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Bel-Art™ SP Scienceware™ Riteflow™ Unmounted Flowmeters

For corrosive and noncorrosive liquids and gases

$263.29 - $540.50


Accuracy ±2%
Pressure Rating 200psi
Float Material Glass and Stainless Steel
Length (English) 7.5 in.
Length (Metric) 19cm
View More Specs


Gaseous hydrofluoric acid may damage the glass.

Products in this grouping may have voltages other than the standard US 110/115V. Please review and confirm your selection before completing your order. Some of these products may not be returned.

Products ${productFamilyLength}
Catalog Number Mfr. No. Flow Rate Range Temperature Rating Price Quantity  
Catalog Number Mfr. No. Flow Rate Range Temperature Rating Price Quantity  
11-163-70A Bel-Art™
Glass: 0.02 to 31; Stainless: 0.09 to 1.25mL/min. 121°C Each for $263.29
11-163-70C Bel-Art™
Glass: 0.23 to 5.5; Stainless: 1.1 to 20.4mL/min. 121°C Each for $263.29
11-163-70E Bel-Art™
Glass: 1.6 to 53.5; Stainless: 5.4 to 130.4mL/min. 121°C Each for $263.29
11-163-70J Bel-Art™
Glass: 13.1 to 567.9; Stainless: 55.3 to 1369.9mL/min. 121°C Each for $348.40
11-163-72C Bel-Art™
Glass: 0.23 to 5.5; Stainless: 1.1 to 20.4mL/min. 65.5°C Each for $540.50
11-163-72G Bel-Art™
Glass: 3 to 209.5; Stainless: 19 to 506.3mL/min. 65.5°C Each for $540.50


Useful metering ratios are 10:1 or better. All flowmeters except size 1 may be used with dual float combinations to increase metering to 20:1. Pressure drop is negligible. Flow ranges are linear; low differential pressures are independent of flowrate changes.

  • Heavy-walled borosilicate glass tubes with fused ceramic scales are shock resistant and chemically inert
  • Can be used with almost any corrosive or noncorrosive gas or liquid
  • Choice of flowrate changes
  • Accurate over a wide range of gas and liquid flowrates: from 0.03 to 1812mL/min. for water, and from 2.5 to 60,888mL/min. for air
  • Accurate to within ±2% of full scale, with repeatability of ±0.25% of full scale
  • Calibration charts for air and water are included; charts for other gases and liquids are available from Bel-Art™ on request at no charge

Two types available: plain or guarded. With the guarded model, the flowmeter tube is enclosed in a clear plastic guard tube with two end bushings.

Order Info

All flowmeters have two floats: one glass and one stainless-steel, except size 5, which has one glass and one Carboloy™ float.

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Description & Specifications


Glass and Stainless Steel
7.5 in.