... hydraulically. Be sure to lock the rams manually with manual lock when the well should be closed for a ... (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 ...