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

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PRODUCT DETAILS

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