missing translation for 'onlineSavingsMsg'
Learn More
Please login to your online account to display your discounted pricing

Bel-Art™ SP Scienceware™ Riteflow™ Guarded Flowtubes

Provides additional protection against breakage, especially when used under high pressure

Manufacturer:  Bel-Art™ H404020015

 View more versions of this product

Catalog No. 11-163-72M



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.

Includes: One flowmeter inserted into a plastic cylindrical guard which has two end bushings, 6.3mm (0.25 in.) NPT fittings and an O.D. of 25.4mm (1 in.)



Flowtubes, Guarded; Bel-Art Scienceware; Riteflow; Plastic cylindrical guard; Two end bushings; 6.3mm NPT fittings; O.D. of 25mm; Maximum operating pressure 200psig; Maximum operating temperature of 65.5deg. C; Size 3

  • 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
  • Maximum operating pressure 200 psig
  • Maximum operating temperature of 65.5°C (150°F)
  • 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

Order Info

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

Description & Specifications


6.3mm NPT