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Seals market scale continuously expanding industry structure urgently need adjustment and upgrading Seals refer to parts that prevent fluid or solid particles from leaking from adjacent joints and external impurities from intruding into machinery and equipment. Seals are indispensable basic components in the process of industrial manufacturing. They are wide…
2019-07-29
Material and application of rubber diaphragm Advantages: reliable and heavy work, good reproducibility, long working life, low cost, high breaking strength, high tear resistance, oil resistance, acid and alkali resistance, corrosion resistance, aging resistance, long life, excellent air tightness.Rubber …
2019-07-22
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
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
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
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