Proportional Unloading Valve

   RL Series

• Set pressure: 0.68 to 15.5 bar @ 20°C (10 to 225 psig @ 70°F)
• Maximum outlet pressure:15.5 bar (225 psig)
• Internal orifice: 4.8 mm (0.19"), 6.4 mm (0.25")
• Set pressure = Required pressure - 0.8 × Back pressure
• Working temperature: -23°C to 148°C (-10°F to 300°F)
• Suitable for gas or liquid service
• Adjustable bonnet allows cracking pressure adjustment
• Lockwire holes effectively maintain the set cracking pressure
• Multiple seal material options available
• Label indicates cracking pressure range
• Manual override handle is optional for cracking pressures below 1500 psig; the handle allows opening the valve without altering the set cracking pressure.
• Connections:
• 1/4" to 1/2", 6 mm to 12 mm double ferrule
• 1/4 to 1/2 NPT

   RM Series

• Set pressure: 3 spring options available, expanding the cracking pressure range from 3.4 to 103 bar @ 20°C (50 to 1500 psig @ 70°F)
• Maximum outlet pressure:103 bar (1500 psig)
• Internal orifice: 6.4 mm (0.25")
• Balanced stem design eliminates the effect of back pressure on cracking pressure
• Working temperature: -23°C to 148°C (-10°F to 300°F)
• Suitable for gas or liquid service
• Adjustable bonnet allows cracking pressure adjustment
• Lockwire holes effectively maintain the set cracking pressure
• Multiple seal material options available
• Label indicates cracking pressure range
• Manual override handle is optional for cracking pressures below 1500 psig; the handle allows opening the valve without altering the set cracking pressure.
• Connections:
• 3/8" to 1/2", 8 mm to 12 mm double ferrule
• 1/4 to 1/2 NPT

   RV Series

• Set pressure: 7 spring options available, expanding the cracking pressure range from 0.34 to 414 bar @ 20°C (50 to 6000 psig @ 70°F)
• Maximum outlet pressure: 103 bar (1500 psig)
• Internal orifice: 3.6 mm (0.14")
• Balanced stem design eliminates the effect of back pressure on cracking pressure
• Working temperature: -23°C to 148°C (-10°F to 300°F)
• Suitable for gas or liquid service
• Adjustable bonnet allows cracking pressure adjustment
• Lockwire holes effectively maintain the set cracking pressure
• Multiple seal material options available
• Label indicates cracking pressure range
• Manual override handle is optional for cracking pressures below 1500 psig; the handle allows opening the valve without altering the set cracking pressure.
• Connections:
• 1/4", 6 mm to 8 mm double ferrule
• 1/4 NPT