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hdfire

Monitor – VAJRA 331®
(Cast Bronze)

Monitor VAJRA 331 & Vajra 331-B are durable manual controlled monitors for fixed installation as well as trailer mounted units.

These monitors are manufactured in cast bronze construction and generally used for protection of flammable liquid storage tanks, loading racks, dykes marine and many other Industrial application. Vajra331 and Vajra331-B come with 3-inch (80MM) water way. The vertical and horizontal rotation is through corrosion resistant bronze swivelling joint with double row of stainless-steel ball bearings. Vajra331 Monitor is UL Listed & FM Approved, and Vajra331-B is FM Approved.

DESCRIPTION

  • Robust Cast Bronze Construction: Built for durability and long-lasting performance in demanding environments.
  • Full Range of Motion: Offers 360° continuous horizontal rotation and vertical elevation options of +90° to -45°, or alternatively +85° to 0°/-15°/-30°, to ensure precise targeting.
  • Smooth Operation: Equipped with a double row of stainless-steel ball bearings and integrated grease fittings for seamless movement and easy maintenance.
  • High Pressure: Operates at a maximum pressure of 14 bar (UL Listed) and 16 bar (FM Approved), ensuring reliable performance under intense conditions.
  • Impressive Flow Rate: Delivers up to 1000 GPM (3800 LPM), ideal for high-demand fire-fighting applications.
  • User-Friendly Handling: Manual operation via ergonomic handle with positive lock for secure and accurate positioning in both vertical and horizontal planes.
  • Certifications:
    • UL Listed as foam monitor, when used with Varsha40U and VarshaHF40U monitor nozzles
    • FM Approved as a fire-fighting water monitor when used with the Varsha40 nozzle
  • Versatile Nozzle Options: Available with or without a foam concentrate pick-up tube, offering flexibility for water or foam-based fire suppression.

Note: The jet range specified in the catalogue is based on water discharge in still air condition. Foam range varies depending on foam viscosity. While the reach with HD AFFF 3% foam is satisfactory, performance with highly viscous foams may differ. Please consult our sales team for application-specific information and guidance.

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