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ZHM HP Series

Gear Flow Meters for High Pressure Applications with Autoclave connections

Thanks to their robust design, gearwheel flowmeters are particularly well suited for volume flow measurement in high-pressure applications and in tough environments, for example in offshore and subsea applications.

The ZHM HP is suitable for applications wherever hydraulic fluids, additives, and injections have to be measured or dosed under high pressures. High quality materials and surface treatments are adapted to extreme environments and application conditions. The special design of the measuring element also supports precise flow rate measurement for low-viscosity media.


Technical Data

  • Measuring Ranges: 0.005 up to 70 l/min
  • Measuring Accuracy: up to ±0.1 %
  • Repeatability: ±0.05 % (under the same conditions)
  • Linearity: ±0.5 % of actual flow (viscosity ≥ 30 mm²/s)
  • Materials:
    • Housing: as per DIN 1.4404 [AISI 316L]
    • Gears: as per DIN 1.4122, 1.4501 [AISI F55]
    • Bearing: Stainless steel ball bearing, Tungsten carbide sleeve bearing
    • Seals: FKM, FFKM
  • Pressure: up to 1,035 bar [15,000 psi]
  • Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)


Pickups and Amplifiers


Evaluation Electronics


Help us find the right solution for your application! Simply fill out the online application form and send it to KEM Küppers Elektromechanik GmbH.