With a long service life, vacuum down to 0.74 inHg (25 mbar abs), positive pressure up to 174 psig (12 bar rel), and a flow rate up to 2.4 CFM (68 L/min), the N 630 series offers impressive, highly versatile performance. The cost-efficient and reliable diaphragm gas pumps are available in four variants: either one- or two-headed and connected in series or parallel, as a vacuum pump, or as a compressor. All models come with long-lasting EPDM or chemically resistant PTFE-coated diaphragms for exceptional durability and service life. The N 630 series handles ambient and media temperatures down to 41 °F (5 °C), and head water cooling systems make them suitable for use at ambient and media temperatures up to 140 °F (60 °C). 
 
All N 630 pumps are equipped with IP55-rated motors designed to be operated via a variable frequency drive which allows their rotational speed/performance to be set. The transfer rate is stable throughout the pressure range, enabling rapid gas compression inside containers.