Rotary actuator BR 31a - 2020+
pneumaticpistonsingle-acting

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Characteristics

Movement

rotary

Type

pneumatic

Technology

piston

Configuration

single-acting

Norms

ISO, VDI/VDE 3845

Applications

test

Other characteristics

standard, wide, backlash-free, 0-90° swivel angle

Pressure

10 bar
(145 psi)

Torque

Max.: 1,702 Nm
(1,255.331 ft.lb)

Min.: 18 Nm
(13.276 ft.lb)

Ambient temperature

Max.: 80 °C
(176 °F)

Min.: -40 °C
(-40 °F)

Description

Pneumatic rotary actuator USAGE Throttling service On/off service Pressure swing adsorption (PSA) ACTUATOR MOTION RATED ANGLE 90° SUPPLY Pneumatic VERSION Standard FAIL-SAFE ACTION Reversible Special features Single-acting and double-acting piston actuator Suitable for strict requirements in chemical plants Opening angle 90° End positions adjustable within wide range (+5°/–15°) Additional pneumatic input at the top shaft end Diagonal or parallel square drive position Position indicator adjustable in steps of 45° Encapsulated spring assemblies Backlash-free force transmission thanks to involute gearing Direction of rotation reversible without requiring additional parts Surface treatment tested by Kesternich sulfur dioxide corrosion test and salt spray test Centering ring milled into the housing Standardized attachment of valve accessories according to VDI/VDE 3845 or NAMUR Simple attachment according to DIN EN ISO 5211 Blow-out-proof travel stop screws Fast stroking speeds as standard