This document describes the features and characteristics of KNF's Micro Diaphragm Gas Sampling Pumps, including uncontaminated flow, maintenance-free operation, compact size, high pneumatic performance, high gas tightness, and long product life.
The KNF NMP series micro diaphragm pumps provide oil‑free, high‑pneumatic performance for gas sampling, exhaust gas analysis, and environmental monitoring. Their elastic diaphragm is driven eccentrically, moving up and down to draw in and expel gas through automatic valves, ensuring a high level of gas tightness.
Four motor drive options are offered – standard DC, DC with iron‑free rotor, long‑life DC, and brushless DC – each with specific delivery, vacuum, pressure and weight specifications. Installation notes cover temperature limits (+5 °C to +40 °C), proper orientation, and cautions against starting against pressure or vacuum.
| Operating temperature range | +5°C to +40°C |
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The pumps operate between +5 °C and +40 °C.