The V4055 Gas Valve Actuator in combination
with a V5055 Gas Valve controls the gas supply to
commercial and industrial burners.
The V4055 Actuator, when used with the V5034 or
V5055 Valve, is rated for final safety shutoff service.
The V4055 Actuator may be used with the character-
ized guide model of the V5055 gas valve to enhance
lightoff smoothness.
The standard model has an opening time of 26 sec at
60 Hz, or 32 sec at 50 Hz. A fast-opening model, is
available with timings of 13 sec at 60 Hz, or 16 sec at
50 Hz.
Maximum closing time is 1 sec, which meets code/
standard/insurer requirements.
Models with damper shaft available, with or without
spring return; shaft extends out both sides and rides
in Teflon-like, Delrin bushings; used with standard
7616BR Damper Crank Arm.
Red OPEN indicator attached to the actuator stem
shows when valve is even slightly open; yellow
SHUT indicator on valve stem shows only when gas
valve is fully closed.
V4055A,B,D,E
On-Off Fluid Power
Gas Valve Actuator
Ambient temperature rating is -40°F to 150°F
[-40°C to 66°C] for 60 Hz models; -10°F to 158°F
[-23°C to 70°C] for 50 Hz and 50/60 Hz models.
Valve and actuator combination may be mounted in
any position.
Models available with factory installed SPDT field
adjustable auxiliary switch. Field addable auxiliary
switch kits are also available.
Standard enclosure meets NEMA 1 general purpose
requirements; models available with NEMA 4
weather proof enclosure.
V4055D and high pressure V4055E with proof-of-
closure switch and V5055C or E with valve seal
overtravel interlock (double seal) to meet specific
code/standard/insurer requirements.
CONTENTS
Specifications ................................................. 2
Ordering Information ..................................... 2
Installation ..................................................... 4
Checkout and Service ..................................... 8
F.P. • Rev. 10-94 • ©Honeywell Inc. 1994 • Form Number 60-2309—8
1
60-2309—8
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