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INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
867-4UF Pressure Relief Valve
• Read and understand all instructions before attempting to install, remove, adjust, or perform maintenance on any Victaulic piping products.
• Depressurize and drain piping systems before attempting to install, remove, adjust, or perform maintenance on any Victaulic piping
products.
• Wear safety glasses, hardhat, and foot protection.
• Save this installation, operation, and maintenance manual for future reference.
Failure to follow instructions and warnings could cause system failure, resulting in death or serious personal injury and property damage.
REV_A
WARNING
I-867-4UF
HANG THESE INSTRUCTIONS ON THE
INSTALLED VALVE FOR FUTURE REFERENCE
I-867-4UF
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Summary of Contents for Victaulic 867-4UF
- Page 1 WARNING • Read and understand all instructions before attempting to install, remove, adjust, or perform maintenance on any Victaulic piping products. • Depressurize and drain piping systems before attempting to install, remove, adjust, or perform maintenance on any Victaulic piping products.
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Page 3: Table Of Contents
I-867-4UF / Pressure Relief Valve / Installation, Operation, and Maintenance Manual TABLE OF CONTENTS Hazard Identification ........4 Safety Instructions . -
Page 4: Hazard Identification
I-867-4UF / Pressure Relief Valve / Installation, Operation, and Maintenance Manual HAZARD IDENTIFICATION 3. Wear safety glasses, hardhat, foot protection, and hearing protection. Wear hearing protection if you are exposed to long periods of Definitions for identifying the various hazard levels are provided below. -
Page 5: Installation
I-867-4UF / Pressure Relief Valve / Installation, Operation, and Maintenance Manual INSTALLATION Before the valve is installed, flush the pipeline to remove any dirt, scale, or debris. Failure to flush the line before installation may cause the valve to become inoperable. -
Page 6: Operation
I-867-4UF / Pressure Relief Valve / Installation, Operation, and Maintenance Manual OPERATION READJUSTING The pressure relief pilot (Figure 2, call out 1) senses inlet pressure and Tools required: modulates the upper control chamber, causing the main valve to throttle, • Flat head screwdriver thus sustaining constant inlet pressure. -
Page 7: Maintenance And Inspection Tests
I-867-4UF / Pressure Relief Valve / Installation, Operation, and Maintenance Manual MAINTENANCE AND INSPECTION TESTS WEEKLY INSPECTION The system should be inspected under flow conditions. NOTICE Check that the main valve, pilot system, accessories, tubing, and fittings are all in good condition, are free of damage, and are not •... - Page 8 For complete contact information, visit victaulic.com I-867-4UF 9322 REV A UPDATED 12/2015 VICTAULIC IS A REGISTERED TRADEMARK OR TRADEMARK OF VICTAULIC COMPANY AND/OR ITS AFFILIATED ENTITIES IN THE UNITED STATES AND/OR OTHER COUNTRIES. © 2015 VICTAULIC COMPANY. ALL RIGHTS RESERVED.
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