diaphragm pump is a perfect match for most applications in the laboratory and functions because it is oil-totally free and whisper tranquil, and because it requires so little service. Diaphragms have specifically long lives and hermetically seal the drive space from the pumping chamber to safeguard mechanical parts from corrosion. The pumps attain their distinctively high performance from high pumping chamber volume relative to the minimal dead space. Highly brass worm gear set flexible double diaphragms with fabric reinforcement make certain an extremely long diaphragm life time. The pumps operate completely oil free , nor have any sliding components in the gas route. In normal operation they are free of abrasion. Besides contributing to the long service intervals the lack of abrasion also eliminates most of the particulate impurities frequently generated within scroll or piston pumps. This makes diaphragm pumps a good choice for clean applications.