Alarm Valve DN150 - 6in GG.jpg DN150 Wet Alarm Valve, LPCB Trim,GG.jpg DN150 Body GG.jpg

Model E Wet Alarm Valve (Grooved / Grooved)

  • FM Approved Logo Mid Grey 300.jpg
  • UL Logo Mid Grey.jpg
  • LPCB Logo Mid grey 556b-03.jpg
  • CE Logo Mid Grey 144.jpg
  • UKCA black Mid Gray.jpg
  • gost logo 300.jpg
Size range 100mm (4")
150mm (6")
Body type Groove / Groove
Working pressure 12 bar (175 psi)
Body material Cast Iron
Approvals FM, UL, LPCB, CE, UKCA, Gost

Rapidrop Model E wet alarm valves are designed for use in wet pipe sprinkler installations in buildings not subject to freezing temperatures.

This type of wet alarm valve is designed to automatically initiate electric or hydraulic alarm whenever there is a flow of water to one or more sprinklers.

A variety of trim packages are available to suit the requirements of the authority having jurisdiction and a number of accessories can be supplied including straps and padlocks, pressure switches, retard chamber and water motor alarm gong.

This valve must be installed vertically in the main supply to a wet pipe sprinkler system.

Dimensions & Weight

Model Sizes Face to Face (mm) Weight (kg) Connection Type

Model E


DN100/4” 286 19.1 Groove:
- DN100/4”: 114.3 OD
- DN150/6”: 165.1 OD (UK)
- DN150/6”: 168.3 OD
DN150/6” 287 22.7


Valve Components

Description Qty. DN80 DN100 DN150 Qty. DN200
Valve Body 1 1
Cover Plate Bolt 4 4
Cover Plate 1 1
Cover Plat1e Gasket 1 1
Clapper Shaft Retaining Plug 2 1
Clapper Shaft 1 1
Clapper  1 1
Clapper Nut 1 5
Clapper Bolt Lock Washer 1 5
Clapper Retainer 1 1
Clapper Gasket 1 1
Clapper Bolt 4 5
Clapper Seat Ring 1 1