Spring-return pneumatic valve actuator
Kinetrol
Typicaly 20% through 90° yields extra torque
through spring stroke - enables the selection of
smaler actuators (see diagram)
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 and
spring 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
(except model 08)
Springs guaranteed against failure for lifetime
of actuator
ATEX Category 1 approved for many models
Category 2 for other models
