KNF Neuberger (Trenton, NJ) offers process pumps for fuel cell applications for the delivery of natural gas and pure hydrogen. The pumps feature brushless DC motors and a double diaphragm system. Oil-free operation eliminates the risk of gas contamination. The pumps can achieve maximum flow rates up to 25 l/min, maximum vacuums up to 200 mbar, and maximum pressure up to 15 psig. The area between the two diaphragms may be mounted with a sensor for an immediate indication of failure.
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