ZHM HP Series
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Technical Datasheet ZHM HP Series Gear Flow Meters for High Pressure Applications with Autoclave connections

Gear Flow Meters – ZHM HP Series Overview With more than 50 years of experience in the flow measurement field and numerous innovative and customer-specific product developments, we are a qualified and competent contact for flow measuring technology and calibration. KEM offers a broad selection of measuring principles for this purpose. We develop, produce, and deliver high quality Gear Flow Meters, Turbine Flow Meters, Helical Flow Meters and Micro Flow Meters as well as Coriolis Mass Flow Meters worldwide. Specific accessories complement the product range. This document provides...

ZHM HP Series – Gear Flow Meters The ZHM HP gear flow meter series (high pressure design) are flow meters which are mainly used in lubrication and non-lubrication liquids. They are equally suitable for filled, viscous and abrasive media. Only high-grade steels that even withstand corrosive liquids are used in the production of gear flow meters. Combined with the use of tungsten carbide bearings, the ZHM HP guarantees optimum measurement accuracy and a long service life under even the toughest application conditions. The extremely robust design, special surface coatings and the use of...

Gear Flow Meters – ZHM HP Series Technical Data – Sizes Measuring Range (l/min) Technical Data – General Measuring Accuracy ±0.05 % (under the same conditions) ±0.5 % of actual flow (viscosity ≥ 30 mm²/s) Housing: Gears: Bearing: Seals: Medium Temperature See dimensional drawing (page 5 to 6) as per DIN 1.4404 [AISI 316L] as per DIN 1.4122, 1.4501 [AISI F55] Stainless steel ball bearing Tungsten carbide sleeve bearing FKM, FFKM Exact type designation see ordering code (page 7). Average values for single sensors. 4) ZHM 04 with bolts ISO 4762, uncoated. 5) Under laboratory conditions; incl....

ZHM HP Series – Gear Flow Meters Corresponds to Autoclave connection size: SF375CX20. Only applies for single pickup holes of type „R“. Attention: the total installation height is the result of the height (H) and the height of the electronics (dimensions in separate datasheet). 6) 7) Original KEM Document: ZHM_HP_D_EN_220101_E001 | Copyright KEM, Subject to ch

Gear Flow Meters – ZHM HP Series Corresponds to Autoclave connection size: SF375CX20. Only applies for single pickup holes of type „R“. Attention: the total installation height is the result of the height (H) and the height of the electronics (dimensions in separate datasheet). 8) 9) Original KEM Document: ZHM_HP_D_EN_220101_E001 | Copyright KEM, Subject to change with

ZHM HP Series – Gear Flow Meters Ordering Code ZHM - XX - XX Measuring Range Meter Attributes Bearing ball bearing sleeve bearing sleeve bearing Sensor Ports Sealing Options FKM (Viton®) FFKM (Isolast®) Bolt Options Stainless steel ball bearing not available. Autoclave Engineers Medium Pressure fitting. Stainless steel ball bearing not available. Autoclave Engineers medium pressure fitting. Original KEM Document: ZHM_HP_D_EN_220101_E001 | Copyright KEM, Subject to change without notice

Gear Flow Meters – ZHM HP Series Pressure Drop Curves Original KEM Document: ZHM_HP_D_EN_220101_E001 | Copyright KEM, Subject to change without notice

ZHM HP Series – Gear Flow Meters Calibration In-house calibration is performed on volumetric calibration rigs or in our DAkkS calibration laboratory, depending on the needs of the client. The KEM calibration lab uses a high-precision load cell system. With an accuracy of 0.05 % for the mass and 0.1 % for the volume of flowing liquids, we occupy a leading position worldwide. The German Accreditation Body (DAkkS) has accredited the laboratory engineers, processes and measuring equipment in accordance with the international standard DIN EN ISO/IEC 17025:2018. The KEM calibration certificate...

Liebigstraße 5 85757 Karlsfeld Germany Wettzeller Straße 22 93444 Bad Kötzting Germany Liebigstraße 5 85757 Karlsfeld Germany Wettzeller Straße 22 93444 Bad Kötzting Germany More distributors & partners can be found at: www.kem-kueppers.com KEM Küppers Elektromechanik GmbH | Liebigstraße 5 | D-85757 Karlsfeld | Tel +49 8131 59391 - 0 | Fax +49 8131 92604 Original KEM Document: ZHM_HP_D_EN_220101_E001 | Copyright KEM, Subject to change without n