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Watson McDaniel Pilot Operated Regulators |
How are they
used |
Basic
Information |
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The HD Regulator with the “P”
Pressure Pilot is used for reducing
steam pressure in piping mains and process applications. Pilot-operated
regulators will maintain constant downstream pressure even when the inlet
pressure to the regulator fluctuates or steam usage varies. |
Model: HDP |
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The HD Regulator with the “T”
Temperature Pilotis used for controlling temperature in various processes and
systems, such as Oil Heaters, Ovens, Process Heaters, Vats, Dryers and
Jacketed Kettles. |
Model: HDT |
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The HD Regulator with the “A”
Air Pilot is used for reducing steam
pressure on steam mains and process equipment. The “A” Air Pilot can also be
used in conjunction with the PTL and PTR Pneumatic Temperature Controllers
for controlling temperature in process applications. The principal advantage
of the “A” Air Pilot over standard spring-loaded pilots is that pressure
adjustments to the regulator can be made from a remote location. A regulator
placed in a difficult to reach or inaccessible location can be adjusted by a
remote control panel board placed in an accessible location. |
Model:
HDA |
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The HD Regulator with both the “P”
Pressure Pilot and “T” Temperature Pilot is
used to simultaneously control both pressure and temperature in process
applications. |
Model: HDPT |
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