Moore Products Nullmatic Series overview
Moore Products Nullmatic Series Controllers Unsurpassed reliability record ensures a long installed life Powder coating provides improved corrosion resistance R...
Manufactured byMoore Products
Part number or familyNullmatic Series
Product groupAir Pressure Regulators
Product details
Manufactured byMoore Products
Product groupAir Pressure Regulators
DescriptionMoore Products Nullmatic Series Controllers
Features & BenefitsUnsurpassed reliability record ensures a long installed life Powder coating provides improved corrosion resistance Remote, station, and integral setting options provide application versatility
OverviewNullmatic controllers are applicable to any process with a transmitter (or transducer) that provides a pneumatic measured variable signal. As such, they can be installed in the control room or at the process.Any controller can be changed from direct action (increase input, increase output) to reverse control action, by turning an external plate. Moreover, standard and fast-reset needle valves are interchangeable in all models without disassembling the controller.Nullmatic controllers operate entirely on the forcebalance principle.Three basic types are offered. They are: Remote set, which accepts an externally generated setpoint signal Remote set with built-in cut-off relay, which accepts an external set-point and include a reset bypass that opens when the cut-off relay is operated Integrally set, which include a built-in set-point regulator and are used in circuits without control stationsEach type is available with a selection of control modes (proportional, reset, etc.) and ranges and most can be ordered with either plug-in style units that allow removal from the circuit without breaking pipe connections.Model 50 Nullmatic ControllerModel 50 Nullmatic Controllers are most commonly used in the control room, where their high response level and ample output capacity enable them accommodate a wide variety of applications. However, they may also be located at the process with a separate cut-off relay. Models are available for both plug-in mounting and pipe connection.Model 509 Nullmatic ControllerThe Model 509 Nullmatic Controller is a basic three-mode controller. As such, it incorporates direct-derivative action in the controller stack and applies the derivative action to the process input—ahead of throttling and reset.The use of derivative action on the input provides better control and enables faster recovery on large load upsets. It also limits overpeaking on start-up.
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Moore Products
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Product group
Air Pressure Regulators
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