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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.

Hang these instructions

in a visible location on the

installed valve for easy

future reference.

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PRODUCT

Содержание FireLock 758-LPA Series

Страница 1: ...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...

Страница 2: ...ibility of personal injury Carefully read and fully understand the message that follows This product must be installed by an experienced trained installer in accordance with the instructions provided...

Страница 3: ...y floors invite accidents 9 Wear ear protection Your hearing should be protected if exposed to long periods of very noisy job site or shop operations 10 Keep visitors away All visitors should be kept...

Страница 4: ...all installation instructions before attempting assembly of Victaulic piping products Failure to do so could result in serious per sonal injury property damage and or valve leakage Piping systems must...

Страница 5: ...00 55 0 95 0 114 3 381 0 508 0 381 0 533 4 355 6 304 8 203 2 228 6 152 4 24 9 43 1 6 16 00 21 10 16 00 22 00 14 00 12 00 8 50 7 00 7 00 73 0 115 0 168 3 406 4 535 9 406 4 558 8 355 6 304 8 215 9 177 8...

Страница 6: ...e upper chamber SERIES 776 LOW PRESSURE ACTUATOR OPERATION Auto Vent Assembly Upper Chamber Diaphragm Shield Spring Pin Lower Chamber Lower Diaphragm Assembly Middle Chamber Wave Spring Upper Diaphrag...

Страница 7: ...PSI 160 PSI 140 PSI 120 PSI 100 PSI 80 PSI 60 PSI 40 PSI 20 PSI 300 PSI Heights are based on schedule 40 pipe and a sprinkler head 0 0 50 0 100 0 150 0 200 0 250 0 10 25 50 100 200 300 400 500 1000 1...

Страница 8: ...PSI 160 PSI 140 PSI 120 PSI 100 PSI 80 PSI 60 PSI 40 PSI 20 PSI 0 0 50 0 100 0 150 0 200 0 250 0 10 25 50 100 200 300 400 500 1000 6 165 1 mm MAXIMUM ALLOWABLE PILOT LINE HEIGHTS FOR SPECIFIC EQUIVALE...

Страница 9: ...0 0 250 0 300 0 10 25 50 100 200 300 400 500 1000 8 MAXIMUM ALLOWABLE WET PILOT LINE HEIGHTS FOR SPECIFIC EQUIVALENT LENGTHS Length of Pipe ft Maximum Pilot Line Height ft 200 0 225 PSI 200 PSI 180 PS...

Страница 10: ...nd that the piston rod and the latch engage properly It may be necessary to rotate the latch inward toward the valve body s center to ensure proper alignment 4e Tighten the piston until you achieve me...

Страница 11: ...tuation of a release device 7 Locate the test connection at the highest most hydrau lically demanding location in the release system The test connection should terminate with an orifice equal to the s...

Страница 12: ...tact of the pressure switch is set to 9 psi 62 kPa minimum Set the OFF contact of the pressure switch to 14 psi 97 kPa maximum Pilot Line Heights 1 Determine wet pilot line heights from the graphs on...

Страница 13: ...in 5b Allow the system to pressurize Confirm that water pressure is established The piston is now actuated and the clapper will now be set 6 Open the water supply drain valve This is the drain located...

Страница 14: ...air the affected parts 4 Confirm that the valve and trim are not subject to freez ing conditions 5 Verify that all system valves are in their normal operat ing position The owner is responsible for ma...

Страница 15: ...hed after closing the main drain Confirm that all ball valves are in their proper operating positions 12 Notify the authority having jurisdiction remote station alarm monitors and those in the affecte...

Страница 16: ...lve For minimum maintenance and inspection requirements refer to the NFPA pamphlet describing the care and maintenance of sprinkler systems More frequent full and partial flow tests may be required by...

Страница 17: ...ntenance system 7a Release pressure from the piston by tripping the inspector s test connection or by opening the manual release pull station Piping systems must always be depressurized and drained be...

Страница 18: ...le bolt washer from the clapper face 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 bolt...

Страница 19: ...y underneath the outer lip of the gasket Make sure the smaller OD of the outer seal retaining ring is toward the sealing surface of the gasket 2 Insert the inner seal retaining ring carefully undernea...

Страница 20: ...Place the clapper on the seat ring so that the clapper shaft can pass through both the body and clapper Make sure one spacer washer is placed on the outside of each clapper arm 2 Position the clapper...

Страница 21: ...elow Do not under tighten or over tighten these bolts Recommended Cover Bolt Torque Place the system back in service by following the Placing the System in Service section on page 12 Unscrew the pisto...

Страница 22: ...be free from defects in materials and workmanship under normal conditions of use and service Our obligation under this warranty is limited to repairing or replacing at our option at our factory any pr...

Страница 23: ...80239 Cust Care 800 742 5842 Cust Fax 888 448 3528 ATLANTIC 166 Thorn Hill Road Warrendale PA 15086 Cust Care 800 742 5842 Cust Fax 888 201 3517 PACIFIC NORTH 22633 83rd Ave So Kent WA 98032 Cust Car...

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