There are several common types of metal hose joints

February 29, 2024

External thread joint: mainly used for local junction box and hose connection. Open holes in the local box, insert the joint, and fix it with a lock. Internal thread joint: mainly used for cable pipe and hose wire connection. Sleeve joint: mainly used for the connection of metal hose and steel pipe, sleeve joint installation does not need to be on the steel pipe sleeve wire, the joint at the end of the steel pipe, a card is fast, with the characteristics of easy installation.

Insert joint: mainly used for embedded pipe dense gap small, insert the inner diameter of the steel pipe, easy installation. Reducer joint: mainly used for steel pipe and metal hose diameter is not consistent, can be arbitrarily large and small according to the site installation requirements.

Before installation, the metal hose must be checked and the problem should be eliminated in time. In the hoisting process, there should be measures to prevent damage to the metal hose; A short nozzle should be installed after the metal hose to compensate for the deviation of the hose neutral size; Metal hoses with steel belt mesh sleeves should be used as far as possible. Because its natural vibration frequency is high, generally 20~30Hz, much higher than 7Hz, the possibility of resonance between the hose and the storage tank is very small.

When installing, do not force pull and twist, do not smash the metal hose, do not use the method of strong tightening flange bolts to eliminate the installation deviation; No brackets or supports shall be provided on the metal hose; The height of the metal hose from the ground or platform should be greater than its lateral displacement compensation.

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