Kieselmann 5674 S-S-S Double-seat Changeover Valve

Kieselmann

Product Code: 5674 S-S-S
Brand: Kieselmann



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Description for Kieselmann 5674 S-S-S Double-seat Changeover Valve

Contamination-free separation KIESELMANN double-seat valves are the first choice to safely separate in automatic process equipment, which does not belong together. Our double-seat valves are among the most modern, safest valves on the market. Two independently controllable valve plates with non-pressurised leakage discharge prevent incompatible media from mixing. Product rearward migrations of the valve disk seals are excluded. If a leak occurs contrary to expectations, the medium flows out through the leakage gap without pressure. Split valve plates for maximum safety. The easy cleaning of the leakage space is performed by lifting the upper or lowering the lower valve plate. Everything under control thanks to comprehensive automation optionsfrom sensor monitoring via PLC or ASI-BUS control head through to emergency stop function and valve position indication. An ATEX version is even available for  gas and dust areas (Zones 1, 2 and 21, 22). KIESELMANN double-seat valves are characterised by low operating, maintenance and repair costs. • Leakage-free opening • Long seal life • Pressure shock resistant • Optimal cleaning functions • Optional control heads PLC, AS-Bus, emergency stop function, feedback, ATEX • Safe product separation • Extensive automation possibilities • Sealing materials EPDM, HNBR, k-flex   Technical data Sizes:   DN 25 -150 1"-4" Seals:   EPDM         SIP 140°C, 30 min FDA compliant HNBR        SIP 110°C, 30 min FDA compliant k-flex         SIP 150°C, 30 min FDA compliant Pressure shock resistant: up to 40 bar (closed valve position)  Materials:   in product contact                1.4404 / AISI 316L   not in product contact         1.4301 / AISI 304                                             1.4307 / AISI 304L Surfaces: in product contact                 Ra ? 0.8 µm e-polished not in product contact          Ra 1.5–2.5 µm e-polished Operating pressure: DN 25 -100            max. 10 bar DN 125 / 150         max. 6 bar 1"-4"                      max. 10 bar  Control air: 5.5 - 8 bar lower control air pressures on request  Operating temperature: 95 °C

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