O-ring pressure and seal gap

O -ring pressure and seal gap The O -shaped rubber seal is generally sealed by the springback caused by compression, but as the pressure increases, it is squeezed into the sealed turbid gap and changes shape, as shown in Figure 4-1 In order to make the O -shaped rubber seal ring have a good seal

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Opal

SiO 2 ·nH 2 O [Chemical composition] SiO 2 65%~90%, H 2O is usually 4%~9%, up to 20%, Al 2 O 3 can reach 9%, Fe 2 O 3 can reach 3%, sometimes Mn can reach 10%, organic matter up to 39%, and other impurities. [Crystal Structure] It is generally believed that opal is an amorphous minera

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Large plate evaporator Jiujiang come out

Jiujiang Jiuzhou Energy Saving & Environmental Protection Engineering Co., Ltd. located in Jiujiang Economic and Technological Development Zone is dedicated to the production and installation of energy-saving and environmental-protection equipment, and the construction of urban sewage and indus

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Tailings jet flotation machine

The tailings jet flotation machine is mainly composed of a tank body, a swirling jet aerator and a tailings discharge device. The swirl jet aerator is a jet emulsification device. It has an emulsification effect on the agent, which can disperse the liquid and the gas stream into a very fine state,

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