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Classification of common rubber seals for seals knowledge Rubber sealing rings are the most commonly used sealing elements in seals. The classification of rubber sealing rings is usually based on their main materials, characteristics and movement forms.1.According to material classification, different sealing rings a…
2019-03-22
Several factors affecting the performance of seals 1: Motion speedThe movement speed is very low (< 0.03/s), so the stability of the equipment and the crawling phenomenon should be considered. When the moving speed is very high (> 0.8m/s), the ink of lubrication may be destroyed, and the seal will be fri…
2019-04-02
Requirements for work difference parameters in mechanical seal installation 1) The radial jump of single-stage pump shaft is not more than 0.05 mm, and that of multi-stage pump shaft is not more than 0.05-0.085 mm.2) Shaft end runout is less than 0.1 mm.3) Verticality of end face and shaft of seal cavity is less than 0.1 mm.4) The axi…
2019-04-15
Some knowledge of o-ring and principle of mechanical seal Mechanical seals for pumps are widely used in various types of pumps. Mechanical seal is a kind of sealing equipment with high precision, which has a certain demand for equipment and operating conditions.1.General Guidelines for the Use of Mechanical Sealing E…
2019-05-08
Analysis of leakage phenomenon of mechanical seals used in submersible pumps and its countermeasure Axis Grinding Phenomenon Caused by Seal Leakage of Submersible Sewage Pump(1) The failure of small pump seals below 715 kW often results in grinding shaft. The grinding shaft locations are mainly as follows: the auxiliary seal ring of the moving ring, the stat…
2019-05-31
Five standards for sealant selection and detailed analysis 1. Quality requirements of structural adhesives1.1 Structural adhesives have many specifications. Generally speaking, there are four essential properties: good cohesiveness, sufficient strength, appropriate displacement capacity and long-term durability.…
2019-07-01