Watson McDaniel Company Datasheets for Steam Valves

Steam valves are used to control the flow and pressure level of steam and heated water vapor.
Steam Valves: Learn more

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Product Name Notes
The “A” Air Pilot is being used in conjunction with the PL2 Control Panel Board to regulate steam pressure. A small air regulator on the panel board can be adjusted...
The “A” Air Pilot is being used in conjunction with the PL2 Control Panel Board to regulate steam pressure. A small air regulator on the The “BP” Back-Pressure Pilot used...
The “P” or “P5” Pressure Pilots used with either the HD or D Regulator control steam pressure in steam mains or for process equipment. Pilot operated regulators will maintain constant...
The 402 and 403 Series Internally Pilot-Operated Pressure Regulating Valves are used for pressure reduction on steam mains and other process equipment. Pilot-operated regulators will maintain a constant and accurate...
The 455 Series Externally-Sensed Pressure Regulating Valves are used for reducing pressure in steam, air, and water systems. Commonly used in heating and other process applications. Externally-sensed regulators are often...
The HD or D 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...
The HD or D 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...
The WSVB Safety Relief Valves are used for over-pressure protec- tion on unfired pressure vessels in saturated steam systems. As safety valves open on a non-compressible fluid applica- tion, the...
The WSVI Safety Valves are used for over-pressure protection on unfired pressure vessels in saturated steam systems. As safety valves open on a non-compressible fluid application, the disc lifts directly...

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