NMFIRE NFPA20 - 3.8 Flow Meter Installation

－29－
3.8 Flow Meter Installation
1. The installation site of the flow meter should not have a large vibration;
2. The flow meter shall be connected to the pipe at least 5 times the diameter of the pipe in
the front and 3 times the diameter of the pipe in the back.
FIGURE A.3.8 Flow Meter Installation
Flow meter
Valve
Valve
OS&Y gate vave
to fire pipe
network
From fire
water tank
to fire
water tank
Valve
Check Valve