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IRON RELIEF VALVES FOR LIQUID SERVICE


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Model 91 Extra heavy, rugged construction with bolted bonnet to permit easy inspection and servicing without removal from system. Quality cast iron body and bonnet with bronze trim (insert and disc). Available with optional stainless steel insert and disc. Spring is steel with aluminum painting for corrosion protection. High lift, wing guided disc offers high relieving capacity. Insert and disc lapped for optimum performance. Pivot between disc and spring corrects misalignment and compensates for side thrust.

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Models 218 and 228 Extra heavy, rugged construction with bolted bonnet to permit easy inspection and servicing without removal from system. Quality cast iron body and bonnet with bronze trim (insert and disc). Available with optional stainless steel insert and disc. Spring is steel with aluminum painting for corrosion protection. High lift, wing guided disc offers high relieving capacity. Insert and disc lapped for optimum performance. Pivot between disc and spring corrects misalignment and compensates for side thrust.
Sizes 1 1/2 - thru 6-inch (40 thru 150 mm) Pressure/temperature Limits: Sizes 3-, 4- and 6-inch (80, 100 and 150 mm) Pressure/Temperature Limits Adjustable
400 psig (27.6 barg)/406 degrees F (208 degrees C) 60/200 psig (4.1/13.8 barg)/ 406 degrees F(208 degrees C)
Applications Applications
Overpressure relief and protection of pumps, tanks, lines and hydraulic systems. Fire Pump Service, UL and FM approved
Pressure regulation. 218 standard with handwheel for easy adjustment
Suitable for installations where back pressures to 60 psig (4.14 barg) are present.

VARCOfor all your valve needs.

 

Please feel free to contact us with any questions about our products.

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 VARCO
VALVES & CONTROLS, CO.
P.O. Box 630277   Houston, TX  77263-0277
713-783-7600    fax:281-988-5701
email:  labco2@flash.net