DeZurik G-SERIES Handmatig - Pagina 4

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DeZurik G-SERIES Handmatig
DeZURIK
G-Series Manual Actuator used on BOS Butterfly Valves

Description

The G-Series Manual Actuator is designed to operate a BOS Butterfly valve. External adjustable stops
limit actuator stroke for both the open and closed valve positions. This actuator is available in two sizes:
Size 6A and Size 12A. See Figure 1 to identify which unit you have.
Figure 1 - Actuator Identification

Operation

Rotating the operator (handwheel or chainwheel) clockwise closes the valve. Counterclockwise rotation
of the operator opens the valve. To actuate the valve from full open to full closed (or vice-versa)
requires 19 revolutions of the operator.

Tools Required

This actuator is assembled using metric fasteners. To service this unit, you should have a full set of
combination or ratchet wrenches, Allen wrenches, flat tipped screwdrivers, a 1/4" pin punch and a dead
blow hammer.

Lubrication

The G-Series Manual Actuator has been lubricated at the factory and requires no routine maintenance
lubrication. If the actuator requires disassembly, see the ACTUATOR DISASSEMBLY AND
ASSEMBLY section in this instruction for disassembly, lubrication and assembly procedures.
D10465
Page 4
August 2012