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Diaphragm valves for a large biopharmaceutical plant

By Chemical Engineering |

KSB

Valves from the SISTO-C series (photo) have been ordered for the construction of Lonza AG’s Ibex biopark in Visp, Switzerland. All valves, including the multi-port valves, are manufactured of quality forged steel 1.4435 (316L) and 1.4539 (AISI 904L). To meet the tough requirements of biopharmaceutical production processes, the diaphragms are made of EPDM or TFM with an EPDM backing diaphragm. The nominal sizes needed range from DN 8 to DN 200. Thanks to a metal spiral supporting the rear of the diaphragm, the installed SISTO-C valves are approved for a maximum operating pressure of 16 bars. This design provides a high operating reliability over a long period of time at high temperatures. More than 95% of the valves are fitted with pneumatic piston actuators, using the new SISTO actuator generation, which is characterized by its compact dimensions and low weight. — KSB SE & Co. KGaA, Frankenthal, Germany

www.ksb.com

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