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 “O” Series Pressure Regulating Valves are used for reducing pressure in steam, air, and water systems. Commonly used in heating and other process applications.
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...

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