ZHM KL Series

ZHM KL Series

Gear Flow Meters with Ball Bearing for lubricating and non abrasive fluids

The ZHM KL gear flow meter series (ball bearing design) are flow meters which are mainly used for lubricating liquids. They are equally suitable for higher to low viscosity media.

Only high-grade steels that even withstand corrosive liquids are used in the production of gear flow meters. Combined with the use of high-quality precision ball and hybrid bearings, the ZHM KL guarantees optimum measurement accuracy and a long service life under even the toughest application conditions. The ball bearing facilitates a very low starting torque of the measuring element. This way even the lowest flow rates at low viscosities can be accurately measured.

Technical Data
Measuring Ranges: 0.02 up to 1,000 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)
Housing: as per DIN 1.4305 [AISI 303], 1.4404 [AISI 316L]
Gears: as per DIN 1.4122, 1.4501 [AISI F55]
Bearing: Stainless Steel Ball bearing (ZHM 01/2-06/1), Chrome roller bearing (ZHM 06-07)
Seals: FKM, PTFE (others on request)
Pressure: up to 420 bar [6,000 psi]
Medium Temperature: -40 °C up to +180 °C [-40 °F up to +356 °F] (others on request)

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