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Victaulic 751 FireLock Series, Installation, Maintenance, And Testing Manual, Page: 8 / 22

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Victaulic 751 FireLock Series Installation, Maintenance, And Testing Manual Download Page 8

 

Series 751 FireLock® Alarm Check Valve

 

7

 

SERIES 751 ALARM CHECK VALVE – TRIM ASSEMBLY DRAWING NUMBERS

SERIES 751 ALARM CHECK VALVE FOR USE WITH EXCESS PRESSURE PUMP 

 

(CANADA ONLY) – TRIM ASSEMBLY DRAWING NUMBERS

 

VALVE SIZE

Vertical Trim 

Drawing Number

Horizontal Trim 

Drawing Number

VALVE SIZE

Vertical Trim 

Drawing Number

Horizontal Trim 

Drawing Number

Nominal Diameter 

inches (mm)

Actual Outside 

Diameter 

inches (mm)

Nominal Diameter 

inches (mm)

Actual Outside 

Diameter 

inches (mm)

 

1

 

1

 

/

 

2

 

1.900

Z014751201

Z014751251

4

4.500

Z040751201

Z040751251

 

40

48,3

100

114,3

 

2

2.375

Z014751201

Z014751251

6

6.625

Z060751201

Z060751251

 

50

60,3

150

168,3

 

2

 

1

 

/

 

2

 

2.875

Z024751201

Z024751251

165,1 mm

6.500

Z060751201

Z060751251

 

65

73,0

165,1

 

76,1 mm

3.000

Z024751201

Z024751251

8

8.625

Z080751201

Z080751251

 

76,1

200

219,1

 

3

3.500

Z024751201

Z024751251

 

80

88,9

 

VALVE SIZE

Vertical Trim 

Drawing Number

Horizontal Trim 

Drawing Number

VALVE SIZE

Vertical Trim 

Drawing Number

Horizontal Trim 

Drawing Number

Nominal Diameter 

inches (mm)

Actual Outside 

Diameter 

inches (mm)

Nominal Diameter 

inches (mm)

Actual Outside 

Diameter 

inches (mm)

 

1

 

1

 

/

 

2

 

1.900

Z014751203

Z014751253

4

4.500

Z040751203

Z040751253

 

40

48,3

100

114,3

 

2

2.375

Z014751203

Z014751253

6

6.625

Z060751203

Z060751253

 

50

60,3

150

168,3

 

2

 

1

 

/

 

2

 

2.875

Z024751203

Z024751253

165,1 mm

6.500

Z060751203

Z060751253

 

65

73,0

165,1

 

76,1 mm

3.000

Z024751203

Z024751253

8

8.625

Z080751203

Z080751253

 

76,1

200

219,1

 

3

3.500

Z024751203

Z024751253

 

80

88,9

Summary of Contents for 751 FireLock Series

Page 1: ...ctions before attempting to install any Victaulic piping products Wear safety glasses hardhat and foot protection Save this installation maintenance and testing manual for future reference If you need...

Page 2: ...apper Seal for 4 6 inch 100 150 mm Size Valves 16 Removing and Replacing the Clapper Assembly All Sizes 17 Installing the Cover Plate Gasket and Cover Plate 18 Troubleshooting Series 751 Alarm Check V...

Page 3: ...d spring loaded components i e clapper assembly 8 Keep work areas clean Cluttered areas benches and slippery floors can create hazardous working conditions 9 PROTECT THE SYSTEM FROM FREEZING CONDITION...

Page 4: ...3 286 305 229 127 127 16 0 23 6 4 4 500 15 03 23 50 29 00 14 00 13 50 15 00 10 00 5 80 5 80 49 0 80 0 100 114 3 381 76 597 737 356 343 381 254 147 147 22 2 36 3 6 6 625 16 00 24 00 30 11 17 28 14 25 1...

Page 5: ...ssure Gauge 0 300 psi 0 2068 kPa 11 Series 705W Butterfly Valve Optional 5 Alarm Line Ball Valve NO 12 Style 005 FireLock Rigid Coupling Optional 6 Alarm Test Line Ball Valve NC 13 PS10 1 or PS10 2 Al...

