Precision Turbine Liquid and Gas Flowmeters

For your complete Liquid and Gas Flow Measurement needs and increased accuracy, efficiency, and service life, Sponsler provides a complete line of high quality, precision turbine flowmeters to meet virtually all flow measurement applications. Sponsler flowmeters are available in stainless steel, corrosive series and feature a hydraulically balanced turbine for rugged, compact construction allows for the most accurate and reliable measurement available.

Design Applications

  • Liquid and Gas measurement.
  • Batching.
  • Blending.
  • Filling.
  • Process control.
  • Flow rates from .25 to 12000 GPM and .35 to 12000 ACFM.
  • Temperature range from -430 to +1000 F.
  • Compact light-weight construction.
  • Linear output.
  • High resolution.
  • Standard and custom design.
  • Variety of end fitting choices.

Characteristics curve       Typical viscosity curve

The Sponsler Precision Turbine Flowmeter measures volume by a contour mounted turbine in the flow stream. The AC signal output is detected by a transducer and interpreted by various electronic devices used for flow rate indication and totalisation. Sponsler Precision Turbine Flowmeters are manufactured to handle problems of viscosity, corrosive media, extreme temperature, and hazardous materials. Its compact and rugged design has established a new criteria for flow measurement, meeting today's for higher accuracy and reliability under severe operating conditions.


Typical Arrangement of Flowmeter and Readout Instrumentation



  • High pressure applications.
  • Custom and standard design.
  • Wide choice of bearings, including carbide for compatibility.
  • Interfaces with manual, semi-automated or completely automated systems.
  • Material compatible with application.
  • Custom design and system engineering service.


LIQUIDS: Specifications

  • Linearity: +/- 5%.
  • Premium Linearity: +/- 25% (over a specified range).
  • Repeatability: +/- 0.5%.
  • Premium Repeatability: +/- 0.2% (over a specified range).
  • Temperature: - 450° F to + 450° F std. + 1000° F available.
  • Materials: Precision Turbine Flowmeters are constructed of 300 and 400 series stainless steel. A variety of other materials are available to satisfy most applications, including CPVC for corrosive applications.
  • Electrical Output: A minimum of 30mV peak to peak at the minimum repeatable flow.
  • Pressure Drop: 4 psi at nominal rated flow range.
  • End Fittings: Include AN series 37°, flare tube (MS-33656), NPT, and ANSI flanges. Other end fittings available on request.
  • Operating Pressure: Accommodates unlimited pressures depending on end fittings.
  • Calibration: Precision Turbine Flowmeters furnished with standard fluid calibration. Special calibrations available.
  • Flow Ranges: from 25 to 12000 GPM.
  • Specifications based on ball bearings. Altering bearing selection may alter specification performance.

Typical Applications for Liquids

  • Cryogenic
  • Allyl Chloride
  • Adipic Acid
  • Chloride Leftovers
  • Gasoline
  • IPG
  • Brine
  • Anhydrous Ammonia
  • Mercaptans
  • Ethylene Diamino (EDA)
  • Ethylene Dichloride
  • Asphalt
  • Water, Fresh
  • Water, DI
  • Water, Salt
  • Perclyarphylene
  • Carbon Tetrachloride
  • Fuel Oils
  • Freon


GASES: Specifications

  • Accuracy: +/- 1% of full scale.
  • Repeatability: +/- 0.25%.
  • Temperature Range:  - 450° F to + 450° F STD. (+ 1000° F optional).

Sponsler Precision Turbine Gas Flowmeters are designed to measure actual cubic feet or actual volume passing through the meter. Before sizing a flowmeter it is necessary to convert flow units (i.e. SCFM.LPM, etc.) to actual units. To convert to actual measured volume (ACFM)  from standard volume (SCFM) use the following formula:

ACFM = SCFM X 14.7/Pa X Ta/530


ACFM   =   Actual cubic feet per minute measured gas flow.
SCFM   =   Standard cubic feet per minute gas flow.
Pa   =   Operating pressure in (PSIA)
    =   PSIG + 14.7
Ta   =   Temperature in degrees Rankine = F + 460

Note: For specific examples, consult supplier.

Typical Applications for Gases

  • Argon
  • Nitrogen
  • Oxygen
  • Air
  • Ammonia
  • CO2
  • Ethylene
  • Helium
  • Hydrogen
  • Methane
  • Methylchloride
  • Nitric Oxide
  • Nitrous Oxide
  • Steam
  • Acetylene
  • Sulphur Dioxide