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Victaulic FireLock 758-LPA Series Installation, Maintenance, And Testing Manual

Actuated system valve with deluge trim and low-pressure actuator
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Series 758-LPA FireLock
Actuated System Valve
With Deluge Trim and
Series 776 Low-Pressure Actuator
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 Vic-
taulic 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
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Summary of Contents for Victaulic FireLock 758-LPA 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, 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

    Failure to follow these instructions may result in serious personal injury, property damage, and/or valve leakage. If you need additional copies of this valve installation instructions, or if you have any questions about the safe in- stallation and use of this device, contact Victaulic Company, P.O. Box 31, Easton, PA 18044-0031 USA, Telephone: 001-610-559-3300.

  • Page 4: Introduction

    The following procedures are a guide for the proper assembly of Victaulic Series 758-LPA Actuated System Valves with Deluge Trim. These instructions are based on pipe that is 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: Series 776 Low-Pressure Actuator Operation

    SERIES 776 LOW-PRESSURE ACTUATOR OPERATION Since the area of the lower diaphragm (exposed to the mid- The Series 776 Low-Pressure Actuator is located on the dle chamber’s water pressure) is greater than the area of trim of pneumatically released Series 758-LPA Actuated the lower chamber, the lower chamber seals off.

  • Page 7: Pilot Line Heights

    WET PILOT LINE CHARTS Heights are based on ¹⁄₂" schedule 40 pipe and a ¹⁄₂" sprinkler head. 1¹⁄₂ - 2" MAXIMUM ALLOWABLE PILOT LINE HEIGHTS FOR SPECIFIC EQUIVALENT LENGTHS 250.0 300 PSI 200.0 280 PSI 260 PSI 240 PSI 150.0 220 PSI 200 PSI 180 PSI...
  • Page 8 WET PILOT LINE CHARTS Heights are based on ¹⁄₂" schedule 40 pipe and a ¹⁄₂" sprinkler head. 4" MAXIMUM ALLOWABLE PILOT LINE HEIGHTS FOR SPECIFIC EQUIVALENT LENGTHS 140.0 300 PSI 280 PSI 120.0 260 PSI 100.0 240 PSI 220 PSI 200 PSI 180 PSI 80.0...
  • Page 9 WET PILOT LINE CHARTS Heights are based on ¹⁄₂" schedule 40 pipe and a ¹⁄₂" sprinkler head. 8" MAXIMUM ALLOWABLE WET PILOT LINE HEIGHTS FOR SPECIFIC EQUIVALENT LENGTHS 300.0 225 PSI 250.0 200 PSI 180 PSI 200.0 160 PSI 140 PSI 150.0 120 PSI 100 PSI...

  • Page 10: Installation

    For proper operation and approval, you must install the alignment. valve in accordance with the trim diagrams for the Series 758-LPA Deluge Valve. Victaulic provides specific trim drawings for pneumatic, hydraulic, and electric release 4e. Tighten the piston until you achieve metal to metal installations.

  • Page 11: Air Supply Design

    Alarm Pressure Switch 6. Recommended practice is to provide an inspector’s test connection for the release system. Equip the inspector’s 1. Set the alarm pressure switch to activate on a pressure test connection with a ball valve (normally locked closed), rise of 4 - 8 psi (25 - 55 kPa).

  • Page 12: Placing The System In Service

    Confirm that the system is drained. • Opening the main control valve of the water supply will cause water to flow from all 2. You must use Victaulic Company’s Air Maintenance open system openings. Trim Assembly (AMTA) with a tank-mounted compressor Doing so may cause personal injury and/or property damage.
  • Page 13 SLOW FILL BALL VALVE 5a. Remove the cap from the Series 746 Auto Drain. Pull 4. For pneumatic systems: Once the pilot system air on the auto drain set screw until the auto drain is set pressure has been established, close the fast fill ball valve (approximately 10 psi).

  • Page 14: Inspection And Tests

    • It is important that you inspect and test this deluge system regularly, according to proper procedures. • The Victaulic Series 758 Deluge Valve and trim must not be exposed to foreign mat- ter, corrosive atmospheres, freezing conditions, contaminated water supplies, or any other condition that could impair the proper operation of the system.

  • Page 15: Required Tests

    REQUIRED TESTS 12. Notify the authority having jurisdiction, remote station alarm monitors, and those in the affected area that the Main Drain Test valve has been placed back in service. Provide test results, as required, to the authority having jurisdiction. Perform the main drain test on a frequency required by the current NFPA-25 code.

  • Page 16: Trip Test

    7. Confirm that the alarm line ball valve in the deluge sys- Partial Flow Test tem trim is open. Confirm that the alarm test ball valve and 1. Notify the authority having jurisdiction and those in the the alarm drain ball valve are closed. affected area that the test will be in progress.

  • Page 17: Maintenance

    MAINTENANCE • Piping systems must always be depressurized and drained before attempting disassembly and removal of any Victaulic piping products. Failure to follow this instruction could result in serious personal injury, property damage, and/or valve leakage. 5. Close the piston charge line ball valve to the piston.

  • Page 18: Removing The Rubber Clapper Facing

    1. Remove the single bolt/washer from the clapper face. • 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 19: Installing The Rubber Clapper Seal

    INSTALLING THE RUBBER CLAPPER SEAL Smaller O.D. of white, outer seal-retaining ring Sealing side of gasket 2. Remove the brass retaining ring. 1. If you removed the outer seal-retaining ring from the seal in step 4, re-insert the outer seal-retaining ring care- fully underneath the outer lip of the gasket.

  • Page 20: Installing The Clapper

    4. Place the brass retaining ring onto the seal and bolt the retaining ring to the clapper with the bolt/washer provided by Victaulic. Tighten the bolt/washer sufficiently, and 1. Place the clapper on the seat ring so that the clapper apply an additional ¹⁄₄...

  • Page 21: Removing The Actuator Piston

    5. Attach the trim as per the trim drawings. INSTALLING THE COVER PLATE 1. Verify that the cover gasket is in good condition and replace, if necessary. Align the cover plate gasket with the holes on the cover plate. Insert one bolt through the cover plate and the cover gasket.

  • Page 22: 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 23 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.

This manual is also suitable for:

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