WET ALARM CHECK VALVE ASSEMBLY
MODEL: SD-ECO-AVA / SDH-AVA / SD-AVA-300F /
SD-AVA-300G / SD-AVA-300FGA / SD-AVA-300FG
The SHIELD alarm check valve features a grooved seat alarm
port, an external by-pass, and removable hand hole cover which hinged to a
clapper assembly, it has both flanged inlet and outlet, the valve may be
installed vertically on a wet pipe sprinkler system, which is used to lock
water pressure fluctuations into the sprinkler system during providing the
capability of initiating the required fire alarm through a water motor alarm or
an electric pressure switch, which may use at constant pressure or variable
pressure water supplies.
Wet Alarm Valves are designed to hold back water pressure
in the piping system until the sprinkler is activated, to be used in wet pipe
sprinkler installations in buildings not subject to freezing temperatures.
Alarm Valve includes trim packages valves, gauges, pressure switch, fittings
and nipples to provide retard chamber connection, drain connections and alarm
test bybass.
Its assembled
with 4 items
| Model | SD-ECO-AVA |
| Nominal Size | 150 & 100 NB |
| End Connection | Flange x Flange |
| Rated Working Pressure | 175 PSI |
| Range of Working Pressure | 21 PSI TO 250 PSI |
| Testing Pressure | 350 PSI |
| Mounting | Vertical |
| Material | Grey Cast Iron |