Victaulic 751 FireLock Series Manuale utente

Installation,

Maintenance, & Testing Manual

Series 751

FireLock

European

Alarm Check Valve Stations

Hang these instructions on the

installed valve for easy future reference.

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.

VdS

0786

Series 751 FireLock

European Alarm Check Valve Stations

TABLE OF CONTENTS

Hazard Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Installer Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Trim Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Exploded View Drawing – Trim Components . . . . . . . . . . . . .4

Exploded View Drawing – Internal Valve Components . . . . . .5

Important Installation Information . . . . . . . . . . . . . . . . . . . . . .5

Placing the System in Service . . . . . . . . . . . . . . . . . . . . . . . . .6

External Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Monthly Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Required Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Main Drain Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Water Flow Alarm Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Required Internal Inspection . . . . . . . . . . . . . . . . . . . . . . . . .10

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Removing and Replacing Clapper Seal for

DN 100 and DN 150 Size Valves . . . . . . . . . . . . . . . . . . . .12

Removing and Replacing Clapper Assembly . . . . . . . . . .13

Installing Cover Plate Gasket and Cover Plate . . . . . . . . . 14

Troubleshooting – Series 751 Alarm Check Valve . . . . . . . . .16

Facilities Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B/C

HAZARD IDENTIFICATION

Definitions for identifying the various hazard levels are provided

below.

This safety alert symbol indicates important safety

messages. When you see this symbol, be alert to

the possibility of personal injury. Carefully read and

fully understand the message that follows.

WARNING

The use of the word “WARNING” identiﬁes the presence

of hazards or unsafe practices that could result in death

or serious personal injury if instructions, including rec-

ommended precautions, are not followed.

CAUTION

The use of the word “CAUTION” identiﬁes possible haz-

ards or unsafe practices that could result in personal

injury and product or property damage if instructions,

including recommended precautions, are not followed.

NOTICE

The use of the word “NOTICE” identiﬁes special

instructions that are important but not related to

hazards.

Series 751 FireLock

European Alarm Check Valve Stations

INSTALLER SAFETY INSTRUCTIONS

General

Read and understand all instructions before proceed-

ing with the installation, maintenance, and testing of this

Victaulic fire protection device.

Use only recommended accessories.

Use of improper

accessories or equipment could result in improper system oper-

ation.

Avoid dangerous environments.

If using electrically

powered tools for installation, make sure the area is moisture-

free. Keep work areas well lit. Allow enough space for installing

the device, trim, and accessories safely and efficiently.

Prevent back injury.

Larger and pre-trimmed valves are

heavier and may require more than one person or mechanical

lifting equipment to position and install the assembly properly.

Always practice proper lifting techniques.

Inspect the shipment.

Make sure all components are in-

cluded with the shipment and that all necessary tools are avail-

able for proper installation.

Wear safety glasses, hardhat, foot protection, and

hearing protection.

Protect your hearing if you are exposed to

long periods of very noisy job-site operations.

Watch for pinch points.

Do not put fingers under the

valve body where they could be pinched by the weight of the

valve. Use caution around spring-loaded components (i.e. clap-

per).

Keep work areas clean.

Cluttered areas, benches, and

slippery floors can create hazardous working conditions.

Keep visitors away.

Keep all visitors a safe distance

away from work areas.

Maintenance and Testing

Notify the authority having jurisdiction.

Always notify

the authority having jurisdiction before taking a fire protection

system out of service or before performing any maintenance that

eliminates the fire protection provided by the system.

Depressurize and drain the system completely before

performing any maintenance.

Water under pressure, trapped

air, or system air pressure may be present and can create haz-

ardous conditions.

Contact the local authority having jurisdiction for test-

ing and inspection schedules.

Keep the system away from freezing, corrosive atmos-

pheres, and foreign matter.

Any condition that might degrade

the system or affect system performance must be avoided.

WARNING

• An experienced, trained installer must install this product in accordance with all instructions. These instructions contain

important information.

Failure to follow these instructions could cause product failure, resulting in serious personal injury and/or property damage.

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.

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.

Series 751 FireLock

European Alarm Check Valve Stations

INTRODUCTION

The following instructions are a guide for proper installation of Victaulic Series 751 Alarm Check Valves. These instructions involve pipe

that is properly prepared and grooved in accordance with current Victaulic specifications.

TRIM DIMENSIONS

Valve

Size

Dimensions – centimeters Approx.

Weight

Each

kgA* A

CDEFGH I JK

DN100 38,18 50,66 59,00 202,00 16,13 22,33 24,45 28,68 7,00 19,33 33,00 33,00 7,22 54,0

DN150 40,64 56,32 61,00 206,00 18,60 25,48 33,00 38,00 – 20,30 36,00 38,00 3,20 69,0

*The “A” dimension is the measurement from the top of the valve body to the bottom of the valve body (takeout dimension).

