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Le système d'exploitation de l'équipement de traitement des eaux usées est basé sur les normes de sécurité énoncées dans le présent règlement.
KEYSTONE SERIES GR RESILIENT SEATED BUTTERFLY VALVES GRW/GRL (ISO) All Rights Reserved. A heavy-duty industrial resilient-seated butterfly valve
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Vanne papillon résiliente Emerson Keystone Figure 990/920
1. Description A split body thin disc valve for high flow and modulating service. Figure 990 – Wafer body design. Figure 920 – Lugged body design 2. Features obstruction to flow, resulting in the highest Cv, the lowest pressure drops and the best control characteristics. Rounded, polished disc edge gives full concentric sealing, lower torques, longer seat life and tight shut-off. Triple function, resilient seat isolates body and stem from line media, provides drop-tight shut
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La valeur de l'échantillon est calculée en fonction de l'échantillon de l'échantillon.
1. Description Figure 320 is an economical, resilient seated Butterfly valve with dimensions according to ISO standards 2. Features * Bubble-tight shut-off at full rating in both directions. * One piece, specially profiled, wafer-thin disc stem. * Extended body neck allows free access to the actuator where pipe insulation has been fitted. * The seat and disc are the only two parts in contact with the medium. * Face to face dimensions according ISO 3202 Part 3, K1 (ISO 5752
