Electric actuators are the straight shooters of the valve automation world, converting electrical energy into linear motion to open and close a valve. Their simple, no-nonsense approach makes them ideal for applications where flammable gases are a possibility, especially when the environment requires that the system be safe and fail-safe to prevent damage or injury.

Designed for use in hazardous gas and dust environments, explosion proof actuators are certified to Class I Div 1 specifications. They feature flameproof enclosures and conduit seals to prevent sparks and heat from igniting a combustible atmosphere. They also feature rugged metal housings able to withstand blasts and are rated for a wide temperature range.

Schischek offers a wide range of explosion proof quarter turn rotary actuators for ball valves and butterfly valves and linear ‘Run’ actuators for gate and globe valves. All are ATEX approved for use in zones 1, 2, 21 and 22, allowing them to be used in areas where gases, vapours, mists and dust are present.

Unlike electric actuators, explosion proof pneumatic actuators are powered by air rather than electricity. As such, they are suitable for use in potentially explosive atmospheres without the need for an explosion-proof enclosure. They also offer a number of other advantages, including high output torque, low maintenance, and a large choice of available accessories. They are a popular choice for use on industrial valves, such as those found in the oil and gas industry, where the potential presence of flammable liquids and gasses means safety is paramount. Explosion Proof Valve Actuator

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