AWWA Volumetric Piston Water Meter

Volumetric piston type (AWWA standard)

NWM PPD is Positive Displacement (Volumetric), Rotating Piston design water meter with Super Dry Type Register from size 5/8X1/2” to 2” designed by NWM and meets to AWWA C700.

OPERATION:
Water flows through the meter’s strainer and into the measuring chamber where it drives the piston. The hydro dynamically balanced piston rotates guided by a division plate. A driving magnet transmits the movement of the piston to a driven magnet located within the hermetically sealed register. The magnet is connected to  a  gear  train  which  translates  the  piston  rotates  into  volume  totalizators

displayed on the register dial face.

CONSTRUCTION:
NWM PPD bottom loaded Water Meter consists of three basic components: main case, measuring chamber and a sealed register. The main cases of all sizes are constructed using Brass Alloy or Bronze Alloy or Lead free Brass Alloy. Measuring Chambers are constructed of a durable synthetic polymer. Bottom plates are Brass Alloy. Registers are available as either direct read or electronic output with Plastic Register Cover and plastic Register Shroud, Brass Register Cover and brass Register Shroud AS OPTION.

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