Kinetrol Fail-Safe Spring Return Units
Specification
Spring Casing:
Typically 20% through 90° yields extra torque through spring stroke – enables the selection of smaller actuators
Finish:
Epoxy stove enamel.
Spring:
Clock type spring steel.
Square:
Steel, zinc plated.
Mount Holes Same as matching actuator
(output end)
Same as matching actuator (except model 01), low pressure combinations & ISO drive versions. See page 51/52 & TD121.
Features
- Lowest Torque Loss
Typically 20% through 90° yields extra torquethrough spring stroke - enables the selection of smaller actuators - Reliable low stress range clock type spring
- Separate housing for modular assembly, easily retrofitted
- Sealed, non-breathing housing
Protects spring in corrosive environments - Adjustable pretension for 'balanced' air andspring stroke torques
Various combinations available for balanced /optimised torques at various air pressures - Keeper plates available to ensure safe handling of pretensioned springs
- Available with ISO/DIN female drive and mounting for models 03-20
- Springs guaranteed against failure for lifetime of actuator
- ATEX Category 1 approved for many models Category 2 for other models
King Mechanical Speciality is an Authorized Distributor of Kinetrol Pnuematic Actuators, Spring Return Units, Positioners and Limit Switch Boxes. We stock a variety of sizes and ship orders same day. Our in-house machine shop can fabricate custom couplers and mounting brackets for mounting to any valve.