AS-C483 Dual Cartridge Seal

AS-C483 cartridge seal is customized dual  seal  with multiple spring   that  made as per client drawing.

 

 

Working principle of mechanical seal for water pump
water pump mechanical seal is a device used to prevent liquid leakage from the gap between the rotating shaft and the pump casing. water pump  mechanical seal  mainly consists of the following parts: dynamic ring, static ring, elastic element, transmission element, and auxiliary sealing ring.
water pump mechnical seal working principle
Sealing end face: The core part of a mechanical seal is the sealing end face composed of a moving ring and a stationary ring. The moving ring is fixed on the shaft and rotates together with the shaft; The stationary ring is fixed on the pump casing and remains stationary. The end faces of these two rings are in contact with each other, forming a sealing surface.
Elastic element: The elastic element (such as a spring) provides preloading force, making the end faces of the moving ring and the stationary ring tightly fit, thereby ensuring the sealing effect. When the sealing surface wears out, the elastic force of the elastic element can automatically compensate for this wear, keeping the sealing surface in close contact at all times.
Auxiliary sealing ring: Auxiliary sealing rings (such as O-rings or V-rings) are used between the moving ring and the shaft, between the stationary ring and the sealing cover, and between the sealing cover and the housing to solve the sealing problems in these areas and prevent medium leakage.
Lubricating liquid film: In mechanical sealing devices, the pressure shaft sealing water not only prevents high-pressure water leakage, but also presses into the dynamic and static rings to maintain the flow of a layer of lubricating liquid film, thereby preventing the end faces of the dynamic and static rings from contacting. Due to the very thin flow film and being subjected to high-pressure water, there is almost no leakage.
water pump mechanical seal structural characteristics
Dynamic ring and static ring: The material hardness of dynamic ring and static ring is different, with one material being harder (such as steel, overlay hard alloy, ceramic, etc.) and the other material being softer (such as graphite or graphite filler). This combination can reduce wear and extend sealing life. Elastic element: The main function of elastic element is to provide preload force, making the sealing end face tightly fit. In addition, it can automatically compensate for the wear of the sealing end face and maintain the sealing performance.
Auxiliary sealing ring: The auxiliary sealing ring is used to solve the leakage problems between the dynamic ring and the shaft, the static ring and the sealing cover, and the sealing cover and the housing, ensuring the sealing effect of the entire mechanical sealing system.
advantage
water pump reliable structure: mechanical seal can limit leakage to a very small range, even invisible to the naked eye.
Long lifespan: Under normal working conditions, the lifespan of mechanical seals is usually 1 to 2 years, and in special cases, it can reach 5 to 10 years.
No need for adjustment: Mechanical seals rely on spring force and fluid pressure to automatically maintain contact, and there is no need to adjust compression force during operation like soft packing seals.
Good anti vibration performance: Mechanical seals are insensitive to the vibration, deflection, and deviation of the rotating shaft and the shaft to the sealing chamber.
Low power loss: Compared to packing seals, mechanical seals significantly reduce power loss.
Wide applicability: Mechanical seals are suitable for sealing high temperature, low temperature, high pressure, vacuum, different rotation frequencies, as well as various corrosive media and abrasive media.
In summary, the mechanical seal of the water pump has achieved efficient and reliable sealing effect through precise structural design and material selection, and is widely used in liquid conveying equipment under various working conditions.