Transcription of ALARM VALVE - NAFFCO FZCO
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ALARM VALVE - NAFFCO FZCO
ALARM VALVE . MODEL: SDH-AVA. technical data : NOMINAL SIZE 200, 150, 100, & 80 NB. END CONNECTION Flange X Flange Flange X Groove Groove X Groove MAXIMUM Bar (250 PSI)*. WORKING PRESSURE. to open, allowing continuous flow of water into the THREADED OPENING BSPT. system and transmittal of ALARM , both electrical and mechanical. MOUNTING Vertical FLANGE CONNECTION ANSI #150 OPERATION. (Flange drilling mtaching to ANSI B #150) The fire protection system initially when being pressurized, will allow water to flow into the system TRIM Galvanlsed fitting with until the water supply and system pressure is Brass valves equalized and the clapper closes the waterway. Once the pressure is stabilized, the fire protection FACTORY HYDROSTATIC 35 (500 PSI) system is ready to be placed in service and then the TEST PRESSURE ALARM control VALVE must be opened. Under normal condition, the water pressure gauge connected FRICTIONAL LOSS IN 200 NB Mtrs.
TECHNICAL DATA : DESCRIPTION Alarm Valve is a double seated clapper check valve with grooved seat design, which ensures positive water flow for alarm operation and is designed for installation in wet pipe sprinkler system. External bypass prevents false …
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