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Spirax Sarco 25P Pilot Operated Pressure Reducing Main Valve**This item is new with manufacturer seals still in tacked.This Spirax Sarco is a self-actuated pilot operated pressure regulator. Downstream pressure is fed back through an external sensing line to the pressure pilot, which adjusts the opening of the main valve so as to maintain the set pressure. The main valve can close tight for ANSI/FCI 70-2 Class IV shut off when steam is not required.ITEM FEATURESCombination of pilots allow for different types of control in one regulatorFatigue-tested diaphragm designed without a piston to prevent danger of stickingStainless steel internals for excellent durability and resistance to corrosionMaximum allowable pressure: 250 psig at 0 to 450 deg FMaximum allowable temperature: 450 deg F at 0 to 250 psigPatented self scrubbing guide for long, trouble-free serviceAccurate control of pressure with choice of color coded springsHorizontal installation15.6 in inlet to outletAdditional Prep Fees May Apply