Positive Displacement Flow Meters
From Flow Meter Supplier, Flow-Tech Industries

Flow-Tech Industries provides positive displacement meters for low flow applications, varying viscosities and custody transfers that are weights and measures approved and certified.

Our product line features:

  • 1/8 inch through 8 inch line sizes
  • Flows from 1 CC/Min (0.000264 GPM) to 1000 GPM
  • Pressures up to 7500 PSI
  • Materials: Polymers, Bronze, Aluminum, Stainless Steel
  • Mechanical register, resettable and accumulative, digital registers, electronic outputs; pulse, 4-20mA, ModBus, mechanical batch control, ticket printer

Liquid Controls Flow Meters

Liquid Controls Flow Meters Houston, TX

Liquid Controls Flow Meters provide exceptionally accurate service when using their unique positive displacement metering principle, even under variable operating conditions (changes in temperature, pressure and viscosity). Provides the energy efficient and functional performance desired from an economical volumetric measuring instrument. Available with traditional mechanical seal or glandless magnetic driven pulse output device. A wide range of accessories are available to meet almost every metering need.

Meter Features

  • High accuracy and repeatability
  • Low maintenance, no metal-to-metal contact in measuring chamber
  • Low pressure loss, a true gravity flow meter
  • Choice of aluminum, cast iron, and stainless steel materials of construction
  • Self-contained operation without electrical power or signal conditioning (for units equipped with mechanical registers, printers or presets); no special piping requirements
  • Electronic output and registration equipment where enhanced accuracy and electronic communications are needed
  • Weights & Measures approval (world-wide) for custody transfer with mechanical or electronic registration systems meeting API standards
Liquid Controls Positive Displacement Flow Meters

Liquid Controls MP Series PD Meters

  • 8, 10, 12 & 16" Sizes
  • Flow rates to 8000 GPM
  • ANSI 150# and 300# Connections.
  • Low Pressure Drop
  • Conforms to International Weights and Measures accuracy requirements
  • Wide Viscosity Range
  • Mechanical and Electronic Registers Available
  • High Volume Strainers and Air Eliminators Available

Electronic accessories designed and approved to Class 1 Div. 2 standards

Tuthill Flow Meters

Tuthill Flow Meters Houston, TX

Cost-effective high-performance Liquid Flow Meters for industrial, commercial, and municipal service. Tuthill flow meters are used in batching, blending, process control, and dispensing of liquid products in all liquid-handling industries.

  • ¼" Thru 3" Size
  • Aluminum, SS
  • Mechanical or electronic register, pulse output, 4-20mA output;
  • Pressures to 1500 PSI.

Tuthill Flow Meters
Meters and Pumps for DEF (diesel exhaust fluid) dispensing
  • Weight and Measures, NTEP Approved
  • 2-20 GPM, 316SS Construction
  • 8 GPM 12VDC, 20 GPM 115VAC Pumps



Total Control Systems

Total Control Positive Displacement Flow Meters

Total Control Systems is a leading manufacturer of measurement systems. Our world-class positive displacement flow meters are among the most accurate available in any industry and backed by excellent customer service, support and prompt deliveries. Our meters are used world-wide in a multitude of applications including Agriculture, Aviation, LPG. Refined Fuels, Industrial Chemicals and Alternative Fuels. Rotary vane & reciprocating piston type;


AW Flow Meters

AW Flow Meters

AW Gear Meters provides a comprehensive range of flow meters for the flow control industry – simple, accurate, cost-effective flow meter solutions for everyday use. Spur gear type; aluminum and stainless steel construction, digital registration, various output options.


Max Machinery Flow Meters

Max Machinery Positive Displacment Flow Meters

MAX Machinery builds quality products for extremely low flow applications and very high viscosity applications. Their line of piston type meters, gear meters and helical screw meters have been used in industry since 1958.


ZENNER Flow Meters

Zenner Flow Metes Houston, TX

Brass body, threaded or flanged connections. Sealed mechanical register or pulse output. Complies with AWWA C700 performance standards.


For more information about Positive Displacement Flow Meters, call our main number at 713.690.7474. You can also contact a Flow-Tech sales representative via email at [email protected].