R.G. Laurence On/Off Valves by Circor International

Circor International’s R.G. Laurence 2500 series of on/off control valves are designed for applications demanding rapid opening and sealed closure. They are operated by an external lever connecting the lifting action of the linear actuator to the valve piston via a rotary shaft. Direct, semi-direct and pilot operated valve piston options make these valves ideal within light liquids and gases, such as hydrogen, oxygen, helium and carbon dioxide. The rotary shaft also enables stronger return spring action, ensuring a reliable and fail-safe return. R.G. Laurence valves can safely handle up to 425°F fluid temperature, including steam, without the coil insulation breakdown often associated with packless type solenoid valves. They are designed to perform in dirty, viscous, or unclean liquids such as gasoline, fuel gases, lube and fuel oils as well as in all waters, including seawater, and steam. R.G. Laurence valves also operate reliably under the stress of superheated steam and hot gases. 

Circor International 
www.circor.com  

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