Description
The Watson McDaniel HSP-16-F150-B Pilot-Operated Regulator, with an integral Pressure Pilot, reduces steam pressure in steam system piping mains and process applications. This pilot-operated regulator, part of the HSP series, 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.
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.
Pilot Mounting
Standard pilot mounting is on the right side of the regulator when looking into the outlet port. For opposite-mounting, specify when ordering. Pilot mounting on HSP regulators are field-reversible.
Pressure Pilot
The spring-adjusted Pilot is used for general purpose pressure reducing applications.
Features:
- Cast Steel body for higher pressure and temperature ratings
- New, convenient bolt-on pilot design simplifies installation
- New diaphragm design improves performance and extends life
- Hardened stainless steel trim for extended life
- Optional Stellite trim available
- Full port strainer and blowdown valve on pilot adapter for ultimate protection from dirt and scale
- Maintains downstream pressure to ±1.0 PSIG
- Choice of three overlapping spring ranges
- Pre-mounted pilot & tubing simplifies installation
Watson McDaniel HSP-16-F150-B Technical Specifications:
| Size | 1 1/2″ |
| 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 Specifications:
| 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 |
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