Hanley, Flight & Zimmerman, LLC
Diaphragm actuators having adjustable actuation force
Diaphragm actuators having adjustable actuation force are disclosed herein. An example apparatus includes a spring seat coupled to a diaphragm of an actuator. The spring seat is to contact a spring and is to be coupled to a stem. The diaphragm is to displace the stem based on a force provided to the diaphragm, and the stem is to control a fluid valve. The example apparatus also includes an adjuster to adjust an amount of force provided to the spring seat by the spring.
Fisher Controls International LLC
F F
F16K F16K
inventional inventional
Daniel Martin David Anthony
Adams Arnold