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INSTALLATION • OPERATION AND CHECKOUT
Fig. 6—Installing a 4 in. V5055 Valve.
NUT AND WASHER
(NOT INCLUDED)
OPERATION
A V5055 Industrial Gas Valve is operated by a V4055,
V4062, or V9055 Fluid Power Gas Valve Actuator. The
valve opens when the actuator is energized, and closes
when power is removed. When closed, the valve seals off
against the rated close-off pressure with no power applied.
For further information, refer to the Instructions for the
actuator.
CHECKOUT
WARNING
Do not allow fuel to accumulate in the combustion
chamber. If fuel is allowed to enter the chamber for
longer than a few seconds without igniting, an
explosive mixture could result.
60-2307—10
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ADD FURNACE CO.,LTD.
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4 IN. VALVE
GASKET
(2 INCLUDED WITH VALVE)
THREADED COMPANION
FLANGE (2 - NOT INCLUDED)
5/8 X 3 IN. [76] BOLT
(16 - NOT INCLUDED)
4 IN. PIPE
Operation and Checkout
CAUTION
1. Do not put the system into service until you
have satisfactorily completed the following
Valve Leak Test, all applicable tests described
in the Checkout section of the Instructions for
the flame safeguard control, and any other tests
required by the burner manufacturer.
2. All tests must be performed by a trained, expe-
rienced flame safeguard control technician.
3. Close all manual fuel shutoff valves as soon as
trouble occurs.
After the installation is complete, cycle the valve several
times with the manual fuel shutoff cock closed. Make sure
the valve and actuator function properly. Also perform the
Valve Leak Test that follows before putting the valve into
service.
8
M9581
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