VAN BÁO ĐỘNG UL-FM


                    ALARM VALVE MODEL H                     WATER MOTO GONG BELL                            RETARD CHAMBER
 

 
 
SPECIFICATION

  • Ductile Iron material to ASTM - A536
  • Flanged x Flanged, Grooved x Grooved and Grooved x Flanged available
  • Rated for maximum 17.5 Bar (250 PSI) operating pressure
  • Size: 80, 100, 150 and 200 NB
  • Variable Pressure Trim with Retard Chamber and Water Motor Gong
  • Constant Pressure Trim available as an option
  • Epoxy painted internally & externally
  • UL Listed and FM Approved
SPECIFICATION

  • Hydraulically operated mechanical bell used along with fire protection system valves
  • Corrosion resistant Aluminium alloy material, epoxy coated all over
  • Wall mounted or direct online mounting type
  • UL Listed and FM Approved
SPECIFICATION

  • HD Retarding Chamber is used with Alarm Valve Trim when variable
  • pressure is anticipated in the system. It is a holding tank to prevent sounding of Sprinkler Alarm during water pressure surge
  • Material Stainless Steel
  • Connection N 3/4" BSPT (F)
  • UL Listed and FM Approved
DOWNLOAD CATALOGUES

HD_247_Alarm_Valve_Model-H.pdf
DOWNLOAD CATALOGUES

sprinkler_alarm.pdf
DOWNLOAD CATALOGUES

retard_chamber.pdf
     
     
   
     


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