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A hose reel is a cylindrical spindle made of either metal, fiberglass, or plastic and is used for storing a hose. The most common styles of hose reels are spring driven (which is self retracting), hand crank, or motor driven. Hose reels are categorized by the diameter and length of the hose they hold, the pressure rating and the
This additional complexity is due to the requirement of adding retracting piston faces to all of the cylinder stages and the difficulty in supplying pressurized fluid to the retraction pistons of the intermediate stages. [3] To accomplish the double acting feature, additional hydraulic seals are added to internally seal off the individual ...
A badge reel. Examples of reel usage include: Hose reels that store and prevent kinking of fire hoses or garden hoses; Bobbins that hold yarns or threads for sewing machines and weavers; Retractable tape measures; Fishing reels that store and pull in fishing lines when angling; Film reels that carry film stocks
A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its rocker or cam follower. This space prevents the parts from ...
Originally the hydraulic manipulators were covered by a helmet-like retractable see-through visor, but these were removed in a major overhaul in 1994. The submersibles change depth at a maximum vertical speed of 40 metres per minute, so several hours are required to travel to and from deep sites. [2]
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