Ram blowout preventer with dydrualic
on the basis of integrating the advantages of manufactures and on
side use. we have designed and produces the hydrualic blowout with
hydraulic blowout with hydraulic starting and closing side
door.which has a more stable and convenient function in comparison
to the common ellips(U-shaped)shutter hydraulic blowout
preventer.during the [process of starting and closing the side
door, the dydrualic pressure can be used,which reduces the labor
force of the workers dramatically,changes shutter more quickly and
effectively enhances the workling efficency,it is the most popular
well mouth safety equipment among the same kinds
