V5055A-F INDUSTRIAL GAS VALVES
60-2307—15
6
INSTALLATION
IMPORTANT:
The V5055 Valve is designed to provide control
of gaseous fuel (natural and LP gas) flow in
applications in which there is minimal exposure to
water. V5055 Valves used in maritime, beverage,
food processing, outdoor and other installations in
which occasional exposure to water is experienced
may be subject to valve stem and spring corrosion.
The presence of corrosion decreases the operating
life of the valve. V5055 Valves used in such
installations should be inspected at least annually
and should have the valve bonnets replaced if
corrosion is noted.
A V4055 Valve Actuator with a NEMA 4 rating is also
recommended for such installations. The water-tight
design of the NEMA 4 rated V4055 Actuator prevents
water from entering the V4055 valve stem and spring
chamber through the actuator. Under certain
conditions, some water may be retained by the
external upper portion of the valve body. The
retained water is effectively excluded from the valve
stem and spring chamber by a functional seal that is
incorporated into the NEMA 4 rated actuator.
When Installing This Product…
1.
Read these instructions carefully. Failure to follow
them could damage the product or cause a hazardous
condition.
2.
Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3.
Installer must be a trained, experienced, flame
safeguard control technician.
4.
After installation is complete, check out product
operations as provided in these instructions.
WARNING
Electrical Shock Hazard and Explosion Hazard.
Can cause serious injury, death or property
damage.
1. Turn off gas supply before starting installation.
2. Disconnect power supply for valve actuator before
beginning installation to prevent electrical shock
and equipment damage.
3. Be sure the valve is installed so the arrow on
the valve points in the direction of gas flow.
(Gas pressure helps to close the valve.)
Location
Install the valve in the gas supply line downstream from the
pressure regulator. The valve and actuator may be mounted in
any position that allows sufficient clearance for installation and
for repair or replacement.
1.
The valve position indicators should be easily visible
with the valve and actuator in the final position.
2.
The final position of the valve and actuator must allow
for damper linkage, if used.
IMPORTANT:
Allow room for turning the valve body (actuator not
attached) onto the gas piping. Swing dimensions,
measured from the center of the pipe are:
3/4 through 1-1/2 in. valves: 4 in. (101.6 mm).
2 through 3 in. valves: 5 in. (127.0 mm).
4 in. valves: 7 in. (177.8 mm).
Mounting (Figs. 4 through 6)
WARNING
Explosion Hazard.
Can cause serious injury, death or property
damage.
If flow is not in the direction of the arrow on the valve
body, the valve may not shut off.
1.
Use new, properly reamed, pipe, free from chips.
2.
Do not thread pipe too far (Fig. 4). Valve distortion or
malfunction may result from excess pipe in the valve.
Содержание V5055A
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