Valves put in in consuming water transport methods have to meet stringent demands, each by way of design and materials employed.
To satisfy these necessities the KSB Group’s SISTO Armaturen S.A. in Luxembourg has launched its SISTO-16RGAMaXX diaphragm valve type series, featuring threaded sockets, a stainless-steel body and a special drinking water diaphragm.
The physique is made from 1.4409, a fabric that is notably resistant to chlorinated water and appropriate for drinking water. To keep digital pressure gauge dealt with clear, the physique is designed without useless volume, thus preventing deposits in the valve. Nominal sizes range from Rp 1/2”- 3”.
The confined and supported diaphragm maximises service life and is designed for a strain of sixteen bar. It is manufactured from high-quality elastomer (EPDM/W270) and meets the German Environment Agency’s requirements on plastics suitable for ingesting water functions (KTW-BWGL). The valves cover a temperature range from -10 °C to +90 °C. This means the type collection is also highly appropriate for thermal disinfection.
Since the threaded stems for actuating the valves usually are not involved with the fluid handled, they will proceed to ship smooth operation even after many years of use. The stem safety fitted prevents any external contamination and also serves to point the valve position. Closing torques are minimised by a smooth-running thrust bearing.
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