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Válvula de mariposa Emerson Keystone GRW0050 con volante, serie GRW
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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Válvula de mariposa resiliente Emerson Keystone Figura 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 valva de mariposa con asiento resistente de Emerson Keystone figura 320/322
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
