Water Meter Installation
APROL is executing Metering project in Delhi to install about ~30000 mechanical Water Meters.Water meters are used for urban water management, especially for billing purposes.Water meters are major component in building efficient systems for water management. Since water meters are digitized and automated, high accuracy is maintained reducing human effort.
Type of residential water meters Used
Mechanical Water Meters
PD meters work on the principle of Positive Displacement and use either an oscillating piston or a nutating disc to measure the exact volume of water with each revolution (finite incremental amount). They can measure intermittent flow, low or high viscosity and are highly accurate. Their size is between ⅝ and 2 inches in diameter while their make could be stainless steel, brass or high impact plastic.
Velocity meters (internal capacity meters) measure the volume of water based on the speed of the flow and are categorised as single/multi-jet (port/s surrounding a chamber to form jet/s against an impeller) turbine (master meters for high flow/low viscosity) and compound meters (combination design for high and low flows).