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The V5055 Gas Valves are used with the V4055,
V4062, and V9055 Fluid Power Actuators to con-
trol gas flow to commercial and industrial burners.
■ Used with natural or liquefied petroleum (LP) gases.
■ V5055 normally closed valves are rated for final
shutoff service (safety shutoff).
■ V5055A,C,D,E Valves are for On-Off service.
■ V5055B Valve has a characterized guide and in
combination with the V4055, V4062, and V9055
Fluid Power Actuators, provides slow-opening, hi-
lo-off, and modulating functions respectively.
■ V5055C,E Valves have a double seal and are used
with V4055D,E Actuators to provide proof-of-clo-
sure switch and valve seal overtravel interlock.
■ V5055D,E Valves are for high pressure applications
(see Table 1).
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Industrial Gas Valves
■ Seven valve sizes from 3/4 to 3 inches have NPT
threaded connections. Models are available with
BSP-PL threads. V5055A,B,C Valves are available
in a 4 inch size and have flange connections.
■ Most models have 1/4 inch upstream and down-
stream top and plug. BSP-PL thread models have
1/4 inch upstream tap and plug.
■ Valve body rating of 75 psi (517.1 kPa).
■ Yellow SHUT indicator attached to the valve stem
provides an indication of the valve closed position.
■ Unpainted, die-cast aluminum body.
CONTENTS
Specifications .................................................. 2
Ordering Information ..................................... 2
Installation ...................................................... 6
Operation and Checkout ................................. 8
Service Information ........................................ 9
F. P. • Rev. 11-94 • ©Honeywell Inc. 1994 • Form Number 60-2307-10
1
sales@add-furnace.com
V5055A-E
60-2307-10
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Summarization of Contents
Specifications
Valve Models and Types
Details the different V5055 industrial gas valve models and their specific functions like on-off or slow-opening.
Gas, Pipe, and Pressure Ratings
Covers gas types, pipe sizes, thread types (NPT/BSP-PL), valve body rating, and pressure ratings with actuators.
Flow Characteristics and Dimensions
Presents flow rate curves (Fig. 1) and approximate physical dimensions for V5055 valves.
Material and Environmental Details
Specifies valve body material, ambient operating temperature limits, and weight for different valve sizes.
Ordering Information
Product Ordering Guide
Instructions for specifying product details, order numbers, and replacement parts when purchasing.
Installation Procedures
Safety Cautions and Location
Covers essential safety cautions, recommended installation location, and mounting guidelines for the valve.
Pipe Preparation and Valve Mounting
Details on preparing pipes, applying dope, and correctly installing the valve body and actuator.
Operation and Checkout
Valve Actuator Operation
Explains how the V5055 valve operates with its actuator, opening upon energization and closing when power is removed.
System Checkout and Leak Testing
Outlines procedures for system checkout, including critical valve leak testing to ensure closure tightness.
Service Information
Scheduled Maintenance and Inspections
Recommends periodic inspection, maintenance schedules, and inclusion of valve leak tests.
Seal and Bonnet Replacement
Provides instructions for replacing valve seals and the bonnet assembly, ensuring proper seating.
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