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Products | Spring Return Videos: ExMax.. close air-damper Schischek Colour Code

Spring return time in comparison (Video clips)
Fail-safe quarter turn (90°) actuator ExMax.. size S for automation / motorization resp. closing air damper

Fail-safe because of (mechanical) spring return:
If it matters, the actuator closes the air damper or fire and smoke damper in less than 1 second (depending on type), also by disconnected power supply! Watch the videos.

Quarter turn actuator ExMax.. on closed air damper
to ExMax.. quarterturn actuators for Ex areas

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Colour Code

ATEX products for
zone 1, 2, 21, 22
(e.g. ExMax+LIN)

ATEX products for
zone 2, 22
(e.g. RedMax+LIN)

Products for
safe area
(e.g. InMax+LIN)

Offshore/Marine
Coated versions
(e.g. ..Bin..-CT / OCT)

Stainless steel versions AISI 316
(e.g. ExCos-V)