This KNF Neuberger compact, two stage, double-head, oil-free diaphragm dry pump, model N938.50 KN.18, has a flow capacity of 32 l/min. and an ultimate vacuum of 9 Torr (12 mBar). The inlet and outlet are barbed connectors for 10mm ID tubing. The pump is operated on 115 VAC single phase power and weighs just 15.2 lb. This N938.50 KN.18 pump has EPDM (neoprene) diaphragms and gaskets, oversized bearings, and FPM O-rings for virtually maintenance-free long life. This pump is rated to pump air, gas or vapor at temperatures between 5 °C and 40 °C. For those that require improved corrosion resistance, the N938.50 KT.18 version of this pump has PTFE diaphragms.

These KNF N938.50 KN.18 pumps are equipped with parallel and series connection for the pump heads - resulting in a high pneumatic performance, a durable product and compact size. They transfer and pump down without contamination. Special valves ensure that the product can cope easily with vapour and condensation, making them suitable in a wide range of laboratory applications.