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Continue to ChatEMERSON ASCO 54400059 - 5/2, ISO 4, Air Operated, Spring Return, With Manual Testers, Series 544 Joucomatic Spool Valves - OBSOLETE - REPLACED BY AVENTICS 5814130000 https://www.valves-direct.com/product/asco-54400059-5-2-2-5-12-air-operated-spring-return-with-manual-testers-series-544-joucomatic-spool-valves/