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Analysis of the advantages of sleeve type expansion joint

Casing type Telescopic device It is a kind of expansion device. From the structure, the outer part is a sleeve, and the inner part is a pipe. The middle part is sealed with rubber sealing strip. The product is sealed with rubber ring, which can be stretched and compressed. The sleeve type expansion joint is mainly used in the water outlet end of the water pump or valve, which is mainly used to protect the water pump and valve, and is easy to disassemble in the pipeline maintenance.

Casing rubber Pipe expander Features: small volume, light weight, good elasticity, convenient installation and maintenance; axial, transverse, meridional and angular displacement can be generated during installation, which is not limited by the user's pipe misalignment and flange non parallel; vibration and noise reduction can be achieved when working; special synthetic rubber can withstand high temperature, acid and alkali, and oil resistance, which is the ideal product of chemical corrosion resistant pipeline; the main characteristics of metal pipeline expansion device It has large expansion compensation, high temperature and high pressure. Compared with the common expansion device, the sleeve expansion device has the disadvantages of high friction force, easy leakage, difficult processing and easy pulling out. It has the advantages of reliable sealing, small friction, small volume, light weight and anti pulling out.

What should be paid attention to when installing the sleeve type expansion device?

1. The installation length should be between large and small length, which can be adjusted according to the actual situation.

2. During installation, loosen the pressure plate bolt, adjust the installation length, and then tighten the bolt diagonally to prevent leakage.

The check valve should be installed at the rear of the expansion valve.

4. If the expansion joint is used overhead, the corresponding fixed supports shall be installed at both ends. It does not bear the axial tension, and the anti pulling device can be added if necessary.

Shanghai Huanjing, as a professional manufacturer of expansion joint, has been committed to the pipeline industry for more than 20 years. The product quality is worthy of your trust. Our company has cooperated with a large number of well-known domestic enterprises for a long time. For example, Baosteel, Angang, Masteel and other first-line enterprises have established a deep cooperation foundation with our company in the long-term cooperation, and the product quality can stand the test of practice.

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