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104 Series High Capacity Potable Water Pressure Relief Valves

The 104 Series is a high capacity range of pressure relief valves designed to protect an unvented system from overpressurisation. The valves are pre-set and locked to a particular pressure, so if the system exceeds this pressure the valve will lift off the seat and water will discharge from the valve, to waste.

The outlet connection is one size larger than the inlet to guarantee the valve will be able to cope with a high capacity discharge. This is the first safety device in line within an unvented system. These valves are available in many different pressures ranging from 3.5 – 8 bar and in multiple connection sizes to allow for a flexible installation.

wras certified

Product Information

Product
Pressure (bar)
Size
Code
104 Series Pressure Relief Valve
3.5
1/2" x 3/4" x FBSP x FBSP
PREL104040
104 Series Pressure Relief Valve
5.0
1/2" x 3/4" x FBSP x FBSP
PREL104041
104 Series Pressure Relief Valve
6.0
1/2" x 3/4" x FBSP x FBSP
PREL104008
104 Series Pressure Relief Valve
8.0
1/2" x 3/4" x FBSP x FBSP
PREL104006
104 Series Pressure Relief Valve
3.5
3/4" x 1" x FBSP x FBSP
PREL104042
104 Series Pressure Relief Valve
5.0
3/4" x 1" x FBSP x FBSP
PREL104014
104 Series Pressure Relief Valve
6.0
3/4" x 1" x FBSP x FBSP
PREL104010
104 Series Pressure Relief Valve
8.0
3/4" x 1" x FBSP x FBSP
PREL104016
104 Series Pressure Relief Valve
3.5
1" x 1 1/4" x FBSP x FBSP
PREL104043
104 Series Pressure Relief Valve
5.0
1" x 1 1/4" x FBSP x FBSP
PREL104001
104 Series Pressure Relief Valve
6.0
1" x 1 1/4" x FBSP x FBSP
PREL104002
104 Series Pressure Relief Valve
8.0
1" x 1 1/4" x FBSP x FBSP
PREL104017
104 Series Pressure Relief Valve
3.5
1 1/4" x 1 1/2" x FBSP x FBSP
PREL104044
104 Series Pressure Relief Valve
5.0
1 1/4" x 1 1/2" x FBSP x FBSP
PREL104045
104 Series Pressure Relief Valve
6.0
1 1/4" x 1 1/2" x FBSP x FBSP
PREL104005
104 Series Pressure Relief Valve
8.0
1 1/4" x 1 1/2" x FBSP x FBSP
PREL104013
104 Series Pressure Relief Valve
3.5
1 1/2" x 2" x FBSP x FBSP
PREL104046
104 Series Pressure Relief Valve
5.0
1 1/2" x 2" x FBSP x FBSP
PREL104047
104 Series Pressure Relief Valve
6.0
1 1/2" x 2" x FBSP x FBSP
PREL104012
104 Series Pressure Relief Valve
8.0
1 1/2" x 2" x FBSP x FBSP
PREL104020
104 Series Pressure Relief Valve
3.5
2" x 2 1/2" x FBSP x FBSP
PREL104048
104 Series Pressure Relief Valve
5.0
2" x 2 1/2" x FBSP x FBSP
PREL104049
104 Series Pressure Relief Valve
6.0
2" x 2 1/2" x FBSP x FBSP
PREL104015
104 Series Pressure Relief Valve
8.0
2" x 2 1/2" x FBSP x FBSP
PREL104023

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