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Variable Area Flowmeters

GLASS TUBE ROTAMETER

Glass tube Rotameters are variable‑area flowmeters for measuring volumetric flow rates of liquids and gases. The construction includes a tapered glass tube with a float moving inside it.

As the glass is tapered from inside, a gap is created between the inside wall of the tube and the outer diameter of the float, and fluid flows through it. The external housing includes a frame, cover and end connections.

Specification:
Accuracy: ±2 % FS
Wetted parts: CS/MS/SS/PTFE‑lined / Rubber‑lined
Accessories: Flow‑switch for control
Applications:
Water / Pharma / Chemical / Fertilizers / Power / Petrochem / Refinery
Features:
• Max Temp 250 °F
• Max Pressure 25 Bar
• Channels 8, 16 or 24
• O/P 4‑20 mA (2 nos)
Glass Tube Rotameter Tabs

PG Series Glass Tube Rotameter

Glass tube Rotameters are variable‑area flowmeters for measuring volumetric flow rates of liquids and gases. The construction includes a tapered glass tube with a float moving inside it.

As the glass is tapered from inside, a gap is created between the inside wall of the tube and the outer diameter of the float, and fluid flows through it. The external housing includes a frame, cover and end connections.

Specification:
Accuracy: ±2 % FS
Wetted parts: CS/MS/SS/PTFE‑lined / Rubber‑lined
Accessories: Flow‑switch for control
Applications:
Water / Pharma / Chemical / Fertilizers / Power / Petrochem / Refinery
Features:
• Max Temp 250 °F
• Max Pressure 25 Bar
• Channels 8, 16 or 24
• O/P 4‑20 mA (2 nos)
MG Series Low‑Flow Rotameter

MG SERIES LOW‑FLOW ROTAMETER

  • Designed for small flow‑rate measurement, widely used in purging systems.
  • ¼″ line size; flow range 1 – 100 lph (water).
  • Accuracy ±3 % FS; wetted parts SS 316.
  • Built‑in needle valve for precise flow control.
  • Optional flow switch or DP regulator.

Specification

  • Accuracy ±3 % FS
  • Line size ¼″ NPT/BSP
  • Flow 1 – 100 lph (water)
  • Wetted parts SS 316
  • Integrated SS 316 needle valve
  • Optional accessories: Flow switch, DP regulator

Applications

  • Purge / flushing lines in analyzers
  • Gas sampling systems
  • Chemical dosing skids
  • Laboratory & pilot plants
  • Low‑flow lubrication monitoring

Features

  • Borosilicate glass measurement tube
  • Compact SS 316 frame & ends
  • Clear scale in lph
  • Field‑replaceable float & seals
  • Optional reed‑type alarm switch
MG Series Low‑Flow Rotameter

PC SERIES W ROTAMETER

  • Designed for small flow‑rate measurement, widely used in purging systems.
  • ¼″ line size; flow range 1 – 100 lph (water).
  • Accuracy ±3 % FS; wetted parts SS 316.
  • Built‑in needle valve for precise flow control.
  • Optional flow switch or DP regulator.

Specification

  • Accuracy ±3 % FS
  • Line size ¼″ NPT/BSP
  • Flow 1 – 100 lph (water)
  • Wetted parts SS 316
  • Integrated SS 316 needle valve
  • Optional accessories: Flow switch, DP regulator

Applications

  • Purge / flushing lines in analyzers
  • Gas sampling systems
  • Chemical dosing skids
  • Laboratory & pilot plants
  • Low‑flow lubrication monitoring

Features

  • Borosilicate glass measurement tube
  • Compact SS 316 frame & ends
  • Clear scale in lph
  • Field‑replaceable float & seals
  • Optional reed‑type alarm switch

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