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Home | Regulators | Air Regulators

Air Regulators

Air Regulators

Manufacturing and process plants use compressed air as a power supply for many devices within the plant. Plant air, also called shop air, is used for cooling and as a power source for pneumatic tools, sand blasters, sprayers, conveyors, robotics, and other mechanical tools. Instrument air is used to power instruments, such as controllers, positioners, switching valves, panel loaders, and volume boosters.

Plant air or shop air runs from the compressor throughout the plant. Pressure reducing regulators control the pressure to devices at each point of use off the air line.

Instrument air lines can come from the plant air line, or they may be separate air lines throughout the plant. In either case, the air supplied to the instruments must be cleaned and dried before it enters the instruments. Filters and dryers remove dust, moisture, and other debris from the air.

Air Regulator Products

Emerson Process Management Regulator Technologies offers air regulators / air valves for plant air applications with the smallest to the largest flows and all pressure ranges. The Emerson Process Management Regulator Division also offers a variety of control valve accessories, such as air supply regulators, switching valves, panel loaders, controllers, and volume boosters. These accessories can be ordered as individual units, or they may be included as part of a control valve.

Emerson air regulators / air valves are compact, rugged, and easy to maintain. These small volume air regulators / air valves are available as stand alone units or panel mounted. Air regulators / air valves are also available with integral filters and internal relief. Emerson's air regulators / air valves offer the ease of inline maintenance, and no special tools are required for maintenance.

Manufacturing and process plants use compressed air as a power supply for many devices within the plant. Plant air, also called shop air, is used for cooling and as a power source for pneumatic tools, sand blasters, sprayers, conveyors, robotics, and other mechanical tools. Instrument air is used to power instruments, such as controllers, positioners, switching valves, panel loaders, and volume boosters.

Plant air or shop air runs from the compressor throughout the plant. To control the pressure to devices at each point of use off the air line an air pressure regulator is recommended

Air Regulator / Air Valve Styles Include


  • Instrument Supply Regulator
  • Pressure Reducing Valve
  • Relief Valve
  • Backpressure Regulator

A variety of control valve accessories, such as air supply regulators, switching valves, panel loaders, controllers and volume boosters are available.

Instrument air lines can come from the plant air line, or they may be separate air lines throughout the plant. In either case, the air supplied to the instruments must be cleaned and dried before it enters the instruments. Filters and dryers remove dust, moisture, and other debris from the air.



For general enquires contact us at (+64) 9 634 1391 or by email at sales@customcontrols.co.nz

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