??O-ring seal ship five requirements

??Marine rotary mechanical structure is relatively similar machinery used on land, but because the state and environmental conditions of their use somewhat surprised, ship operations at sea, the ship's vibration and shaking will give the ship to bring the O-ring seal is not the same Impact. Limited disassembly and repair ship has many inconveniences, and therefore the rubber O-ring seal on land requirements more stringent. So Xu Xinhua cited the small circle of ships O-ring seal five requirements:

??1) reliability. Once installed sealing requirements put into operation, must be able to work long hours.

??2) adaptability. Or called flexibility, which requires the seal has the ability to automatically follow and good characteristics.

??3) a simple structure. Required to install, easy to operate.

??4) Easy maintenance. Sealing means in the structure must be guaranteed way disassembly and maintenance at sea.

??5) compactness. The axial length of the seal to be smaller, in order to reduce the axial space occupied by the device location.

??Although these requirements can not be met, but must give overall consideration as far as possible seek unity in contradiction.

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