Air Operated Double Diaphragm Pumps Air Operated Double Diaphragm Pumps DEPA® E4 Diaphragm features noppedE4 surface The POWER of E4 Improved Lifetime, Safety, Flow and Purity 1 High Durability: Increased life-span PTFE Design: High chemical resistance An Integrated Outer Piston: Prevents hazardous leaks Smooth, Clean Surface: Reduced build-up of impurities, improved ow, and energy savings ChemPharma Flow Solutions EPDM BACK-UP PTFE MEDIUM SIDE INTEGRATED OUTER PISTON Crane Process Flow Technologies GmbH, Heerdter Lohweg D-40549 Düsseldorf, Crane Process Flow Technologies GmbH, Heerdter Lohweg 63-71, 63-71, D-40549 Düsseldorf Tel.: +49 211 5956-0, Fax: +49 211 5956-111, www.cranechempharma.com Tel: +49 211 5956-0, Fax: + 49 211 5956-111, www.cranechempharma.com