Page 6: ...System s Main Drain Valve 3 Swing Check Valve 9 Series 760 Water Motor Alarm Optional 4 System Pressure Gauge 0 300 psi 0 2068 kPa 10 Series 705W Butterfly Valve Optional 5 Alarm Line Ball Valve NO 11...

Page 7: ...9 Clapper Spring 2 Clapper 10 Spacers Qty 2 3 Clapper Seal 11 Clapper Shaft 4 Seal Ring 12 Clapper Shaft Retaining Plug Qty 2 5 Seal Washer Not Used on 1 2 40 50 mm Valves 13 Cover Plate 6 Seal Retain...

Page 8: ...1 2 2 875 Z024751201 Z024751251 165 1 mm 6 500 Z060751201 Z060751251 65 73 0 165 1 76 1 mm 3 000 Z024751201 Z024751251 8 8 625 Z080751201 Z080751251 76 1 200 219 1 3 3 500 Z024751201 Z024751251 80 88...

Page 9: ...ntain an uninterrupted low pressure alarm that is installed on the piston charge line down stream of the check valve VALVE TRIM INSTALLATION 1 Make sure trim drawings match system requirements Refer t...

Page 10: ...water supply pressure gauge 8 Open the alarm line ball valve 9 Confirm that all valves are in their normal operating positions refer to table below 10 Notify the authority having jurisdiction remote...

Page 11: ...ea that the main drain test will be per formed 2 Confirm that sufficient drainage is in place for a full flow drain test 3 Record the water supply s pressure and the system s water pres sure 4 Close t...

Page 12: ...he proper water supply pressure 10 Open the alarm line ball valve 11 Confirm that all valves are in their normal operating positions refer to table below 12 Notify the authority having jurisdiction re...

Page 13: ...over plate bolts along with the cover plate and cover plate gasket WARNING Depressurize and drain the piping system before attempting to remove the cover plate from the alarm check valve Failure to fo...

Page 14: ...NOT USE SOLVENTS OR ABRASIVES 6 Inspect the clapper for freedom of movement and physical dam age Replace any damaged or worn parts by following the applicable instructions in the Maintenance section...

Page 15: ...ture that is under the seal washer and on the clapper seal WARNING Depressurize and drain the piping system before attempting to remove the cover plate from the alarm check valve Failure to follow th...

Page 16: ...clapper 9 Install the clapper seal into the clapper carefully Make sure the seal ring snaps into the clapper completely 10 Place the seal retaining ring onto the seal washer of the clapper seal 11 Ins...

Page 17: ...taulic supplied solid clapper seal 5 Make sure contaminants dirt and mineral deposits are removed from the clapper 6 Install the solid clapper seal into the clapper NOTE Make sure the sealing lip is p...

Page 18: ...g will drop out of position Keep the spacers and clapper spring for re installation 3 Remove the clapper from the valve body 4 Place the new clapper assembly onto the valve body seat ring Make sure th...

Page 19: ...stem in Service section starting on page 9 Installing the Cover Plate Gasket and Cover Plate 1 Verify that the cover plate gasket is in good condition If the gasket is torn or worn replace it with a n...

Page 20: ...ting on page 9 CAUTION DO NOT over tighten the cover bolts Failure to follow this instruction could cause damage to the cover plate gasket resulting in valve leakage Required Cover Bolt Torque Valve S...

Page 21: ...mage Make sure no debris is present on the clapper seal and seat Make sure there is no vacuum in the alarm line If a vacuum is present in the alarm line install the Series 752V Retard Vent Kit or crea...

Page 22: ...84 7444 Fax 905 884 9774 Phone 32 9 381 15 00 Fax 32 9 380 44 38 e mail viccanada victaulic com e mail viceuro victaulic be VICTAULIC AMERICA LATINA VICTAULIC ASIA PACIFIC P O Box 31 Easton PA USA 180...

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