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All Categories > Fluid Power Process Instrumentation & Process Control Equipment > Rexroth Pneumatic Actuators & Positioners/Mobile Air Cylinders > Aventics A-2-H Radial Motion Type Positioners > View Items  
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Aventics A-2-H Radial Motion Type Positioners

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Rexroth Actuator Positioners are compact, pneumatically operated devices used for accurate positioning of engine governor control arms, butterfly valves, carburetors and other low-force mechanisms.

Aventics offers three types of positioners: diaphragm with radial motion lever, diaphragm-linear, and cylinder-linear. All three models use the same basic principle of applying a predetermined air pressure (supplied by a Aventics Type "H" Controlair® Valve or Type M PLUS™ proportional pressure control valve) to act on a diaphragm or piston to compress a positioning spring. The actuator lever then assumes a specific position which corresponds to the applied pressure and to the control valve handle position.

Our Actuator Positioners feature light-weight, strong, die-cast construction with a minimum of connections. Years of performance in heavy construction vehicles, drill rigs, marine applications, and other types of installations have proven them to be rugged and highly dependable.

The A-2-H has the lowest power rating: 410 in-lb-degrees; this compares with the small "C" Type Linear Positioner of 650 in-lb-degrees, but has better accuracy due to the low- friction characteristics of its diaphragm operation. The A-2-H has a nominal stroke of 2" (adjustable from 1 7/8" to 2 1/4"). Integral mounting lugs make installation simple and clean.

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Accessory Kit


R431005217 P -059718-00011 Complete Only 3-15 psi P57415 3 lb
R431004010 P -057159-00011 Complete Only 10-60 psi P57415 3 lb
R431004011 P -057159-00012 Complete Only 10-60 psi P57416 3 lb
R431004529 P -058430-00011 Complete Only 15-80 psi P57415 3 lb
R431003984 P -057086-00011 Complete Only 35-90 psi P57415 3 lb
R431005216 P -059718-00010 Actuator Only 3-15 psi P57415 3 lb
R431004009 P -057159-00010 Actuator Only 10-60 psi P57415
3 lb
R431004528 P -058430-00010 Actuator Only 15-80 psi P57415 3 lb
R431003983 P -057086-00010 Actuator Only 35-90 psi P57415 3 lb
  Results 1 - 9 of 9 1 
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