GERAND FLOW METERS
MODEL-M FIRE PUMP TEST METER
- RATING 175 PSI -
A calibrated venturi and attached GPM meter installed on the discharge of a fire pump to accurately determine pump performance.
6" dial meter is shipped for mounting on venturi bracket. If meter is to be remote mounted, consult factory on special hose lengths.
the most common and additional Model " M" FM approved pump GPM/ Line size combinations of fire pump test meters.
Dual LPM/ GPM Scales Available.
OPERATING INSTRUCTIONS FOR GERAND FIRE PUMP TEST METER
1. Close system OSY Valve " A" .
2. Open By-Pass valve and " B" Butterfly Throttle Valve.
3. Purge meter located on venturi as follows:
Open station shut-off valves ( below meter) and vent valves ( above meter) .
When a steady stream of water is passing through each plastic hose, meter is purged of air. Close vent valves after air purging.
4. Start fire pump and read meter in GPM.
5. Refer to pump GPM requirement and adjust Throttle Valve for this requirement.
6. After test, open OSY Valve " A" and close By-Pass and " B" Valves. .
0 komentar:
Posting Komentar