In industrial production, shaft end seals for rotating equipment such as pumps, fans, compressors, and reducers are crucial for ensuring stable equipment operation. Their sealing performance directly impacts production efficiency, equipment service life, and safe production. The integral seal and split-type seal differ significantly in installation, maintenance, and adaptability, with specific comparisons as follows:

A split-type seal, also known as a detachable seal, is a shaft end sealing device that can be split into two (or more) parts along the axial or radial direction. It is mainly used for shaft end sealing of rotating equipment and is compatible with different specifications of shaft diameters and seal chamber sizes. Compared with traditional integral seals, the core structural advantage of the split-type seal lies in its "detachable design". Its overall structure mainly consists of split rotating rings, split stationary rings, seal seats, compensation springs, seal rings, and fasteners. All components adopt a split structural design, are pre-assembled and debugged before leaving the factory. During on-site installation, it is only necessary to wrap the two parts of the seal around the shaft diameter, splice them, and tighten the fasteners to complete the installation, without disassembling the main components of the equipment.

The structural design of the split-type seal balances sealing performance and convenience: the rotating and stationary rings are made of wear-resistant and corrosion-resistant materials (such as silicon carbide, cemented carbide, fluororubber, etc.) to ensure the sealing performance and service life of the seal faces; the compensation spring adopts an embedded design, which, combined with the split structure, can not only realize automatic compensation of the seal faces but also prevent the spring from being blocked or eroded by the medium; the seal seat is accurately matched with the equipment's seal chamber, and a seal gasket is used for sealing at the splice to prevent medium leakage from the splice gap, ensuring the overall sealing reliability of the split-type seal.

The application scenarios of split-type seals mainly focus on "hard-to-disassemble equipment", "large rotating equipment", "emergency maintenance", and "old equipment sealing renovation". Their flexible and convenient installation advantages are particularly prominent in various scenarios, with specific application details shown in the following table:

Improper selection is a major cause of leakage and early failure of split-type seals. Combined with the operating conditions and equipment parameters of industrial equipment, the core selection key points are summarized in the following table, which can be directly used as a selection reference:

Scientific daily operation and maintenance can effectively extend the service life of split-type seals and reduce leakage risks. Combined with their structural characteristics, the core daily operation and maintenance specifications are sorted out in the following table:

As a convenient, efficient, and reliable shaft end sealing form, the core value of the split-type seal lies in solving the pain points of traditional integral seals, such as "inconvenient installation and maintenance, time-consuming and labor-intensive". It is particularly suitable for large rotating equipment, old equipment sealing renovation, and emergency maintenance scenarios, playing an irreplaceable role in industrial production. Selecting a suitable split-type seal and following scientific operation and maintenance specifications can not only ensure the sealing effect of the equipment but also reduce maintenance costs and improve production continuity.

As a professional sealing solution provider, with years of industry experience, our company can customize suitable split-type seal products according to the needs of different industries and working conditions, and provide full-process selection guidance, installation and commissioning, and after-sales maintenance services. At present, our company has officially resumed work on February 24th, and all services have fully resumed. We welcome customers from all sectors to consult and cooperate with us to solve industrial equipment sealing problems and help enterprises achieve efficient and stable production.

In line with the post-holiday production arrangement, our company has officially resumed work on February 24th, fully restoring services related to split-type seals. For needs such as customization consultation, selection guidance, sample delivery, and after-sales maintenance of split-type seals, you can contact our company for docking at any time. We will provide professional technical support and efficient response speed to guarantee the sealing operation and maintenance of your equipment, help enterprises quickly resume production, and solve sealing-related problems.