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Fisher 1078 Declutchable manual actuator

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Taneli Luhanko
Inside Sales Engineer
Phone. 0207 416 202
Mob. 040 757 4208

Fisher™ 1078 manual actuators are declutchable actuators for manual operation of control valves and equipment that use power actuators. The dimensions of these shafts are the same as those used with H mounting adaptations. The stub shaft fits into a square broach in the manual actuator sector and spacers secure the shaft in the appropriate position.

Fisher

Tekniset tiedot
Ominaisuudet

Actuation	Rotary, Manual
Certifications	PED, CUTR, ATEX
Control Type	On/Off, Positioning, Positioning
Power Source	Manual
Valve Type	Ball Valve, Butterfly Valve, Eccentric Plug Valve, Triple Offset Valve

Direct mounting to the actuator housing simplifies installation and eliminates the need for yokes and other brackets.
A lever-operated eccentric bearing support on the input shaft allows engagement of the worm gear with the sector at any point of rotation. Because the travel indicator components are mounted on a through shaft, accurate travel indication is maintained during manual actuator disengagement or engagement.
The disengagement lever is locked in both the engaged and disengaged positions by a detent mechanism, which must be released before the lever can be moved. This provision reduces the possibility of inadvertent or accidental operation. In addition, stop-pins at the fully engaged and fully disengaged positions provide positive limits for lever travel.

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Fisher 1078 Declutchable manual actuator

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