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TABLE OF CONTENTS
Subject
General Information.................................................................................
Receiving and Inspection.........................................................................
Capacities.............................................................................................
Dimensions...........................................................................................
Installation............................................................................................
Operation.............................................................................................
Maintenance..........................................................................................
These instructions are intended to serve as guidelines covering the installation, operation, and maintenance of Hauck equipment. While
every attempt has been made to ensure completeness, unforeseen or unspecified applications, details, and variations may preclude
covering every possible contingency. WARNING: TO PREVENT THE POSSIBILITY OF SERIOUS BODILY INJURY, DO NOT USE OR
OPERATE ANY EQUIPMENT OR COMPONENT WITH ANY PARTS REMOVED OR ANY PARTS NOT APPROVED BY THE
MANUFACTURER. Should further information be required or desired or should particular problems arise which are not covered
sufficiently for the purchaser's purpose, contact Hauck Mfg. Co.
HAUCK MANUFACTURING CO.,
4/14
GAS LIMITING ORIFICE VALVES
LVG SERIES
These instructions are intended for use only by
experienced, qualified combustion start-up personnel.
Adjustment of this equipment and its components, by
unqualified personnel, can result in fire, explosion,
severe personal injury, or even death.
100 North Harris Street Cleona, PA 17042 717-272-3051
www.hauckburner.com
WARNING
Fax: 717-273-9882
INSTRUCTIONS
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2
2
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6
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LVG-9
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Summary of Contents for Hauck LVG SERIES
- Page 1 Operation………………………………………………………………………………… Maintenance……………………………………………………………………………... These instructions are intended to serve as guidelines covering the installation, operation, and maintenance of Hauck equipment. While every attempt has been made to ensure completeness, unforeseen or unspecified applications, details, and variations may preclude covering every possible contingency. WARNING: TO PREVENT THE POSSIBILITY OF SERIOUS BODILY INJURY, DO NOT USE OR OPERATE ANY EQUIPMENT OR COMPONENT WITH ANY PARTS REMOVED OR ANY PARTS NOT APPROVED BY THE MANUFACTURER.
- Page 2 Annual review and upgrading of safety equipment is recommended. A. GENERAL INFORMATION The Hauck LVG Series Limiting Orifice Gas Valves are designed for use with each burner in a multiple furnace application. They allow fine gas flow adjustment of individual burners to achieve the desired air/gas ratio at each burner.
- Page 3 1. Capacities based on natural gas at 0.60 s.g. and 60°F (or 0°C). 2. Pressure drop measured across full open valve. 3. Maximum inlet pressure is 15 psig (1034 mbar) 4. For natural gas leakage rates with valve fully closed, consult Hauck.
- Page 4 Page 4 LVG-9 C. CAPACITIES (Continued) LVG 507E (3/4") LVG 505E (1/2") Percentage of Maximum Flow vs No. of Percentage of Maximum Turns Open Flow vs No. of Turns Open No. of Turns Open No. of Turns Open LVG 510D (1") LVG 512D (1 1/4") Percentage of Maximum Flow vs No.
- Page 5 Page 5 LVG-9 C. CAPACITIES (Continued) LVG 525A (2 1/2") Percentage of Maximum Flow vs No. of Turns Open No. of Turns Open LVG 530A (3") Percentage of Maximum Flow vs No. of Turns Open No. of Turns Open LVG 540A (4") Percentage of Maximum Flow vs No.
- Page 6 Page 6 LVG-9 D. DIMENSIONS See appropriate Dimension sheet for detailed dimensional information. E. INSTALLATION The LVG valves are designed as straight through valves and feature an arrow indicating the intended direction of flow. NOTE Tighten all connections to ANSI/ASME B1.20.1 specifications. Install the LVG in the gas line as close to the burner as possible, downstream of a shutoff valve, gas orifice meter and gas controlling valve, and in an area that allows easy access to the valve’s adjusting mechanism.
- Page 7 Replace the hex screw cap when adjustment is complete to seal the valve. G. MAINTENANCE All LVG series valves are designed for maintenance free operation. Under normal usage, no service should be necessary. For the LVG 505 - 520 size valves, the entire piston cartridge may be removed for inspection or maintenance of the valve orifice.
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