Flow Meters & Chart Recorders

Flow Meter & Chart Recorder
Replacement Parts

Barton 202 Differential
Pressure Chart Recorder

Barton 202 series chart recorders are the industry standard for accurate, reliable measurement and recording of pressure, differential pressure, and temperature in a wide variety of applications.


  • Rugged, lightweight die-cast aluminum case with built-in rain-shield Chart Drive
  • Available in battery versions with a wide variety of chart speeds (24 hr/7day standard)
  • Moisture-resistant, 7-point paper charts with high-grade copper engravings that eliminate eccentric and elliptical errors
  • 12” circular charts (standard), 8” circular chart for the J8 unit Recording Mechanism
  • All parts are stainless steel for long life
  • Pen mount is exceptionally rugged
  • Disposable pens with clear body for checking ink levels
  • Spec Sheet

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Totalflow µFLO G5
Flow Computer

Time tested, field proven, the μFLO G5 flow computer is known as an extremely accurate and reliable gas flow computer. The µFLO G5, features a new operating system, persistent memory, and supports linear liquid measurement. The integrated sensor and electronics are direct replacements and backwards compatible for existing μFLO models.


  • 26AH battery capacity
  • Powder-coated aluminum enclosure
  • Wall, pipe, or direct mounting
  • -40 to 158°F (-40 to +70°C) operating temperature
  • Spec Sheet

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Flow Meter Service & Repair

Calibration Services

We can calibrate both Barton and Totalflow units in-house, whether you bought it here or not. Our goal is to get our customers taken care of and back in the field as quickly as possible.

Repair & Refurbishment

Sometimes a unit just needs a little repair. In cases when replacement isn’t necessary, we can repair & refurbish Barton and Totalflow units to full operation.

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Product Categories

Meter Tubes

Seal Rings

Orifice Plates

Flow Meters

S-LOK Fittings & Valves