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Continue to ChatJOUCOMATIC 463008140080 - 40mm Bore, 80mm Stroke, For Series 450 Cylinders With Profiled Barrel, With Static Locking Device https://www.valves-direct.com/product/joucomatic-463008140080-40mm-bore-80mm-stroke-for-series-450-cylinders-with-profiled-barrel-with-static-locking-device/