Flow indicator FQ

Mechanical Flow Indicator for Reliable Visual Monitoring of Liquid Flow

The FQ Flow Indicator is a robust mechanical flow indicator designed for the continuous visual indication of liquid flow in industrial piping systems. It operates without any external power, using a stainless steel flap that rises with the flow rate to provide a direct visual indication of the flowing medium. Featuring a double-sided viewing window, natural glass, and excellent temperature resistance, the FQ Flow Indicator is ideal for monitoring water, oil, and other compatible liquid media in industrial processes.

Key Features:

  • 👁️ Direct Visual Flow Indication

    A stainless steel flap moves with the flowing liquid, providing an immediate visual indication of flow presence and approximate flow rate without electrical power.

  • 💎 Double-Sided Viewing Window

    Features a large double-sided natural glass window for clear visibility from multiple directions, making process inspection quick and convenient.

  • 🌡️ High Temperature Resistance

    Designed to withstand media temperatures up to 100°C for water and 200°C for oil, ensuring reliable operation in demanding industrial applications.

Key Features:

  • 🛡️ Durable Metal Construction

    Constructed with red bronze housing, stainless steel internal components, and high-quality sealing materials for excellent corrosion resistance and long service life.

  • ⚙️ Multiple Connection Sizes

    Available in DN15, DN20, and DN25 with G½, G¾, and G1 female threaded connections to suit various pipeline installations.

  • 🔧 Maintenance-Free Operation

    Its simple mechanical design requires no external power, wiring, or regular maintenance, making it a dependable solution for continuous flow monitoring.

Applications:

  • 💧 Water Distribution Systems

    Ideal for monitoring water circulation in cooling systems, treatment plants, and utility pipelines.

  • 🛢️ Oil & Lubrication Circuits

    Suitable for hydraulic oil, lubrication systems, and industrial cooling oil applications.

  • 🏭 Industrial Process Plants

    Provides reliable visual confirmation of liquid flow in chemical, manufacturing, and process industries.

  • ⚙️ Pumps & Process Equipment

    Helps operators verify proper flow through pumps, heat exchangers, filters, and process equipment to improve operational safety.

Why Choose This Solution?

The FQ Flow Indicator delivers dependable visual flow monitoring with a rugged mechanical design, making it an ideal solution for industrial liquid flow applications.

Instant Flow Verification

Mechanical flap provides immediate visual confirmation of flow.

Excellent Visibility

Double-sided natural glass window ensures easy monitoring from either side.

High Temperature Performance

Suitable for hot water and oil applications.

Maintenance-Free Design

No electrical supply required, ensuring reliable and long-lasting

Related Products

Stainless steel LABOPLUS-MR1 flow transmitter/switch with threaded process connection for precise industrial flow monitoring.
Flow Transmitter Switch LABOPLUS-MR1
Transparent Flow Indicator Switch GK with vertical flow tube, red flow markers and graduated scale, housed between metal threaded end fittings for visual flow monitoring.
Flow indicator switch GK
Flow transmitter LABO-XF-I/U/F/C with threaded metal process connections, compact rectangular housing, and top-mounted sensor probe connector.
Flow transmitter LABO-XF-I/U/F/C
ATEX-A-U1-1 switching unit with a brass probe, threaded mounting fitting, and blue electrical cable for hazardous-area applications
Switching unit ATEX A-U1-1