... so that hydraulic pressure opens and closes the rams and provides themeans for quick ram change- ... out.•Ram closing pressure closes the rams. When the bonnet bolts are removed, closing ... of the preventer.•Ram opening pressure opens the rams. Following ram change-out, this pressure closes ... toward the preventer body. Thisassures that the rams never obstruct the bore or interfere with the ...
... short time with corresponding control system. It has several pipe rams to seal 1 1/2, 2 3/8, 2 7 ... BOP can open/close hydraulically. Be sure to lock the rams manually with manual lock when the well should be closed ...
... Kg Dimension: 3637×1122×1745 mm BOP single or double rams are available H2S Trim Ram assmbly can be interchanged by ... with shear ram Hydrauli or manual lockNot only the pipe rams and blind rams but also the variable bore ram and shear ... rams are available without any structure change;the outlets on both ...
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