Install Instructions

Viega IM-MTL 0612
724607
4
1. SYSTEM DESCRIPTION
1.1 Viega Metal Systems
General
Viega Metal Systems is the state-of-
the-art press fitting system that provides
an economical and reliable installation
of metal tubing for the commercial,
industrial and marine markets.
The Systems
Our products are the result of decades
of experience in manufacturing fittings.
Viega Metal Systems are offered in the
following configurations:
ProPress: Copper and Zero Lead
Bronze Alloy fittings in inch copper tube
size (CTS) with Smart Connect
®
feature.
ProPressG: Copper and Copper Alloy
fittings for use with fuel gas in inch
copper tube size (CTS) with the Smart
Connect feature.
ProPress Stainless: 304 and 316
Stainless steel pipe and fittings in inch
tube size with Smart Connect feature.
Seapress: Copper Nickel (CuNiFe)
fittings in metric sizes.
Sanpress INOX: 316 stainless steel
pipe and fittings in metric sizes with the
Smart Connect feature.
ProfiPress: Copper and Copper Alloy
fittings in metric sizes with the Smart
Connect feature.
Smart Connect Feature
Viega Metal System fittings have a
Smart Connect feature on all products
except Seapress.
By means of the Smart Connect
feature on Viega Metal Systems fittings,
an unpressed connection can be
recognized by escaping water, or by a
drop in pressure, when testing
the system.
Fitting connections without the Smart
Connect feature may not leak initially;
however, later they can unseat during
system operations. When the fitting is
pressed, the Smart Connect feature is
reformed and a permanent, sealed,
non-detachable, mechanical
connection is created.
Other systems without the Smart
Connect feature may not leak initially;
however, later they can unseat in future
system operations. The Smart Connect
feature is designed to protect from the
potential risk of unpressed fittings.
Press fittings require no soldering or
welding, and thus no fire hazard, which
is particularly important in restoration
or retrofit work. The press fittings are
installed with the system pressing tools
(a battery powered or corded
pressing tool).
Grip Ring
Viega 2-1/2" - 4" fittings feature an
EPDM sealing element, stainless steel
grip ring and PBT separator ring as
shown in Figure 1.1 (ProPress XL
Bronze fittings do not require a PBT
separator ring).
The grip ring comes standard in all
fitting 2-1/2" – 4" and 76mm – 108mm.
The grip ring is a stainless steel ring
with teeth, which grips the tube or pipe
and ensures that the fitting is locked
securely to the tubing.
The PBT (Polybutylene Terephthalate)
separator ring ensures that the sealing
element and grip ring perform at a
maximum capacity by providing a
positive physical separation.
Appropriate clamping jaws and
actuator rings are available for various
dimensions. The constant compression
always produces a positive, non-
detachable, mechanical joint which
ensures a permanent connection.
1.2 Special Features
ProPress Copper and Copper Alloy
fittings contain 0% lead in accordance
with California AB 1953, Vermont Act 193
and NSF 61 Annex G. Fast and easy;
one squeeze of the trigger makes
the connection on any size tube or pipe
in four to seven seconds.
Flameless
No flame is required to make the
connection. This eliminates noxious
fumes, the need for a hot work permit
and a fire watch.
Versatility
Viega Metal Systems can be used
virtually anywhere – in industrial, marine,
commercial and residential applications,
for both new installations and
retrofit work.
Permanent Watertight Seal
The system provides a strong, reliable,
watertight seal. The high strength
connection, installed properly, will last for
the life of the system.
Wide Capacity
Viega Metal Systems are designed to
handle tube and pipe systems, ranging in
sizes from 1/2" to 4" in (15 mm –
108 mm) diameter. You can easily
switch from one size to another
simply by changing the jaws or rings
of the press tool.
Sealing
Element
Stainles Steel
Grip Ring
PBT
Separator
Ring
Feature 1.1