Viega ProPress 2981.1ZL Product Instructions

Product Instructions
Viega ProPress Strainer Valve
®
Models 2981.1ZL and 2981.1XL
1 2
6 7 6 8a
9b 9c
EN
Viega ProPress Strainer Valve
Viega products are designed to be installed
by licensed and trained plumbing and
mechanical professionals who are familiar with
Viega products and their installation. Installation by
non-professionals may void Viega LLC's warranty.
DANGER!
Read and understand all instructions for
installing Viega ProPress fittings. Failure
to follow all instructions may result in extensive
property damage, serious injury, or death.
Only valves marked with NSF-61 and NSF-372
are allowed for use in potable water systems.
Install
Cut copper tubing square using displacement-type
1
cutter or fine-toothed saw.
Cut tubing a minimum of 4" away from the contact
2
area of the vise to prevent possible damage to the
tubing in the press area.
Viega LLC
585 Interlocken Blvd.
Broomfield, CO 80021
Phone (800) 976-9819
www.viega.us
3 4
8b 8c
9d 10
Remove burr from inside and outside of tubing
3
and prep to proper insertion depth using a
preparation tool or fine grit sandpaper.
Check the sealing element for correct fit. Do not
4
use oils or lubricants.
Mark proper insertion depth as indicated by the Viega
5
ProPress Insertion Depth Chart. Improper insertion
depth may result in improper seal. It is recommended
that the depth marking be visible on the completed
assembly. Make sure the flow direction indicator on
the valve is facing the correct direction.
Viega ProPress Insertion Depth Chart
Tube Size 1/2" 3/ 4 " 1" 11/4" 11/2"
Insertion
3/ 4 " 7/8" 7/8" 1" 17/16" 19/16" 111/16" 115/16" 23/ 8 "
Depth
Copper tubing must be free of surface
imperfections, including metal stamped print
lines, before a ProPress valve is installed.
Refer to the following chart for minimum distance
6
between fittings. To ensure a correct press, a minimum
distance between press fittings must be maintained.
Failure to provide this distance may result in an
improper seal.
EN
Product Instructions
Viega ProPress Strainer Valve
This document is subject to updates. For the most current Viega
technical literature please visit www.viega.us.
5
8d
11
Tube Diameter (in)
While turning slightly, slide valve onto tubing to the
7
marked depth. End of tubing must contact stop.
Warning!
2" 21/2" 3" 4"
Keep extremities and foreign objects away
from press tool during pressing operation
to prevent injury or incomplete press.
Pressing 1/2" to 2" Valves
Insert appropriate Viega ProPress jaw into the press
8a
tool and push in, holding pin (1) until it locks in place.
Open the jaw and place at right angle on the
8b
valve. Visually check insertion depth using mark
on tubing.
Hold trigger on press tool until press jaws have
8c
fully engaged the valve.
After pressing, open the jaw and remove the press
8d
tool. Repeat steps for the other end of the valve.
PI-PP 531218 0424 ProPress Strainer Valve
6
d
minimum
distance
9a
12
d (in) d (mm)
½ 0
¾ 0
1 0
1¼ 7/16
1½ 5/ 8
2 3/ 4
2½ 5/ 8
3 5/ 8
4 5/ 8
0
0
0
10
15
20
15
15
15