Fisher 3582 pneumatic valve positioners are used with diaphragm-actuated, sliding-stem control valve assemblies. This pneumatic valve positioner receives a pneumatic input signal from a control device and modulates the supply pressure to the control valve actuator, providing an accurate valve stem position that is proportional to the pneumatic input signal.
Features
● The range of the adjustable zero and span permits the use of all standard input signals, including split ranges.
● Because units from one positioner family can be used in a variety of control applications, basic spare parts inventory requirements are simplified and fewer spare parts are needed to support a plant-wide positioner applications base.
● With the cover removed, zero and span adjustments are easily accessible and can be made with a screw driver and spanner.
● Changes in supply pressure and valve load have minimal effect on positioner operation.
● Case, components, and gasket materials are able to withstand harsh environments. Positioner bleed air purges internal parts for additional protection..
● Simple adjustments permit switching between direct and reverse action.
● To support diagnostic testing of valve/actuator/positioner packages with the FlowScanner™ valve diagnostic system, connectors, piping, and other hardware can be installed between the positioner and the actuator.
Specifications
Area Classification: ATEX Group II Category 2 Gas and Dust, CUTR for Groups II/III Category 2 Equipment
Certifications: ATEX, CUTR, PED
Communication Protocol: 3-15 or 6-30 psi, 0.2 -1.0 or 0.4 -2.0 bar Pneumatic Signal
Diagnostics: No
Input Signal: Pneumatic
Max Outlet Pressure: 50 psi
Mounting Type: Actuator Mounted
Operating Temperature: Standard Temperature, High Temperature
Position Control: Modulating
Safety Certification: NIL
Supply Media: Air, Natural Gas
