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Glass Tube Flow Meters

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  • Cost-effective small purgemeter
  • Low-cost measuring principle without auxiliary power
  • Accuracy: ±2.5%
  • Fine metering of very small volumes of liquids and gases
  • Integrated high quality needle valve in foot or head piece
  • Stainless steel fittings
  • SIL 2 compliant for use in Safety Instrumented Systems (SIS)
  • No wearing parts
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Glass Tube Rotameter Introduction

Glass Tube Rotameter is a Variable Area Flow Meter. A rotameter consists of a tapered tube, typically made of glass, with a 'float' made of SS or PTFE. The differentila pressure across the annulus area is constant. The float moves through the tapered tube up and down with respect to fluid flow. The vertical position of the float as indicated by scale is the measure of the instantaneous flow rate.

Glass Tube Rotameter Features

    •  Heavy Duty Design with Maximum Visibility

    •  Two Tone Powder Coated Excellent Finish

    •  No Threads in Body, Avoids Corrosion

    •  Easy to Maintain and Replace

    •  Suitable for on Line Installation

    •  Single Piece (Joint-less) PTFE/ PFA/ PP cladded end connections

Glass Tube Rotameter Specification

Materials of Construction

Performance

Tube : Borosilicate Glass

Float : SS316, PTFE, other on request

Packings : Neoprene, PTFE, Silicon, VITON

End Fitting : Mild steel, Carbon steel, SS304, SS316,

CF-8M, CF8, Cast Iron PTFE lined,

SS lined, PVC, and any other desired material

subject to its availability.

Frame & : Mild Steel, SS (optional)

Cover

Accuracy : ± 2% of full flow

Repeatability : 0.5%

Rangeability : 10:1

Scale length : 175-200 mm,

250mm (Optional), 500 mm (optional) 0

Max. Temp. : Up to 200 C,

depending upon gland packing material

Connections : Flanged or Threaded

Enclosure : IP 55 or IP65 on request


Model
DN (mm)
Measure range (L/H)
Accuracy
(±%)
Medium
D
E

Water(20℃)
Air (101325Pa 20℃)
Working temp
Working Pressure

DK800-4
DK800-4F
4
0.25-2.5
0.5-5
0.8-8
1.6-16
4-40
6-60
2.5
-20℃~
+120℃
≤1.0MPa
φ11
M10×1

DK800-6
DK800-6F
6
0.5-5
1.2-12
2.5-25
4-40
6-60
10-100
16-160
10-100
25-250
50-500
80-800
100-1000
180-1800
240-2400
300-3000
350-3500
430-4300



-Manuals

Glass Tube Rotameter

-Data sheet


Glass Tube Rotameter Application

Glass rotameter flow meter is used to measure the instantaneous single-phase non-pulasting flux of liquid or gas in pipe in areas such as chemical,pertolum.medicine,dirtilizer ,food, sugar refinery,paper making,light industry ,textile,printing and dyeing,envirnmental pretection etc.PTFE,the high quality corrosion resistant material is used at the main contact parts of the corrosion resistant glass rotameter flow meter to contact the medium, it has a very good perfotmance of corrosion resistance in measuring various kinds of flow of strong acid(except hydroflucric acid) alkali,oxidant ,strong oxidation acid.organic solvent and other corrosive gas and liquid.


  Various industries

  • Process or carrier gases

  • Purge fluids for measuring systems

  • Air or water

  • Nitrogen, CO2 or other inert gases

  • Sample flow monitoring in gas analysers etc.

  • Gas sparging in liquids


  Conventional and nuclear power industry

  • Air, gases (nitrogen, hydrogen, methane etc.)

  • Water


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