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Pressure Relief Valve - Download Catalogue

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Set pressure:
RV series: 7 color-coded springs available for a wide range of set pressure,
50 to 6000 psig @ 70°F (3.4 to 414 bar @ 20°C)
RL series: 10 to 225 psig @ 70°F (0.68 to 15.5 bar @ 20°C)
RM series: 3 color-coded springs available for a wide range of set pressure,
50 to 1500 psig @ 70°F (3.4 to 103 bar @ 20°C)
Maximum outlet pressure:
RV series: 1500 psig (103 bar)
RL series: 225 psig (15.5 bar)
RM series: 1500 psig (103 bar)
Orifice Size
RV series: 0.14 (3.6 mm)
RL series: 0.19 (4.8 mm) and 0.25 (6.4 mm)
RM series: 0.25 (6.4 mm)
Back pressure and Pre-set pressure
RV and RM series: Balance stem design to eliminate the effect of system back pressure
RL series: Pre-set pressure = Desired pressure - 0.8 × Back pressure
Working temperature: -10°F to 300°F (-23°C to 148°C)
Variety of end connections
Liquid or gas service
Adjustable bonnet cap and adjustable set pressure
Lock wired secure cap to maintain set pressure
Variety of seal materials
Label identifies the set pressure range