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 |