2000 Series Glass Tube Purge Meters

Industries: Industrial , Semiconductor
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Series 2000 glass tube variable area purge meters are available in 100mm, 150mm and 300mm tube lengths and with optional fine threaded regulating valve for precise flow measurement. They are suitable for gas and liquid flow measurement and control.

Malema's 2000 series variable area purge meters use a tapered borosilicate glass tube with a fine threaded regulating valve for precise flow adjustment. Various flow tube lengths such as 100 mm, 150 mm and 300 mm are available. It's compact construction with reduced dimensions facilitates easy installation and mounting on control panels


  • Easy Installation
  • Short mounting length
  • No straight pipe required before or after the flow meter
  • Vertical mounting for rising fluid flow
  • Horizontal inlet & outlet connections
  • High & Low flow alarms (Optical, inductive or hall effect sensor)
  • Constant flow regulators RCA or RCD
Connections: [2100/2150/2300 models 1/4” BSP, NPT]; [2340 model 1/2” or 3/4” M BSP, NPT]
Measuring Ranges: 0,1 l/h ... 1000 l/h H2O; 1Nl/h ... 30 Nm3/h air
Accuracy: 2100 model ±3,5% f.s.,2150 model ±3% f.s.,2300/2340 models ±1,6% f.s.
Indication: Local indication


Materials: Flow tube: borosilicate glass; Wetted parts: EN 1.4404 (SS 316L); Float: EN 1.4404 (SS 316L), glass, plastic, ceramic



Options:1 or 2 adjustable switches (optical detector, inductive sensor or reed switch);Constant flow regulator RCD or RCA;Without valve


For additional specification details, please refer to the product data sheet located in the documentation tab of this web page.

  • Control panels
  • Pilot plants
  • Measurement and control on machinery
  • Water purification (osmosis)
  • Control of gas burners
  • Industrial and process refrigeration