It is designed for use with neutral media

the internal bimetallic disc is likely fatigued

Adjustments are made via the range spring screw

KP pressure controls are intended for suction or discharge gas monitoring

Maintain the precision and performance of your steam system with the genuine Armstrong International D25403 Valve Kit

Armstrong Fluid Technology 207936-300 Valve R-22 It is designed for useThe Armstrong Fluid Technology 207936 300 Valve is a precision engineered water pressure reducing valve designed for high performance fluid management in commercial and residential HVACR systems. Known as the Model HRD 70, this brass pressure regulator features a 3 4" Female NPT inlet and outlet, making it an essential component for maintaining system integrity. Optimized for pressure reduction, it handles a 150 PSI Max Inlet Pressure with a versatile