Model EA Water Motor Alarm Gong

Model EA Water Motor Alarm Gong

  • FM Approved Logo Mid Grey 300.jpg
  • UL Logo Mid Grey.jpg
Inlet connection 3/4" NPT
Outlet connection 1" NPT
Working pressure 12 bar (175 psi)
Use Indoor or Outdoor
Approvals FM Approved, UL Listed

Rapidrop Sprinkler Alarm is a hydraulically driven mechanical bell. It does sound a continuous alarm when the sprinkler system operates. The impeller and drive shaft are energy efficient, made from lightweight non-metallic material and does not require any external lubrication. The gong, protection cover and motor housing are made of corrosion-resistant aluminium alloy.

Technical Data

Part Name Material
Model EA
Mounting Type Type - A & Type - B
Maximum Working Pressure 12.3 Kg./Sq.cm. ( 175 PSI )
Connection Inlet: 3/4" BSPT ( 3/4" NPT)
Drain: 1" BSPT ( 1" NPT )
Factory Test At low flow - 0.35 Kg./sq.cm.( 5 PSI )
At high flow - 7 Kg./sq.cm.( 100 PSI )
Gong Diameter 205mm ( 8" )
Gong Depth 50mm ( 2" )
Finish  Epoxy red powder coated
Weight 3.0 Kg.
Ordering Information Model & Mounting 

 

Material Specifications

Description Qty Material
Housing 1 Aluminium Alloy
Pelton Wheel 1 Delrin
Retaining Ring 1 SS 316
Drive Shaft Adaptor 1 Delrin
Bush 1 Aluminium Alloy
Protection Cover 1 Aluminium Alloy
Gong 1 Aluminium Alloy
Gong Post 1 Aluminium Alloy
Nylon washer 2 Nylon
Dome Nut 1 Aluminium Alloy
Hex. Hed Bolt 1 Plated Steel
Washer 1 S.S.
Striker Arm 1 Aluminium Alloy
Striker Washer 1 Aluminium Alloy
Striker 1 Fibre
Striker Bush 1 Aluminium Alloy
Striker Arm Bolt 1 Aluminium Alloy
Striker Arm Washer 1 Aluminium Alloy
Drive Shaft 1 Aluminium Alloy
Housing Cover 1 Aluminium Alloy
Gasket 1 Neoprene
Ch.Head Bolt 6 Plated Steel
Gong Sticker 1 PVC
Screw 1 Plated Steel