Hermetically tight diaphragm pumps meet ATEX, ASME, 3-A and FDA requirements, and are third-party tested and certified to Fraunhofer Cleanroom Suitability Qualification. Pumps feature wetted and totally enclosed seamless heads and PTFE sandwich diaphragms that reduce dead space to achieve optimum volumetric efficiency and provide phased delivery to ensure low pulsation levels. Pumps are prices from $25,000 up depending upon configuration. Triplex Diaphragm Pumps. For more information, contact American Lewa, Inc. at 888-LEWA-123 or go to http://www.americanlewa.com/.