Watson McDaniel Company Datasheets for Industrial Valves

Valves are mechanical devices that control the flow and pressure of liquids, gases, and slurries within a system. They are also known as regulators and are used in a wide variety of applications. Valves vary greatly in size, design, function, and operation.
Industrial 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 3040 Series Back Pressure Valves relieve upstream pressure in a variety of processes. Automatically maintains desired maximum pressure in a vessel or system by relieving excess pressure into lower...
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 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 R Series & 10691 Series Back Pressure Relief Valves are used in the following applications: Water pump bypass for Irrigation, sprinkler systems on golf courses, fountains, and fire protection...
Typically used for automatic operation, remote control, programmed cycling, sequential function interlocks with other equipment, and emergency shut-off in case of power failure.

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