Products Product detail

AT-SR Spring Return Pneumatic Actuator

AT-SR Spring Return Pneumatic Actuator for single acting spring return rotary valve automation, with examples AT-50S, AT-63S, AT-75S, AT-100S, AT-125S, AT-160S.

Kailing AT-SR Spring Return Pneumatic Actuator
PUBLISHED PRODUCT

AT-SR spring return pneumatic actuators provide fail-return behavior for 90-degree rotary valves. Use this page when the buyer needs fail close, fail open or spring-return valve automation.

Ordering Code Product configuration
AT-50S
AT Family
  • Product family: AT-SR Spring Return Pneumatic Actuator
AT-50S, AT-63S, AT-75S, AT-100S, AT-125S, AT-160S Catalog or card examples
  • AT-50S
  • AT-63S
  • AT-75S
  • AT-100S
  • AT-125S
  • AT-160S
confirm RFQ fields
  • model
  • valveType
  • failPosition
  • valveTorque
  • safetyFactor
  • airPressure
  • springSet
  • quantity

Selection use

Use this page when the inquiry names AT-SR Spring Return Pneumatic Actuator or related examples such as AT-50S, AT-63S, AT-75S, AT-100S, AT-125S, AT-160S.

RFQ confirmation points

Ask for model, valveType, failPosition, valveTorque, safetyFactor, airPressure, springSet, quantity. Include the valve model, actuator photo or old nameplate when replacing an existing package.

Technical Specifications Published data
ParameterValue
ActionSingle acting spring return
Operating pressure5bar-8bar
Fail actionSpring force returns the actuator when air supply or electric control is lost, depending on valve assembly direction
Spring materialHigh alloy spring steel with coating
Selection noteCheck both air-pressure torque and spring-return torque at start/end positions
Seal optionsNBR standard; FKM or silicone rubber optional
Maximum working pressure10bar
Standard temperature-20C to +80C
Optional temperature-35C to +80C or -20C to +150C
Rotation angle90 degrees +/-5%
Life1,000,000 cycles
Top accessory mountingVDI/VDE3845 NAMUR for limit switches and positioners
Side solenoid mountingVDI/VDE3845 NAMUR for solenoid valves
Valve mountingISO5211 and DIN3337 bottom connection
Travel adjustmentTwo independent adjustment mechanisms for +/-5 degree open/close adjustment
Evidence boundaryTorque and dimensions are catalog summary references; confirm valve torque, safety factor and current drawing before final sizing
Technical Specifications Published tables

AT-SR Spring Return Pneumatic Actuator quick reference

ModelSpring setAir torque referenceSpring torque referenceISO 5211 flange
AT-50S6 springs5bar start/end 13.9/11.1Spring 90/0 7.2/4.4F03/F05
AT-50S10 springs5bar start/end 10.9/6.3Spring 90/0 12/7.4F03/F05
AT-63S6 springs5bar start/end 24.4/19.5Spring 90/0 12.7/7.8F03/F05
AT-160Ssee source tableUse catalog page 90 for full start/end torqueUse selection example on page 93F10/F12

Use as buyer-facing selection evidence only; request exact drawing and customer confirmation before final quotation.

AT-SR Spring Return Pneumatic Actuator source evidence

FamilyExamplesEvidenceSource pages
AT-SR Spring Return Pneumatic ActuatorAT-50S, AT-63S, AT-75S, AT-100S, AT-125S, AT-160SAT catalog pages list single acting pressure range 5bar-8bar, spring-return torque table, safety selection examples and standard AT mounting interfaces.89, 90, 91, 92, 93, 94

Frequently Asked Questions

  • FAQ Which source supports AT-SR Spring Return Pneumatic Actuator?
    This product detail is based on Kailing catalog page 89, 90, 91, 92, 93, 94.
  • FAQ Can Kailing quote this from a product name only?
    A product name is enough for routing, but final quotation should confirm model, mounting, operating conditions, accessories and quantity.

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Send the model, medium, pressure, port size, body material and quantity for review.

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