HSP-19-F150-B
THE HSP SERIES MAIN VALVE WITH INTEGRAL PRESSURE PILOT REDUCES STEAM PRESSURE IN STEAM SYSTEM PIPING MAINS AND PROCESS APPLICATIONS. THIS PILOT-OPERATED REGULATOR IS SPECIFICALLY USED IN APPLICATIONS WHERE THE PROPERTIES AND BENEFITS OF CAST STEEL ARE DESIRED AND/OR SPECIFIED. USING STEEL AS THE MATERIAL OF CONSTRUCTION FOR THE MAIN VALVE BODY EXTENDS THE PRESSURE-TEMPERATURE RATING OF THE REGULATOR. A UNIQUE TWO-BOLT PILOT ADAPTER DESIGN AND FIELD-REVERSIBLE TUBING OFFER EVEN GREATER VERSATILITY TO THIS TYPE OF REGULATOR, FURTHER REDUCING MAINTENANCE DOWNTIME. THESE VALVES SHARE THE SAME DESIGN AND PROVEN RELIABILITY OF THE WATSON MCDANIEL HD-SERIES REGULATORS, PROVIDING EXTREMELY ACCURATE CONTROL OF DOWNSTREAM SYSTEM PRESSURE EVEN WHEN INLET PRESSURE TO THE REGULATOR FLUCTUATES OR STEAM USAGE VARIES.
Technical Specification |
Size | 3" |
Connection | 150# FLG |
Max. Operating Pressure (psig) | 450 |
Max. Operating Temperature | 650˚F |
Max. Allowable Pressure (psig) | 550 PSIG @ 650˚F |
Max. Allowable Temperature | 650˚F @ 550 PSIG |
Inlet Pressure Range | 15 - 450 |
Minimum Differential Pressure | 10 PSIG |
Material Specification |
Body | ASTM A-216 GR WCB |
Cover | ASTM A-216 GR WCB |
Diaphragm Cover | ASTM A-216 GR WCB |
Pilot | ASTM A-216 GR WCB |
Gasket | Garlock 3400/grafoil SLS |
Seat | 420F Stainless Steel |
Disc | 420F Stainless Steel |
Diaphragm | Bronze |
Diaphragm Chamber | EPDM |
Mfg. Bolts | SA-193,GR B7 |
Spring | 302 SS |
Stem | 416SS |