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Neptune 3 FH trident turbine awwa class II
Old water meter with its cover open, showing the dial and an odometer reading about 5,757 gallons.
Close-up of an industrial gas valve with a round Neptune cap and bolted flange, used for pipeline control in facilities.
Industrial metal valve assembly with blue handwheel on the right and flange connections on both ends, used to open or close flow.
Industrial metal valve with a blue handwheel on the right and threaded ends, showing a worn surface and arrow marking on the body.
Industrial metal valve with a blue handwheel, shown from the front, used to shut off flow in piping.
Rusty metal T-joint with a large vertical crack, indicating a damaged pipe connection.
Industrial pressure regulator valve with a blue T-handle in a metal pipe assembly used to control flow and pressure.
Close-up of an industrial valve with a blue T-handle on a metal pipe connection, showing threaded ends and a flanged joint
Industrial pipe valve with a bolted flanged connection and a rusted, dusty surface, likely used to regulate flow in a pipeline, cap on top of the actuator.
Close-up of a rusted metal valve body with bolts on top and a threaded coupling to the right.
Front view of a heavy-duty metal valve with a blue handwheel and flanged connections.
Top-down view of a metal turbocharger housing with the turbine/compressor wheel visible inside the opening
Rusted industrial gate valve with bolted flange and threaded pipe end, viewed from above, on a white background.
Gas shut-off valve on a rusted metal pipe, featuring a round access cap and bolt-down flange with a red caution label nearby.
Inline industrial valve with a blue circular handwheel on the right and a metal body marked '3" FH triden turbine'.
Industrial pipe valve with a blue handwheel on the right, used to regulate fluid flow in a piping system.
Close-up of a weathered metal valve casting with embossed text: '3" FH Trident Turbine' and 'AWWA CLASS II'
Metal pipe fitting/valve with an embossed arrow indicating flow direction; dirty, worn surface.
Neptune 3 FH trident turbine awwa class II
Old water meter with its cover open, showing the dial and an odometer reading about 5,757 gallons.
Close-up of an industrial gas valve with a round Neptune cap and bolted flange, used for pipeline control in facilities.
Industrial metal valve assembly with blue handwheel on the right and flange connections on both ends, used to open or close flow.
Industrial metal valve with a blue handwheel on the right and threaded ends, showing a worn surface and arrow marking on the body.
Industrial metal valve with a blue handwheel, shown from the front, used to shut off flow in piping.
Rusty metal T-joint with a large vertical crack, indicating a damaged pipe connection.
Industrial pressure regulator valve with a blue T-handle in a metal pipe assembly used to control flow and pressure.
Close-up of an industrial valve with a blue T-handle on a metal pipe connection, showing threaded ends and a flanged joint
Industrial pipe valve with a bolted flanged connection and a rusted, dusty surface, likely used to regulate flow in a pipeline, cap on top of the actuator.
Close-up of a rusted metal valve body with bolts on top and a threaded coupling to the right.
Front view of a heavy-duty metal valve with a blue handwheel and flanged connections.
Top-down view of a metal turbocharger housing with the turbine/compressor wheel visible inside the opening
Rusted industrial gate valve with bolted flange and threaded pipe end, viewed from above, on a white background.
Gas shut-off valve on a rusted metal pipe, featuring a round access cap and bolt-down flange with a red caution label nearby.
Inline industrial valve with a blue circular handwheel on the right and a metal body marked '3" FH triden turbine'.
Industrial pipe valve with a blue handwheel on the right, used to regulate fluid flow in a piping system.
Close-up of a weathered metal valve casting with embossed text: '3" FH Trident Turbine' and 'AWWA CLASS II'
Metal pipe fitting/valve with an embossed arrow indicating flow direction; dirty, worn surface.

Neptune 3″ FH Trident Turbine Water Meter Assembly, AWWA Class II, Gallon Register with Gate Valve

Original price was: $950.00.Current price is: $525.00.

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Condition: Used; a visible crack/split in the attached valve body. Register lens and lid are present. Functional accuracy, calibration, sealing integrity, and valve operation are untested.

This Neptune 3″ FH Trident Turbine water meter assembly is a commercial/industrial flow-measuring unit designed for high-flow cold-water service where accurate metering of large volumes is required. The cast body is marked “3″ FH trident turbine AWWA Class II”, and the face register is marked Neptune, 3″ FH, and Gallons. The unit includes the turbine meter body, mechanical dial/register with hinged protective cover, bolted top plate, couplings/threaded end connections, and an attached handwheel-operated gate valve. Based on the visible construction, this is best suited for replacement, rebuild, parts recovery, training, display, or non-critical utility service after inspection and testing by a qualified technician.

