Product Name
Nominal Tubing Size
Standard Dimension Ratio
Temperature & Pressure Rating
NSF Potable Water Certification
Chlorine Listing
ASTM Tubing Standards Certification
Fitting System Compatibility
IAPMO Listing
Canadian Standard Assoc.
Plenum Rating
ICC — Listing
HUD Listing
Material Designation Code
Manufacturer's Date Code
Manufacturing Code
Country of Manufacture
* 300 ft and larger coils

3.6 ViegaPEX Tubing Dimensions

Nominal Size Inner Diameter
3/8"
1/2"
3/4"
1"

3.7 ViegaPEX Sizes

Nominal Size Available Coil Lengths
3/8" 100, 500, 1000 feet
1/2" 100, 300, 500, 1000 feet
3/4" 100, 300, 500, 1000 feet
1" 100, 500 feet
10
000 Feet
Viega
ViegaPEX™
1/2"
SDR 9
100 psi @ 180°F / 160 psi @ 73°F
NSF-pw
P171 CL-R/CL-TD or CL5
ASTM F876/F877
PureFlow — ASTM F877/F1807/F2159
UPC®
Warnock Hersey (CSA B 137.5)
FS/SD 25/50 ASTM E84
ES - PMG™ — 1038
MR 1276
PEX 5006
1/1/07
B2X14.2
Made in the USA
Outer Diameter
.350 .500
.475 .625
.671 .875
.863 1.125
Available Straight Lengths
20-foot lengths in bundles of 50
20-foot lengths in bundles of 50
20-foot lengths in bundles of 25
20-foot lengths in bundles of 5
Wall Thickness
.075
.075
.102
.131