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O-Ring, or O-type sealing ring, is an annular elastic sealing element with a circular cross-section. It is usually made of elastic materials such as rubber, silicone, and fluororubber, and has good elasticity and sealing performance. In Gas Cylinder Valve, O-Ring is cleverly installed between the valve seat and the closing member (such as the valve core) to form a tight sealing interface, effectively preventing gas leakage when the valve is closed.
1. Advantages of O-Ring sealing technology
Excellent sealing effect: O-Ring has good elasticity and resilience, can fit tightly to the surface of the valve seat, forming a reliable sealing barrier, and can maintain stable sealing performance in high pressure, high temperature or corrosive gas environment.
Wide applicability: O-Ring can choose sealing rings of different materials and specifications according to different working environments and media requirements. This flexibility enables O-Ring sealing technology to be widely used in various types of Gas Cylinder Valve.
Easy maintenance: Compared with other complex sealing structures, the replacement and maintenance of O-Ring is relatively simple and quick. Once the sealing performance is found to be degraded, just replace the new O-Ring to restore the sealing effect of the valve.
2. Application in Gas Cylinder Valve
In Gas Cylinder Valve, O-Ring sealing technology is usually applied between the closing member and the valve seat of the valve. When the valve is closed, the closing member will compress the O-Ring, causing it to deform and fill the tiny gap between the valve seat and the closing member, thereby achieving sealing. The elasticity of the O-Ring also ensures that the valve can move smoothly during opening and closing without excessive resistance.
3. Although O-Ring sealing technology has many advantages, the following points should still be noted during use.
Choose the right material: Choose the right O-Ring material according to the type, pressure, temperature and other conditions of the gas to ensure that it has good sealing performance and corrosion resistance.
Regular inspection and replacement: Regularly check the wear and aging of the O-Ring, and replace the damaged or aged O-Ring in time to ensure the sealing performance of the valve.
Correct installation: When installing the O-Ring, make sure it is properly placed in the sealing groove to avoid twisting or scratching to ensure its sealing effect.
