Name: Liquid Controls M5 Water Meter - SamamCo
SKU: LC-M5-WTR

Liquid Controls M5 Water Meter

The Liquid Controls M5 is a rotary motion positive displacement flow meter engineered for high-accuracy custody transfer of refined petroleum products, aviation fuels, LPG, foods and beverages, and treated water. Its no-metal-to-metal contact design ensures sustained accuracy, minimal maintenance, and a long service life across a wide range of liquids and viscosities.

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Description

The Liquid Controls M5 is a rotary positive displacement meter providing industry-leading accuracy for custody transfer. Its unique three-rotor design eliminates metal-to-metal contact, significantly reducing internal wear and maintenance. Available in multiple material classes, the M5 is expertly engineered to handle everything from refined fuels to treated water and solvents.

Features

No metal-to-metal contact in the measuring chamber — no wear, sustained accuracy, fewer recalibrations
Low pressure drop — operates on gravity flow or pump pressure
Wide viscosity range: less than 30 SSU (<1 cP) to 1,500,000 SSU (325,000 cP)
Wide temperature range: −40 to +71 °C (−40 to +160 °F)
Right-angle design with choice of stock or custom elbows and fittings for maximum installation flexibility
Available in Aluminum or Stainless Steel construction
Seal options: Buna-N or Viton® (as specified by catalog number)
Bearing material options: Ni-Resist, Carbon, or Teflon® (size and class dependent)
Meets NTEP/NIST Handbook 44 and International Weights and Measures accuracy requirements
Compliant with U.S. Military specifications
Available in multiple meter classes to suit fluid compatibility requirements

Applications

Refined petroleum products and biodiesel
Aviation and jet fuels
LPG transfer
Liquid sugars, sweeteners, syrups, and vegetable oils
Treated, deionised, and demineralised water
General solvents and petrochemicals
Crude oil

Certifications

NTEP / NIST Handbook 44 approved
International Weights and Measures approved
U.S. Military specification compliant

Specifications

Parameter	Value
Technology	Rotary Motion Positive Displacement (PD)
Max Flow Rate	60 GPM (227 LPM)
Flange Size	1-1/2 in. (standard), 2 in. (optional)
Max Pressure	150 psi (10.3 bar / 1,034 kPa)
Operating Temperature Range	−40 to +85 °C (−40 to +185 °F)
Viscosity Range	<30 SSU (<1 cP) to 1,500,000 SSU (325,000 cP)
Body Material	Aluminum or Stainless Steel
Seal Options	Buna-N or Viton®
Accuracy — Mechanical (10:1 range)	±0.22% or better from max nominal flow rate
Accuracy — Electronic (10:1 range)	±0.10% or better from max nominal flow rate
Accuracy — Mechanical (40:1 range)	±0.5% or better from max nominal flow rate
Accuracy — Electronic (40:1 range)	±0.15% or better from max nominal flow rate

Meter Classes and Bearing Materials

Class	Description	Bearing Material
1	Refined petroleum products	Ni-Resist*
2	Aviation and jet fuel	Ni-Resist*
3	Liquid sugars, sweeteners, syrups, vegetable oils	Ni-Resist*
4	Treated waters and solvents — no red metals	Carbon
14	Crude oil	Ni-Resist
16	General solvents	Carbon