FM Approved Firesure Fire Sprinkler Flowmeter

Design Features

Our Firesure FM flowmeters are designed for sprinkler fire pump testing. They have FM approval and are simple and quick to install. Firesure FM is available in a range of sizes suitable for both horizontal and vertical pipes and in a wide range of flows scaled in both USGPM and dm³/min. They are available with either between flange or groove connections.


  • Line Sizes: 80, 100, 150 & 200mm
  • Ranges: See PDF
  • Accuracy: ± 2% of test range max
  • Pressure: S.W.P, 20 barg
  • Temperature: Maximum operating 90ºC
  • Certification: FM approved / UKAS flow certification
  • Process Connections: Grooved or Flanged style connections
  • Materials of Construction: Orifice Plate: 316 stainless steel Carrier: Polyester coated carbon steel Flow Indicator: Nickel plated brass Borosilicate Glass Viton Seals Stainless Steel elements Filter bowl / Polycarbonate Indicator Connections: Nickel plated copper tube