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Victaulic FireLock 756 Series Installation, Maintenance, & Testing Manual

European dry valve stations
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Installation,
Maintenance, & Testing Manual
WARNING
Failure to follow instructions and warnings could cause product failure, resulting in serious personal injury and/or property
damage.
• Read and understand all instructions before attempting to install, maintain, or test any Victaulic piping products.
• Wear safety glasses, hardhat, and foot protection.
If you need additional copies of any literature, or if you have any questions about the safe installation and operation of this
product, contact Victaulic Company of Europe, Prijkelstraat 36, 9810 Nazareth, Belgium, Phone: 32-9-381-1500.
FireLock
Dry Valve Stations
Hang these instructions on the
installed valve for easy future reference.
R
Series 756
European
®
VdS
0786

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Summary of Contents for Victaulic FireLock 756 Series

  • Page 1 Failure to follow instructions and warnings could cause product failure, resulting in serious personal injury and/or property damage. • Read and understand all instructions before attempting to install, maintain, or test any Victaulic piping products. • Wear safety glasses, hardhat, and foot protection.

  • Page 2: Table Of Contents

    ® Series 756 FireLock European Dry Valve Stations TABLE OF CONTENTS HAZARD IDENTIFICATION Definitions for identifying the various hazard levels are provided Hazard Identification ....... . . 1 below.

  • Page 3: Installer Safety Instructions

    Victaulic Company of Europe, Prijkelstraat 36, 9810 Nazareth, Belgium, Phone: 32-9-381-1500. WARNING • Depressurize and drain the piping system before attempting to install, remove, or adjust any Victaulic piping products. Failure to follow this instruction could cause product failure, resulting in serious personal injury and/or property damage.

  • Page 4: Introduction

    Series 756 FireLock European Dry Valve Stations INTRODUCTION The following instructions are a guide for proper installation of Victaulic Series 756 Dry Valves. These instructions involve pipe that is properly prepared and grooved in accordance with current Victaulic specifications. TRIM DIMENSIONS Dimensions –...

  • Page 5: Exploded View Drawing - Trim Components

    ® Series 756 FireLock European Dry Valve Stations EXPLODED VIEW DRAWING – TRIM COMPONENTS Series 756 Dry Valve (Dry Accelerator and Air Maintenance Trim OPTIONAL) Grooved X Grooved SERIES 760 WATER MOTOR ALARM U L C LISTED ³⁄₄ Optional Series 746 Dry Accelerator Locked in Open Position...

  • Page 6: Exploded View Drawing - Internal Valve Components

    ® Series 756 FireLock European Dry Valve Stations EXPLODED VIEW DRAWING – INTERNAL VALVE COMPONENTS BILL OF MATERIALS 1 Valve Body Clapper Shaft Retaining Bushing (Qty. 2) 2 Clapper Latch Shaft 3 Clapper Seal Latch Shaft Retaining Bushing (Qty. 2) 4 Seal Ring Piston O-Ring 5 Seal Washer...

  • Page 7: Section View Drawing And Description - Series 753-A Dry Actuator/Anti-Flood Device

    ® Series 756 FireLock European Dry Valve Stations SECTION VIEW DRAWING AND DESCRIPTION – SERIES 753-A DRY ACTUATOR/ANTI-FLOOD DEVICE Dry Actuator The Series 753-A Dry Actuator/Anti-Flood Device is located in the trim of Series 756 Dry Valves and acts as the trigger for these systems. Diaphragms separate the dry actuator into two chambers.

  • Page 8: Section View Drawing And Description - Series 746 Dry Accelerator

    ® Series 756 FireLock European Dry Valve Stations SECTION VIEW DRAWING AND DESCRIPTION – SERIES 746 DRY ACCELERATOR The Series 746 Dry Accelerator exhausts air from the actuator to speed the operation of the valve. A diaphragm separates the Series 746 Dry Accelerator into two chambers. The closing chamber contains a compression spring, which maintains this chamber in the closed position.

  • Page 9: Compressor And Air Maintenance Trim Requirements

    Series 753-A Dry Actuator. Air Regulator Strainer (100 Mesh) The Victaulic air regulator is a relief-type design. Any pres- Spring-Loaded, Soft-Seated Check Valve sure in the system that is above the set point of the regulator will Fast Fill Ball Valve be released.

  • Page 10: Air Supply Design

    For proper operation and approval, the Series 756 Dry pressure. DO NOT oversize the compressor to provide more air- Valve must be installed in accordance with Victaulic specifica- flow, since it will slow down or possibly prevent valve operation. tions. NOTE: Victaulic provides specific trim drawings for instal- lations that involve a Series 746 Dry Accelerator.

  • Page 11: Valve/Trim Installation

    The Victaulic Series 756 European Dry Valve is manufactured and listed for a maximum working pressure of 16 Bar and is fac- tory tested to 41 Bar. The station can be hydrostatically tested to 14 Bar and/or 3,5 Bar above the normal water supply pressure Remove all plastic caps and foam spacers from the valve.

