6 days ago · Guide to spring return actuators: how they work, key types, sizing essentials, critical applications, and why Dombor ensures proven fail-safe reliability.

Dec 11, 2025 · When power fails in a chemical plant or subway tunnel, you need valves that respond instantly. A spring return electric actuator handles this job by automatically moving …

Dec 17, 2020 · Spring return actuators have either air or liquid supplied to one side of the piston, and the energy to move the valve comes from a spring on the opposite side. This pressure of …

What Is a Spring Return Actuator? A spring return (aka single) actuator provides power with the use of spring force. Air or liquid is dispersed in one direction to push or pull the piston. This …

The Industry Leader in Spring-Return Actuators for Critical Isolation Service. This style actuator is essential when quarter-turn and modulating emergency shutdown or shutoff capability is …

Oct 31, 2024 · A Spring Return Electric Actuator is an automatic resetting actuator that is designed to automatically return equipment to a preset safe position (either fully open or fully …

Fail-safe spring return electric actuators – more simply known as spring return electric actuators – are used on linear and rotary valves in a range of applications across nearly all industrial …

RTS fail-safe electric actuators with true mechanical spring return for fail-safe positioning are designed and field proven for reliable shutdowns on loss of power or signal. The design has …

The GMA...1 electronic actuators are available for two-position, three-position, modulating and networked control with spring return. The nominal torque is 7 Nm.

Spring Return Actuators, also referred to as single acting actuators or mechanical fail safe actuators are a positive way to mechanically open or close a process valve upon loss of air …