Victaulic 867-42T Installation, Operation And Maintenance Manual

Victaulic 867-42T Installation, Operation And Maintenance Manual

Pressure reducing valve

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INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
867-42T Pressure Reducing 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_B
WARNING
I-867-42T
HANG THESE INSTRUCTIONS ON THE
INSTALLED VALVE FOR FUTURE REFERENCE
I-867-42T

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Summary of Contents for Victaulic 867-42T

  • 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.
  • Page 3: Table Of Contents

    I-867-42T / Pressure Reducing Valve / Installation, Operation, and Maintenance Manual TABLE OF CONTENTS Hazard Identification ........4 Safety Instructions .
  • Page 4: Hazard Identification

    I-867-42T / Pressure Reducing 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: Pressure And Flow Ratings

    I-867-42T / Pressure Reducing Valve / Installation, Operation, and Maintenance Manual PRESSURE AND FLOW RATINGS The 867-42T pressure reducing valve, sizes 1 .5-, 2-, 2 .5-, 3-, 4-, 6-, 8-, and 10-inch, are rated for the following pressure and flow capacities detailed in Table 1 .
  • Page 6: Installation

    INSTALLATION A typical installation of the 867-42T features a pilot valve for the automatic reduction of water pressure from a high upstream value to a preset lower downstream value, regardless of fluctuating upstream pressure or flow . The actuator design ensures quick and smooth valve action .
  • Page 7: Operation

    I-867-42T / Pressure Reducing Valve / Installation, Operation, and Maintenance Manual OPERATION When outlet pressure rises above the pre-set pressure, the pilot valve The 867-42T pressure control valve reduces water pressure throttles, enabling pressure to accumulate in the control chamber automatically from a high inlet pressure to a lower, pre-set outlet (Figure 2, call out 1) .
  • Page 8: Start Up

    I-867-42T / Pressure Reducing Valve / Installation, Operation, and Maintenance Manual START UP When performing this procedure, refer to Figure 2 . Open a hydrant, relief valve, drain valve, or other flow-consumer downstream of the 867-42T pressure reducing valve, creating a system demand .
  • Page 9: Maintenance And Inspection Tests

    I-867-42T / Pressure Reducing 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 10 For complete contact information, visit victaulic.com I-867-42T 9680 REV B UPDATED 11/2016 VICTAULIC IS A REGISTERED TRADEMARK OR TRADEMARK OF VICTAULIC COMPANY AND/OR ITS AFFILIATED ENTITIES IN THE UNITED STATES AND/OR OTHER COUNTRIES. © 2016 VICTAULIC COMPANY. ALL RIGHTS RESERVED.

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