  • Page 12: Placing The System In Service

    ® Series 756 FireLock European Dry Valve Stations PLACING THE SYSTEM IN SERVICE CAUTION • Make sure the Series 756 Dry Valve is properly heated and protected from freezing temperatures and physical damage. Failure to follow these instructions could cause improper valve operation, resulting in personal injury and/or property damage.
  • Page 13 (28). NOTICE • The Victaulic air regulator is a relief-type design. • Any pressure in the system that is above the set point will be released. Therefore, charging the regulator above the set point could cause prema- ture operation of a valve installed with a Series 746 Dry Accelerator.
  • Page 14 ® Series 756 FireLock European Dry Valve Stations Open the isolation ball valve on the Series 746 Dry Accel- erator (14). Knob Body Spring Drain Hose Stem Compression Fitting Seal Pull up on the auto drain knob (12) until it is set in the “UP” position.
  • Page 15 ® Series 756 FireLock European Dry Valve Stations Open the water supply’s main control valve (2) slowly. Confirm that there is no leakage from the restricted orifice/ alarm line drain (19) located in the alarm line’s piping. If water is flowing from the restricted orifice/alarm line drain (19), close the water supply’s main control valve (2), and start over at step 1.

  • Page 16: External Inspection

    • It is important that the system is inspected regularly, according to proper procedures. • The Victaulic Series 756 Dry Valve and trim must not be exposed to foreign material, corrosive environments, freezing conditions, contaminated water supplies, or any other condition that could impair proper system operation.

  • Page 17: Water Level And Low-Air Alarm Tests

    ® Series 756 FireLock European Dry Valve Stations Notify the authority having jurisdiction, remote station alarm monitors, and those in the affected area that the valve is back in service. Provide test results to the authority having jurisdiction, if required. Water Level and Low-Air Alarm Tests The authority having jurisdiction in your area may require the wa- ter level and low-air alarm tests on a more frequent basis.
  • Page 18 ® Series 756 FireLock European Dry Valve Stations When the proper pressure is established, close the fast-fill Partially open the system main-drain valve (4) slowly. Con- ball valve on the air maintenance device (28). firm that no water is flowing from the drain. NOTE: If water is flowing, the system may not have drained properly.
  • Page 19 ® Series 756 FireLock European Dry Valve Stations 10b. Close the -turn vent ball valve on the Series 746 Dry Accelerator (14). This will set the accelerator. Open the water supply’s main control valve (2). Confirm that all valves are in their normal operating posi- tions (refer to table below).

  • Page 20: Trip Tests

    11. Full Trip Test Victaulic recommends full trip testing every 3 years. This test allows a full flow of water into the sprinkler system; therefore, this test must be performed in warm weather when there is no chance of freezing conditions.
  • Page 21 ® Series 756 FireLock European Dry Valve Stations Confirm that all alarms operate properly. Continue to run water until it is clear. Close the water supply’s main control valve (2). Close the piston charge line ball valve (8). Close the slow-fill ball valve on the air maintenance device (28).

  • Page 22: Required Internal Inspection

    ® Series 756 FireLock European Dry Valve Stations REQUIRED INTERNAL INSPECTION The authority having jurisdiction in your area may have estab- lished requirements for internal inspection frequencies. Verify these requirements by contacting the authority having jurisdic- tion in your area. WARNING •...
  • Page 23 ® Series 756 FireLock European Dry Valve Stations WARNING • Make sure the valve is depressurized and drained before removing the cover plate bolts. The cover plate will blow off if these bolts are removed while the valve is pressurized, resulting in serious personal injury and/or property damage.

  • Page 24: Maintenance

    21. Pry the clapper seal, along with the seal ring, out of the clapper, as shown above. Inspect the seal. If the seal is torn or worn, replace it with a new, Victaulic-supplied seal. Smaller diameters of seal ring and...

  • Page 25: Removing And Replacing Clapper Assembly

    ® Series 756 FireLock European Dry Valve Stations CAUTION • Use only Victaulic-supplied replacement seal assembly bolt/ bolt seal when reassembling the clapper. Failure to follow this instruction could cause improper sealing, resulting in valve leakage and/or property damage. Insert the seal washer carefully underneath the sealing lip of the gasket.

  • Page 26: Installing Cover Plate Gasket And Cover Plate

    Installing Cover Plate Gasket and Cover Plate Verify that the cover plate gasket is in good condition. If the gasket is torn or worn, replace it with a new, Victaulic-sup- plied gasket. Place the new clapper assembly onto the valve body seat ring so that the holes in the clapper arms align with the holes in the valve body, as shown above.

  • Page 27: Cover Bolt Torque Requirements

    Removing and Replacing Piston Assembly WARNING • Depressurize and drain the piping system Replace the piston with a new, Victaulic-supplied assem- before attempting to install, remove, or adjust bly. Make sure the o-ring is installed flush to the piston body.

  • Page 28: Troubleshooting - Series 753-A Dry Actuator/Anti-Flood Device

    Air decay rate of system is too slow. Make sure there are no restrictions in the inspector’s test connection. If the above procedures do not work, contact Victaulic. The dry accelerator does not set up properly Dry accelerator is installed upside down.

  • Page 29: Warranty

    HIM. Victaulic neither assumes nor authorizes any person to assume for it any other liability in connection with the sale of such products. This warranty shall not apply to any product which has been subject to misuse, negligence or accident, which has been repaired or altered in any manner outside of Victaulic's factory or which has been used in a manner contrary to Victaulic’s instructions...
  • Page 30 4901 Kesslersville Road • Easton, PA 18040 USA Phone: 610/559-3300 • Fax: 610/250-8817 e-mail: pickvic@victaulic.com VICTAULIC TOOL COMPANY VICTAULIC CONSTRUCTION PIPING SERVICES DIV. P.O. Box 31 • Easton, PA 18044-0031 1818 Vultee Street • Allentown, PA 18103 Phone: 610/559-3300 • Fax: 610/923-3090 Phone: 610/559-3488 •...

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