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| Traction Drive
Hoists |
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Used
to motorize counterweighted straight lift
fire curtains. |
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V-grooves in the head block drive the lift
line cables to open and close the curtain
during normal operation. |
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A
clutch between the gearbox and the traction
head block is held engaged by the fire line.
When the fire line is released, the clutch
is disengaged, allowing the head block to
freewheel so that the curtain closes. The
system must be curtain heavy. |
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Operates
on 208, 230, or 460 VAC 3 phase power (specify). |
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Traction
Drive Hoist
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016-2TW
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