The original workhorse for steam pressure regulating applications, the Spence E Main Valve full port regulating valve has hundreds of possible applications with the variety of pilot pairings for your steam regulating management needs. Packless construction and rated to ANSI/FCI 70-2 Class IV shutoff, the Spence E Main Valve offers frictionless operation for longevity of installed life.

Available in sizes 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"
Minimum inlet pressure of 15 PSI
Minimum pressure differential of 10 PSI
Full port valve designed for maximum flow capacities
Normally closed design with .01% steam leakage of valve related capacity
Capable of pairing with the industries largest variety of pilot operators; hardware kits sold separately!
Spence Cast Iron 250# NPT E Main Steam Pressure Regulating Valve Specifications