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WM-PD Series Low Flow Water Meters

Piston Displacement Water Meter with NPT adapters (1/2" & 3/4")
Buy a WM-PD Series Low Flow Water Meter
low flow piston displacement meter

 

Low Flow Piston Displacement Flow Meters

The WM-PD series water meters are volumetric piston displacement water meters. These meters use a mechanical transmission to advance a hermetically sealed, 8-digit register. They are suitable for use with potable cold water, and hot water. There are two sizes available, 1/2 inch and 3/4 inch.

 

Typical Low Flow Meter Installation

low flow piston displacement meter

Features & Benefits

  • Flow Ranges: 4.3-1320 GPH
  • Body and internals constructed of high quality materials
  • Glass reinforced body is extremely durable
  • Liquid filled register prevents condensation and provides clear visibility in all atmospheric conditions
  • All models are equipped for addition of pulse output
  • Suitable for use on hot water (up to 122°F)
  • Mechanical operation is unaffected by magnetic fields
  • Built in check valve prevents reverse flow
  • Measures accurately in any orientation
  • Pulse Output optional
  • Tamper evident wire & seal

Typical Applications

  • Livestock water consumption measurement
  • Pond and pool leakage compensation
  • Drip irrigation systems

Specifications

Flow Ranges
  • 6.6 - 660 GPH up to 10.6 - 1056 GPH
Maximum Reading
  • 999,999.99
Materials
  • Housing: glass reinforced polyamide
  • Internals: graphite lubricated polystyrene, stainless steel
  • Liquid Surrounding Register: diluted Ethylene Glycol
  • Internal Seals: NBR (Nitrile Butadine Rubber)
  • Fitting to Body Seals: EPDM
End Connections
  • 1/2" or 3/4" male NPT (true-union)
Maximum Temperature: Maximum Pressure:
  • 150psi
Accuracy:
  • +/- 2% (normal flow range)
  • +/- 5% (min. to low end of normal)
Pulse Output: (optional)
  • 20 pulses per gallon (0.05 gallons per pulse)
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