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Victaulic FireLock 758 Series Installation, Maintenance, And Testing Manual

Actuated system valve with preaction trim and series 753-a dry actuator and/or solenoid valve
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Series 758 FireLock
Actuated System Valve
With Preaction Trim and Series 753-A Dry
Actuator and/or Solenoid Valve
Installation, Maintenance, and
Testing Manual
Failure to follow Instructions and warnings can result in serious injury.
• Always read and understand all installation instructions before attempting assembly of
Victaulic piping products.
• Always wear safety glasses and foot protection.
• Failure to do so could result in serious personal injury, property damage, and/or valve
leakage.
If you need additional copies of this manual, or if you have any questions about the safe op-
eration of this valve, contact Victaulic Company, P.O. Box 31, Easton, PA 18044-0031, USA,
Telephone: 001-610-559-3300.
R
™
1

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Summary of Contents for Victaulic FireLock 758 Series

  • Page 1 • Failure to do so could result in serious personal injury, property damage, and/or valve leakage. If you need additional copies of this manual, or if you have any questions about the safe op- eration of this valve, contact Victaulic Company, P.O. Box 31, Easton, PA 18044-0031, USA, Telephone: 001-610-559-3300.

  • Page 2: Table Of Contents

    Failure to follow these instructions may result in serious personal injury, property damage, and/or valve leakage. If you need additional copies of this literature, or if you have any questions about the safe installation and use of this device, contact Victaulic Company, P.O. Box 31, Easton, PA 18044-0031 USA, Telephone: 001-610-559-3300. Important Information Definitions for identifying the various hazard levels shown on warning labels, or to indicate proper safety procedures in this...

  • Page 3: Installer Safety Instructions

    These instructions contain important information. Additional copies of this literature are available at no charge. If you need additional copies, or if you have any questions about the safe installation and use of this device, contact Victaulic Company, P.O.

  • Page 4: Introduction

    The following procedures are a guide for proper assembly of Victaulic Series 758 Actuated System Valves with Preaction Trim. These instructions are based on pipe prepared and grooved properly in accordance with the latest published Victaulic grooving specifications.

  • Page 5: Dimensions

    DIMENSIONS 10.35-1B Aprx. Weight Each VALVE Lbs./ Dimensions SIZE Inches/ Without Trim With Trim Nominal Inches Flanged Grooved Flanged Grooved Actual mm GROOVED GROOVED 1 ¹⁄₂ 9.00 21.00 13.00 18.00 13.00 10.00 7.00 4.00 4.00 – 16.7 – 43.0 48,3 228,6 533,4 330,2...

  • Page 6: Air Maintenance Trim

    Victaulic the compressor connects to protection. With a properly Therefore, the system requires Company’s Air Maintenance the valve’s trim at the fitting...

  • Page 7: Installation

    For proper operation and approval, you must install the alignment. valve in accordance with the trim diagrams for the Series 758 Preaction Valve. Victaulic provides specific trim draw- 3e. Tighten the piston until you achieve metal to metal ings for all release installations.

  • Page 8: Placing The System In Service

    2. Regulate the air pressure to the proper system air pres- sure. Air pressure differing from the required system air pressure could affect the operation of the system adversely. 3. Restrict the air supply in order to ensure that air being exhausted from an open head or manual release valve is not replaced by the air supply system as fast as it is being exhausted.
  • Page 9 6c. For valves equipped with an accelerator: The accelerator must be set prior to setting up the water sup- ply (refer to the accelerator’s installation manual I-746). 5a. If the system contains a Series 746 Dry Accelerator, close the ¹⁄₄-inch isolation ball valve. 7.
  • Page 10 SETTING UP THE SERIES 746 DRY ACCELERATOR 9. Open the water supply main drain valve. This is the drain located below the clapper. Refer to the installation and assembly instructions for the Series 746 Dry Accelerator (I-746) to set up the accelerator. 10.

  • Page 11: Inspection And Tests

    1. Inform the authority having jurisdiction, remote station • The Victaulic Series 758 Preaction Valve and trim must not be exposed to foreign matter, corrosive atmospheres, freezing conditions, contaminated water supplies, alarm monitors, and anyone in the affected area that the or any other condition that could impair the proper operation of the system.
  • Page 12 Water Flow Alarm Test 5. After ensuring proper operation of all alarms, close the alarm test ball valve and open the alarm drain ball valve, Perform the water flow alarm test on a frequency required located in the trim below the alarm test ball valve. Verify by the current NFPA-25 code.

  • Page 13: Trip Test

    4. Close the main water supply control valve. 5. Slowly open the main water supply control valve until a small flow of water is detected from the water supply main 5. Open the inspector’s test valve. Record the system air drain.

  • Page 14: Maintenance

    • Piping systems must always be depressurized and should be given in the affected areas. drained before attempting disassembly and removal of any Victaulic piping products. Failure to do so could result in serious personal injury and/or property damage. Failure to follow this instruction could result in serious personal injury, property damage, and/or valve leakage.
  • Page 15 • ALWAYS DEPRESSURIZE THE VALVE BEFORE RE- MOVING COVER PLATE BOLTS. The valve must be de- pressurized before removing these bolts. The cover will blow off if these bolts are removed while the valve is pressurized. Failure to follow this instruction may result in property damage or serious personal injury.

  • Page 16: Removing The Rubber Clapper Facing

    1. Remove the single bolt/washer from the clapper face. INSTALLING THE RUBBER CLAPPER SEAL • This is a self sealing bolt/washer, it is critical that you use a new, Victaulic-supplied replacement when you reassemble the clapper. Failure to follow this instruction could result in significant property damage.

  • Page 17: Removing The Clapper Assembly

    2. Slide the clapper’s shaft through the body and the clap- 3. Ensure that the clapper is free of contaminants, dirt, and per. mineral deposits. 3. Remove the clapper. 3a. Carefully put the rubber seal into the clapper so that the clapper retains the outer edge of the seal.

  • Page 18: Removing The Actuator Piston

    5. Attach the trim as per the trim drawings. 4. Screw the shaft retaining plugs back into the body. INSTALLING THE COVER PLATE 1. Verify that the cover gasket is in good condition; if not, replace the gasket. Align the cover plate gasket with the holes on the cover plate.

  • Page 19: Troubleshooting

    SEQUENTIAL DAMAGES FOR LOST PROFITS, LOST SALES, INJURY TO PERSON OR PROPERTY OR ANY OTHER INCI- DENTAL OR CONSEQUENTIAL LOSS) SHALL BE AVAILABLE TO HIM. Victaulic neither assumes nor authorizes any person to assume for it any other liability in connection with the sale of such products.
  • Page 20 Phone: 011-32-93-811500 • FAX: 011-32-93-804438 This product shall be manufactured by Victaulic Company. All products to be installed in accordance with current Victaulic installation/assembly instructions. Victaulic reserves the right to change product specifications, designs and standard equipment without notice and without incurring obligations.

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