نمایش نتیجه 1 تا 4 از 4 نتیجه یافت شده برای hydraulic ram:
n: a cylinder and piston device that uses hydraulic pressure for pushing, lifting, or pulling. It is commonly used to raise portable masts from a horizontal to a vertical position, for leveling a production rig at an uneven location, or for closing a blow- out preventer against pressure.
n: an assembly of hydro cylinder or piston which depends on hydraulic pressure to pushing, pulling and rising.
تلمبه ی هیدرولیکی
n: a series of hydraulic rams to restrain and pull tubing under well pressure, temporarily attached to the wellhead for workover
n: a series of hydraulic rams to restrain and pull tubing under well pressure, temporarily attached to the wellhead for workover.
n: a portable mast that can be erected as a unit, usually by a tackle that hoists the wireline or by a hydraulic ram. The upper section of a telescoping mast is generally nested (telescoped) inside the lower section of the structure and raised to full height either by the wireline or by a hydraulic system. Erroneously but commonly called a telescoping derrick.
a portable mast composed of sections nestled inside one another and raised with a winch or a hydraulic cylinder.
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