Table of Contents
Advertisement
Quick Links
CLASS "A" SERVO REGULATED COMBINATION VALVES
www.honeyvell.energy
UNIVERSAL GAS VALVES
VR400/VR800 SERIES
APPLICATION
The VR400 Series class "A" servo regulated combination
valves are used for control and regulation of gaseous fuels in
gas fired power burners, atmospheric gas boilers, melting
furnaces, incinerators and other gas consuming appliances.
These servo regulated combination valves are available in
Three different versions:
VR415/VR815 (pipe sizes 1/2")
VR420/VR820 (pipe sizes 3/4")
VR425/VR825 (pipe sizes 1")
VR432/VR832 (pipe sizes 1¼")
VR434/VR834 (pipe sizes 1¼")
General
Description ........................................................................ 2
Features ............................................................................ 3
Technical
Specifications .................................................................... 4
Performance Characteristics ............................................. 5
Capacity curves .......................................................... 6 -10
Dimensional drawings .............................................. 11 - 13
Installation and Operation
Installation ....................................................................... 14
Adjustments and final checkout ...................................... 15
construction and working principles ................................ 17
Various
Standards and approvals ................................................ 19
ordering information ........................................................ 19
Replacement parts and accessories ............................... 23
1
PRODUCT HANDBOOK
Contents
EN2R-9033 0407R6-NE
Advertisement
Table of Contents
Related Manuals for Honeywell VR415
Summarization of Contents
SPECIFICATIONS
Models
Lists various models of VR400/VR800 series with their specifications.
Dimensions
Provides information on the physical dimensions of the valves.
Pipe Sizes
Details the available straight flange pipe connection sizes.
Capacity
Information on the minimum regulating capacity for different models.
Maximum Operating Pressure
Specifies the maximum operating pressure for various series.
Electrical Equipment
Details the electrical components and connections used.
Valve Classification
Details the valve's classification according to EN standards.
Supply Voltages
Lists the available supply voltages for the valves.
PERFORMANCE CHARACTERISTICS
Opening Time
Describes the dead time and opening characteristics of the valves.
Maximum Allowable Leakage
Specifies the maximum leakage requirements for the valves.
High Pressure Test
Details the valve's ability to withstand high inlet pressure.
Oscillation
Specifies the maximum oscillation under all circumstances.
Tap Sensitivity of Outlet Pressure Set Point
Indicates the maximum deviation for the outlet pressure set point.
Repeatability of Outlet Pressure Set Point
Defines the maximum deviation from the set point for outlet pressure.
Closing Time (V1, V2)
Specifies the closing time for both valves.
Maximum Working Frequency
Indicates the maximum operating frequency.
Duty Cycle
Describes the duty cycle suitability for coils.
Operational Voltage Range
Specifies the operational voltage range for satisfactory function.
CAPACITY CURVES AND RECOMMENDED WORKING AREA
1/2" DN15 Capacity
Presents the capacity curves and recommended working area for the 1/2" DN15 model.
3/4" DN20 Capacity
Presents the capacity curves and recommended working area for the 3/4" DN20 model.
1" DN25 Capacity
Presents the capacity curves and recommended working area for the 1" DN25 model.
1 1/4" DN32 VR432 Capacity
Presents the capacity curves and recommended working area for the 1 1/4" DN32 VR432 model.
1 1/4" DN32 VR434 Capacity
Presents the capacity curves and recommended working area for the 1 1/4" DN32 VR434 model.
INSTALLATION
Important Safety Instructions
General instructions and warnings for proper installation procedure.
Mounting Position and Location
Guidance on permissible mounting positions and required clearance.
Main Gas Connection
Step-by-step instructions for connecting the gas supply to the valve.
Electrical Connection
Instructions for making correct electrical connections to the valve.
Tightness Test Warning
Crucial warning about performing a gas leak test after installation.
ADJUSTMENTS AND FINAL CHECKOUT
Adjustment Safety Warnings
Emphasizes that adjustments must be made by qualified personnel only.
2nd Valve Fast Opening Adjustments
Details flow rate adjustments for the second valve's fast opening.
2nd Valve Slow Opening Adjustments
Details flow rate and step pressure adjustments for slow opening.
Opening Speed Adjustment
Describes the factory-set opening speed adjustment.
Outlet Pressure Adjustment
Procedure for adjusting the valve's outlet pressure.
Pressure Tap Points
Details connections for pressure measurement and switch mounting.
Final Checkout Procedure
Steps for performing final checks after adjustments and installation.
CONSTRUCTION AND WORKING PRINCIPLES VR415/420/425/432
Servo Pressure Regulation Working
Explains the working principle of servo pressure regulation for these models.
CONSTRUCTION AND WORKING PRINCIPLES VR434
Servo Pressure Regulation Working
Explains the working principle of servo pressure regulation for the VR434 model.
STANDARDS AND APPROVALS
Standards Compliance
Details compliance with European standards like EN 126 and EN 60335.
Approvals and Directives
Lists conformity with EC directives and specific approvals.
ORDERING INFORMATION
Ordering Specification Number Format
Explains how to construct the specification number for ordering.
HOW TO SELECT YOUR VALVE
VR400 Series Positions and Functionalities
Details how to select valve options and functionalities based on positions.
REPLACEMENTS
Exploded View of VR400/VR800 Series
An exploded view illustrating the components of the VR400/VR800 series.
Replacement of Coils
Procedure for replacing the valve coils.
Replacement of Rectifier Board
Procedure for replacing the rectifier board.
Replacement of Hydraulic Slow Open Unit
Procedure for replacing the hydraulic slow open unit.
Replacement of Pressure Regulator
Procedure for replacing the pressure regulator.
REPLACEMENT PARTS AND ACCESSORIES
Rectifier Boards
Lists rectifier boards with order numbers and specifications.
Coils
Lists replacement coils with order numbers and specifications.
Slow Open Units
Lists slow open units with their order numbers.
Regulators
Lists available regulators with ranges and O.S. numbers.
Need help?
Do you have a question about the VR415 and is the answer not in the manual?
Questions and answers