The biggest difference between mechanical and seals and hydraulic seals is that China's mechanical computing seals are one of the basic seals (components) of high-precision mechanical technology. The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, which keep fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of the compensation mechanism and the cooperation of the auxiliary seal. The elastic loading mechanism and auxiliary seal of the mechanical seal are the mechanical seal of the metal bellows, which we call the metal bellows seal. In light-duty seals, rubber bellows are also used as auxiliary seals. The elasticity of the rubber bellows is limited, and a spring is generally required to meet the loading elasticity. "Mechanical seal" is often referred to simply as "mechanical seal". A shaft sealing device for rotating machinery. Such as centrifugal pumps, centrifuges, reactors and compressors and other equipment. Since the transmission shaft runs through the inside and outside of the equipment, there is a circumferential gap between the shaft and the equipment, through which the medium in the equipment leaks out. If the pressure in the equipment is lower than atmospheric pressure, the air leaks into the equipment, so there must be a Shaft seal to prevent leakage.

1. Definition of mechanical seal and hydraulic seal:

The mechanical seal is one of the mechanical root parts, which is much more complicated than the mechanical seal used in the autoclave. It is a key component of mechanical sealing equipment such as various pumps, reaction tanks, turbo compressors, and submersible motors. Its sealing performance and service life depend on many factors such as model selection, machine tool accuracy, and accuracy of equipment use.

Hydraulic seals have pressure requirements and require a certain smoothness of the joint surface. The seals are mostly made of rubber and can be closed when the seal is partially deformed.

2. mechanical and seals and hydraulic seals are classified

Mechanical seal type: packing seal type, light mechanical seal type, heavy mechanical seal type, etc.

Hydraulic seals: including lip seals, V-seals, U-seals, Y-seals and YX-seals.

Hydraulic cylinders for hydraulic mechanical seals are some of the commonly used product portfolios and seals: including bud rings, gleaming rings and step seals.

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