Features

  • Manufacturer/Brand: Neptune
  • Product Type: Turbine water meter assembly
  • Model/Series Marking: Trident Turbine
  • Size: 3 inch
  • Register Marking: 3″ FH
  • Measurement Unit: Gallons
  • AWWA Class: Class II
  • Meter Style: Inline turbine meter
  • Register Type: Mechanical direct-read dial with odometer-style totalizer
  • Approximate Visible Reading: 00575570 gallons, based on image visibility
  • Body Construction: Heavy cast metal meter body
  • Top Cover: Bolted rectangular cover plate
  • Register Protection: Hinged metal lid marked “Made in U.S.A.”
  • Connection Style: Threaded/coupling-style ends visible in photos
  • Included Valve: Manual gate valve with blue handwheel
  • Flow Direction: Inline horizontal installation style
  • Service Type: Water metering, typically cold-water distribution or utility service

Applications

  • Municipal water metering systems
  • Commercial building water service lines
  • Industrial water distribution
  • Irrigation main-line monitoring
  • Utility test benches and training labs
  • Replacement parts source for older Neptune turbine meter installations
  • Rebuild core for waterworks service contractors
  • Non-potable water monitoring after proper inspection and compatibility confirmation
  • Collection/display item for water utility, plumbing, and metering equipment history

Technical Notes

This is a turbine-style water meter, which generally performs best in applications with steady flow rates and sufficient straight pipe runs before and after the meter. Turbine meters are commonly used where larger service lines require better flow capacity than small positive-displacement meters. Because this unit is used and visibly damaged at the valve, it should be treated as not ready for live pressurized service unless rebuilt, hydrostatically tested, leak-checked, and recalibrated.

The AWWA Class II marking indicates that the meter was manufactured to a recognized water-meter performance classification. For actual billing, compliance, or utility use, the buyer should verify current AWWA requirements, local utility standards, register compatibility, lay length, end-connection type, and calibration status.

Cross-Referenced Models

Possible related or cross-reference families may include:

  • Neptune Trident Turbine 3″ water meter
  • Neptune 3″ FH turbine meter
  • Neptune 3″ Trident Class II turbine meter
  • Neptune 3″ gallon-register turbine meter
  • Neptune T-10 / Trident utility metering assemblies, depending on service requirements
  • Neptune 3″ commercial water meter assemblies
  • 3″ AWWA Class II turbine water meters
  • 3″ flanged or coupling-end turbine water meter assemblies
  • 3″ turbine meter with mechanical register
  • 3″ water meter with gallon totalizer

Exact interchange must be verified by lay length, end connection, register type, flow range, utility approval, and service application.

Comparable Products

Comparable products from other water-meter manufacturers may include:

  • Badger Meter 3″ turbine water meter assemblies
  • Sensus 3″ turbine water meters
  • Master Meter 3″ turbine meters
  • Hersey / Mueller 3″ turbine water meters
  • Elster / Honeywell 3″ commercial turbine meters
  • McCrometer inline turbine flow meters
  • ABB, Seametrics, or other industrial inline flow meters for non-utility applications

Comparable selection depends on pipe size, flow range, pressure rating, register output, billing approval, potable-water certification, and whether the meter is used for municipal, commercial, or industrial service.

Larger System Compatibility

This meter can be part of a larger water-service assembly that may include:

  • Main water service piping
  • Upstream and downstream isolation valves
  • Strainers or flow conditioners
  • Backflow prevention assemblies
  • Meter setters or meter vault piping
  • Remote-read register systems
  • AMR/AMI utility reading equipment
  • Bypass piping for large commercial services
  • Pressure-reducing valve stations
  • Municipal billing and consumption monitoring systems

The attached gate valve appears to be part of the installed service assembly, but the visible crack in the valve body makes it unsuitable for reuse in pressurized service without replacement or professional evaluation.

Common Requests:

  1. Neptune 3 inch FH Trident turbine water meter AWWA Class II replacement
  2. Used 3 inch Neptune turbine water meter with gallon register
  3. Neptune Trident 3″ commercial water meter parts or rebuild core
  4. AWWA Class II 3 inch turbine meter for municipal water service
  5. 3″ water meter assembly with mechanical register and gate valve

Related

Neptune 3″ FH meter, Neptune Trident turbine meter, 3 inch turbine water meter, AWWA Class II water meter, commercial water meter, municipal water meter, gallon register meter, mechanical water meter register, inline turbine flow meter, water utility meter, industrial water meter, 3″ water service meter, cast body water meter, old Neptune meter, water meter rebuild core, replacement turbine meter, water consumption measuring device, device to measure water flow, utility flow measuring assembly, water meter with valve, gate valve meter assembly, parts meter, used waterworks equipment.

P127-1

Weight 32 lbs
Dimensions 25 × 13 × 12 in

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