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100 Series Sealed System High Capacity Pressure Relief Valves
100 Series Sealed System High Capacity Pressure Relief Valves
 
  • Outlet one size larger than inlet, for high capacity discharge
  • Provides protection against over-pressurisation in wet heating systems
  • Diaphragm design gives improved resistance to scaling
  • Cartridge design for ease of service and replacement without need to reset response pressure
  • Set pressure range from 2.5 bar to 5.0 bar to suit any system requirement
  • High lift design for increased discharge capacity

Product Options

Size
Model
Part #
1/2" X 3/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 2.5 BAR
PREL100008
1/2" X 3/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 3.0 BAR
PREL100001
1/2" X 3/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 4.0 BAR
PREL100003
1/2" X 3/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 5.0 BAR
PREL100004
3/4" X 1" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 2.5 BAR
PREL100013
3/4" X 1" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 3.0 BAR
PREL100014
3/4" X 1" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 4.0 BAR
PREL100016
3/4" X 1" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 5.0 BAR
PREL100028
1" X 1 1/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 2.5 BAR
PREL100022
1" X 1 1/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 3.0 BAR
PREL100023
1" X 1 1/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 4.0 BAR
PREL100025
1" X 1 1/4" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 5.0 BAR
PREL100027
1 1/4" X 1 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 2.5 BAR
PREL100032
1 1/4" X 1 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 3.0 BAR
PREL100033
1 1/4" X 1 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 4.0 BAR
PREL100034
1 1/4" X 1 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 5.0 BAR
PREL100036
1 1/2" X 2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 2.5 BAR
PREL100044
1 1/2" X 2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 3.0 BAR
PREL100041
1 1/2" X 2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 4.0 BAR
PREL100042
1 1/2" X 2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 5.0 BAR
PREL100046
2" X 2 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 2.5 BAR
PREL100052
2" X 2 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 3.0 BAR
PREL100049
2" X 2 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 4.0 BAR
PREL100050
2" X 2 1/2" F x FBSP
High Capacity Pressure Relief Valve: Reliance 100 Series, Sealed Heating System, 5.0 BAR
PREL100055

Product Spares

Size
Model
Part #
1/2" & 3/4"
Replacement Pressure Relief Cartridge (2.0 BAR)
ZRC209020
1/2" & 3/4"
Replacement Pressure Relief Cartridge (2.5 BAR)
ZRC209021
1/2" & 3/4"
Replacement Pressure Relief Cartridge (3.0 BAR)
ZRC214043
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