[Three rain valve to recommend the star product - Mechanical seal] introduced: (1) unit scale conclude: When device should use manual or sample the goods, to ensure the mechanical seal device scales. (2) Before loading, the shaft (sleeve), gland should be no burr, bearing in good condition; seals, shaft, sealed chamber, gland should be clean and clean. To reduce friction M7N-55 mechanical seals, mechanical shaft seal system parts to be coated with a thin layer of oil to make a smooth, considering the compatibility of the rubber O-ring, if not oil, can be coated with soap and water. Floating-mounted stationary ring without anti-rotation pin layout, not oiled, should dry loaded gland. 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. M7N-53 mechanical seals, shaft seals used to seal and mechanical seal, mechanical seal and housing. [Three rain valve to recommend the star product - Mechanical seal mechanical seal] describes the preparatory work prior to installation issues and attention. After the completion of repair work above, you need to re-install the mechanical seal, before installing it must be prepared to work: 1, if the new machine to replace the seals, mechanical seals must be inspected models, specifications are correct M7N-43 mechanical seal, meets quality standards ; 2, stationary ring tail end of the anti-anti-rotation pin at the top of the slot should be kept axial clearance 1mm-2mm to avoid buffer failure; 3, dynamic and static ring face mechanical seal with alcohol to clean the remaining metal parts cleaning with gasoline and used clean compressed air, carefully check the heart works to ensure that dynamic and static ring sealing surface without any damage. Before assembly, two "0" shaped rubber ring should be coated with a layer of lubricating, dynamic and static ring face must not oiled. M7N-40 mechanical seals, mechanical seals selected three rain (certified), Liaoyuan mechanical seal is provided by three rain Valve Co., Ltd. of Tianjin. Valve Co., Ltd. Tianjin three rain (www.tjsymf.com) (www.tjsymf.com) is a leader in Tianjin, seals, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In three rain valve leadership with the staff warmly welcome all inquiries negotiations to create three rain valve a better future.