Manual ram blowout preventer

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(1) The pressure-bearing parts such as shell, side door, and side door bolts are all forged from gold steel, and the metal parts are surface-treated with nickel-phosphorus electroless plating, which has excellent corrosion resistance.
(2) Compact structure, small size and light weight. Easy operation and maintenance.
(3) The shutter chamber adopts an elliptical structure, which improves the force distribution of the shell and improves the safety performance of the shell.

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