[Three rain valve to recommend the star product - Mechanical seal] Description: preparation of construction machinery seal proposition before: Before mechanical seal advocate hydrostatic test, check the mechanical seal is not a leak appearance. If leaks are more mechanical seal, should try to find out the reason for cancellation. If still valid, you should disassemble and inspect equipment from scratch. General hydrostatic test pressure for 2 to 3 kg / cm. Press the pump rotation plate car, check the light is not uniform. Such as hard disk drive or does not move when H7N-38 mechanical seal, you should check the equipment standards are not at fault, the device is not reasonable. Secondary seal; play a secondary seal, the secondary seal ring divided compensation and non-compensation of ring seals. It can be an O-ring, V-ring, wedge ring, rectangular ring, etc., used to seal the shaft seal and mechanical seal, mechanical seal and housing. [Three rain valve to recommend the star product - Mechanical seal] Introduction: In recent years, the production and quality of finished Chinese seal gradually enter into a new period, a new period. Use in pharmaceutical machinery and equipment is also an increasing, the same demand is also rising, which makes the situation facing sealing finished career promotion. Has been positioning itself to seal domestic company is not very clear, blind production H7N-43 mechanical seal between the company and the host deficient merchandise supporting docking and collaboration. You can say that the vast majority of the country's merchandise seals are only in accordance with the agreed specification production, mechanical seal product itself does not care whether satisfaction of supporting a host of commodities on the mall, blindly seeking the factory itself amount. H7N-35 mechanical seal, mechanical seal Wuxi, H7N alloy mechanical seal provided by the election of three rain Valve Co., Ltd. Tianjin three rain. Valve Co., Ltd. Tianjin three rain (www.tjsymf.com) (www.tjsymf.com) strong, credible, in Tianjin seal industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the three rain valve into the brilliant and you work for a better future! You can also access (www.tjsymf.com/supply_details_43952050.html), for more information about the company.