Transcription of DOUBLE INTERLOCK, PREACTION SYSTEM - HD Fire
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DOUBLE INTERLOCK, PREACTION SYSTEM - HD Fire
JUNE, 2019HD 128 PAGE 1 OF 6HD FIRE PROTECTPVT. LTD. DOUBLE interlock , PREACTION SYSTEM WITH ELECTRIC/PNEUMATIC RELEASESIZE 50, 80, 100, 150 & 200 NBDELUGE VALVE Model H3, UL ListedCHECK VALVE Model-CH SPRINKLER ALARM UL Listed (Optional)RELEASE PANEL UL Listed (Optional)WATER FLOW UL Listed SWITCHSOLENOID VALVE 24V DC, UL ListedAUTOMATIC AIR Oil-less Risermount SUPERVISOR Compressor (Optional)AIR pressure PMD-1 (Optional) MAINTENANCE DEVICE MANUAL SYSTEM UL Listed, Butterfly Valve - SHUTOFF VALVE Standard supply.
Valve from the system air pressure. Riser Check Valve provides an air check so that the system can be automatically pressurized with a supervisory air or nitrogen pressure of 42 PSI (2.94 Bar). A supervisory low pressure alarm switch can be set at 20 PSI (1.40 Bar), on decreasing pressure, to indicate whether
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