Tecfluid Plastic Tube Variable Area Flowmeter

Description

The PT / PS Series Plastic Tube Variable Area Flowmeters are designed for reliable and cost-effective measurement of liquid and gas flow in a wide range of industrial applications. Manufactured from transparent, high-performance technical plastics, these flowmeters offer excellent chemical resistance, lightweight construction, and clear local indication.

Thanks to their simple installation and easy readability, the PT/PS Series is well suited for continuous flow monitoring in utility and process systems where accuracy, durability, and affordability are essential.

Key Benefits

• Lightweight plastic construction
  Enables easy handling and installation while maintaining mechanical strength.

• Excellent chemical resistance
  Suitable for aggressive media across multiple industries.

• Clear local indication
  Transparent flow tube provides fast and reliable visual reading.

• Cost-effective solution
  Ideal for applications requiring dependable flow measurement at low ownership cost.

• Flexible configuration
  Multiple materials, connections, and output options available.

Technical Specifications

Measuring Ranges

• Liquids:
  4 l/h to 50 m³/h (H₂O at 20 °C)

• Gases:
  120 Nl/h to 1500 Nm³/h (air at 1 bar abs)

• Other calibrated scales: Available on request

Accuracy

• PT / PS models: ±4% of full scale

• PTM / PSM models: ±6% of full scale

Process Connections

• DIN flanges: DN15 to DN80

• Threaded fittings: ½” to 3” BSP

• PVC solvent-weld socket fittings

• Stainless steel weld fittings

• Other connection types available on request

Materials

• Flow tube: Trogamid T, Polysulfone, NAS

• Wetted parts / fittings:
  PVC, EN 1.4404 (SS 316L), carbon steel, PP

• Other materials: Available on request

Indication

• Local visual indication (standard)

Options & Outputs

• 1 or 2 adjustable reed switches

• 4–20 mA transmitter (up to 18-point resolution)

• Digital communication protocols available on request:
  HART™, PROFIBUS, Fieldbus

Typical Applications

• Water treatment and wastewater systems

• Reverse osmosis installations

• Cooling and heating circuits

• Gas flow monitoring and control

• Chemical, petrochemical, paper, and pharmaceutical industries

Download

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Catalogue

User manual