... open/close hydraulically. Be sure to lock the rams manually with manual lock when the well should be closed for ... (also designing according to customers requirements).It is approximately assembled with body, bonnet, cylinder, cylinder bonnet, piston, rod, ... RequirementsSealing Time (S)<30Applicable Temperature ()--29--+121Actuating MediumOil with H2S, Natural Gas, Drilling Fluid, and Free WaterOutside ...