NOTE: Overall height “B” is greatest height if optional retard chamber is not installed.

C D H

J I

Series 751 FireLock

European Alarm Check Valve Stations

EXPLODED VIEW DRAWING – TRIM COMPONENTS

Series 751 FireLock™ European Alarm Check Valve Stations

(Optional Accessories Also Shown)

Grooved X Grooved

WATER MOTOR

ALARM

SERIES 760

150

³⁄₄

LISTED

To Drain

Water

Supply

BILL OF MATERIALS

1 Series 751 FireLock European Alarm Check Valve 10 EPS-10 Alarm Pressure Switch

2 Style 005 FireLock Rigid Coupling 11 Alarm Line Ball Valve (Lockable - Normally Open)

3 Series 705W Butterfly Valve 12 Series 760 Water Motor Alarm

4 Gauge Valve with ³⁄₄-inch Strainer - 100 mesh (Optional)

5 Water Supply Pressure Gauge (0-25 Bar) 13 Series 752 Retard Chamber (Optional)

6 Swing Check Valve 14 System Main Drain Valve

7 Restricted Orifice/Alarm Line Drain 15 System Test Valve

8 Reducer 16 System Pressure Gauge (0-25 Bar)

9 Reducing Bushing

System

Normally

Open

(Lockable)

Optional

Retard

Chamber

Series 751 FireLock

European Alarm Check Valve Stations

EXPLODED VIEW DRAWING – INTERNAL VALVE COMPONENTS

IMPORTANT INSTALLATION INFORMATION

Before installing the Series 751 Alarm Check Valve, flush

the water supply piping thoroughly to ensure that no foreign ma-

terial is present.

The Series 751 Alarm Check Valve MUST NOT be located

in an area where the valve is subject to freezing temperatures or

physical damage.

It is the owner’s responsibility to confirm material compat-

ibility of the Series 751 Alarm Check Valve, trim, and associated

accessories when a corrosive environment or contaminated wa-

ter is present.

Series 751 Alarm Check Valves MUST be installed in the

vertical position only. The arrow on the body must point upward,

and the arrow on the swing check valve in the bypass line must

point upward.

The Series 752 Retard Chamber should be installed in

variable pressure applications. Victaulic provides specific trim

drawings for installations that involve a Series 752 Retard Cham-

ber.

Confirm that all installation information is available.

Remove all plastic caps and foam spacers from the valve.

Install the Victaulic Series 751 Alarm Check Valve in ac-

cordance with the applicable trim drawings. Make sure the trim

drawing matches the system’s requirements (i.e. retard cham-

ber for variable pressure installations).

BILL OF MATERIALS

1 Valve Body 7 Seal-Retaining Ring

2 Clapper Shaft Retaining Bushing (Qty. 2) 8 Bolt Seal

3 Clapper Shaft 9 Seal Assembly Bolt

4 Clapper 10 Cover Plate Gasket

5 Clapper Spring 11 Cover Plate

6 Clapper Seal 12 Cover Plate Bolts (Qty. 7)

CAUTION

• Make sure foam spacers are removed before

attempting to install the valve.

Failure to follow this instruction could cause

improper valve operation, resulting in serious per-

sonal injury and/or property damage.

Series 751 FireLock

European Alarm Check Valve Stations

PLACING THE SYSTEM IN SERVICE

Confirm that system drains are shut and the system is free

of leaks.

Open the auxiliary drains.

Close the alarm line ball valve (11) to prevent alarms from

operating while the system is filling. Alarms and electrical panels

(controlled by an alarm flow switch on the riser) cannot be inter-

rupted.

NOTE:

If alarm activation is possible, notify local fire

companies that the system is being serviced.

Open the water supply’s main control valve (3) slowly.

4a.

Allow the system to fill with water completely. Allow water

to flow from the auxiliary drains to release all trapped air from the

system.

4b.

When a steady flow of water occurs and all air is released

from the system, close the auxiliary drains in the system.

4c.

Record the system pressures. The system pressure

gauge (16) should be equal to or greater than the water supply

pressure gauge (5).

Open the alarm line ball valve (11). Lock the ball valve, as

required.

Confirm that all valves are in their normal operating posi-

tions.

Notify the authority having jurisdiction, remote station

alarm monitors, and those in the affected area that the system is

in service.

CAUTION

• Make sure the Series 751 Alarm Check 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.

CAUTION

• For proper operation of alarms in a wet system, it is important to ensure

that all air is removed from the system. Auxiliary vents may be required to

release all trapped air from the system.

Failure to follow these instructions could cause improper valve operation,

resulting in personal injury and/or property damage.

