Flowmeter with Control Valve and Changeable Measuring Tube

Application area Linear flow indication for gaseous and liquid ultra pure as well as... more

Application area

Linear flow indication for gaseous and liquid ultra pure as well as aggressive media at technical low-pressure experimental set-ups and pilot plants in the areas of chemical synthesis, medical engineering, process technology, environmental technology and biotechnology.

Product specification

Complete flowmeter with safety casing duct and a set of three differently dimensioned, calibrated precision measuring tubes well-suited to each other as well as involved needle fine valve for flow adjustment; calibration charts referring to media, pressure, and temperature for different overlapping measuring ranges for gases and just as much for liquids, per measuring tube size two different alternatively usable plummets for two measuring ranges of each kind of medium; laminar overflow channels for stabilization of the plummet position in the flowing medium; black etched scale on white background for correct read-out especially for optical remote reading. Securing pieces for the plummet at the ends of the measuring tube.

Technical specification

Material:

Measuring tube: borosilicate glass, clear

Plummet: borosilicate glass, black; stainless steel 1.4401 (SS 316)

Securing end pieces: PTFE (polytetrafluoroethylene)

Safety casing duct: PC (polycarbonate)

Casing duct connections: PP (polypropylene)

NPT connection: PTFE-FEP

Flow regulating valve: medium-contacting: PTFE, borosilicate glass, FPM

Measuring ranges

for borosilicate glass plummets:

Measuring tube size II: air: 1-280 ml/min.; water: 0.01-4 ml/min.

Measuring tube size III: air: 10-1,900 ml/min.; water: 0.2-36 ml/min.

Measuring tube size IV: air: 200-14,000 ml/min.; water: 3-300 ml/min.

Measuring tube size V: air: 1,000-36,000 ml/min; water: 10-850 ml/min.

Measuring tube size VI: air: 3,000-77,000 ml/min; water: 30-1,900 ml/min.

for stainless steel plummets:

Measuring tube size II: air: 2-500 ml/min.; water: 0.02 - 8.6 ml/min.

Measuring tube size III: air: 20-3,400 ml/min.; water: 0.43 - 77 ml/min.

Measuring tube size IV: air: 360-25,000 ml/min.; water: 6 - 640 ml/min.

Measuring tube size V: air: 1,800-64,000 ml/min; water: 21-1,820 ml/min.

Measuring tube size VI: air: 5,300-137,000 ml/min; water: 64-4,100 ml/min.

Reading accuracy: ±2 % of measured value

Connections: NPT 1/4" external thread

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