WM-PD Series Low Flow Water Meters

Piston Displacement Water Meter with NPT adapters (1/2" & 3/4")

Flow Meter Selection Guide | Digital Flow Meters | Mechanical Flow Meters

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

Documentation

WM-PD Series
Datasheet

WM-PD
Price List

WM-PD Series
Installation and Maintenance

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:

122°F
(Need a HOT water meter? - see our WM-NLCH)

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)

Configurator Help