CAUTION

• Take precautions when opening the water supply’s main control valve,

since water will ﬂow from all open system valves.

Failure to follow this instruction could cause personal injury and/or property

damage.

CAUTION

• The alarm line ball valve must be open to allow alarms to activate.

Failure to follow this instruction will prevent alarms to activate, resulting in

serious personal injury and/or property damage.

Series 751 FireLock

European Alarm Check Valve Stations

EXTERNAL INSPECTION

Monthly Inspection

Victaulic recommends a visual inspection of the alarm check

valve and trim on a monthly basis.

Record the system’s pressure and the water supply’s

pressure. It is normal for the system’s water pressure to be high-

er than the water supply’s pressure due to the check valve trap-

ping pressure surges above the clapper. Confirm that the water

supply’s pressure is in the range of normal pressures observed

in the area. A significant loss in supply pressure could indicate

an adverse condition in the water supply.

Check for mechanical damage or corrosion. If damage or

corrosion is present, replace the affected parts.

Confirm that the valve and trim are not subject to freezing

conditions.

If the valve is installed in a variable pressure system, con-

firm that no excessive leakage is occurring from the restricted

orifice/alarm line drain. It is normal for some leakage, since pres-

sure surges lift the clapper and allow water into the intermediate

chamber.

5. Verify that all valves are in their normal operating positions.

REQUIRED TESTS

Main Drain Test

The authority having jurisdiction in your area may require the

main drain test on a more frequent basis. Verify these require-

ments by contacting the authority having jurisdiction in your

area.

1. Notify the authority having jurisdiction, remote station

alarm monitors, and anyone in the affected area that the main

drain test will be performed.

2. Confirm that sufficient drainage is in place for a full-flow

drain test.

3. Record the water supply pressure.

4. Close the alarm line ball valve (11).

5. Open the system main drain valve (14) fully.

5a. With the system main drain valve fully open, record the

water supply pressure as the residual pressure.

CAUTION

• Any activities that require taking the valve out of

service may eliminate the ﬁre protection provided.

• Before servicing or testing the system, notify the

authority having jurisdiction.

• Consideration of a ﬁre patrol should be given in the

affected areas.

Failure to follow these instructions could cause seri-

ous personal injury and/or property damage.

NOTICE

• The owner is responsible for maintaining the ﬁre protection system in

proper operating condition.

• It is important that the system is inspected regularly, according to proper

procedures.

• The Victaulic Series 751 Alarm Check Valve and trim must not be exposed

to foreign material, corrosive environments, freezing conditions, contami-

nated water supplies, or any other condition that could impair proper sys-

tem operation.

• Modify the frequency of inspections in the presence of any environmental

conditions that could degrade system operation.

• The authority having jurisdiction may have additional maintenance, inspec-

tion, and test requirements.

NOTICE

• If you do not want to activate alarms, close the alarm line ball valve

Series 751 FireLock®European Alarm Check Valve Stations

6. Close the system main drain valve (14) slowly.

6a. Record the water pressures established after closing the

system main drain valve.

6b. Compare the residual pressure reading, taken above, to

the residual pressure readings taken in previous main drain

tests. If there is degradation in the residual water supply read-

ings, restore the proper water supply pressure.

7. Open the alarm line ball valve (11), and make sure all

valves are in their proper operating positions.

8. 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, as required, to the authority

having jurisdiction.

Water Flow Alarm Test

The authority having jurisdiction in your area may require the wa-

ter flow alarm test on a more frequent basis. Verify these require-

ments by contacting the authority having jurisdiction in your

area.

1. Notify the authority having jurisdiction, remote station

alarm monitors, and anyone in the affected area that the water

flow alarm test will be performed.

2. Verify that the alarm line ball valve (11) is open.

3. Open the system test valve (15) fully, as shown above.

Confirm that mechanical and electrical alarms are activated.

Confirm that remote monitoring stations, if provided, receive an

alarm signal. NOTE: There may be a time delay if a retard cham-

ber (13) is installed in the trim assembly.

4. Close the system test valve (15) after proper operation of

all alarms is verified.

5. Verify that all alarms stopped sounding, that the alarm line

drained properly, and that remote station alarms reset properly.

CAUTION

• The alarm line ball valve must be open to allow alarms to activate.

Failure to follow this instruction will prevent alarms to activate, resulting in

serious personal injury and/or property damage.

Series 751 FireLock®European Alarm Check Valve Stations

6. Push in the plunger on the restricted orifice/alarm line

drain (7), as shown above.

7. Verify that no water is flowing from the restricted orifice/

alarm line drain (7).

8. Notify the authority having jurisdiction, remote station

alarm monitors, and those in the affected area that the valve is

back in service.

9. Provide test results to the authority having jurisdiction, if

required.

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