[Three rain valve to recommend the star product - Mechanical seal] Description: simple structure, seal ring structure should be simple symmetrical, with priority to the overall structure, may also be combined (eg cassette type) sealing ring to avoid end face seal coating structure. Sealing ring easier manufacturing, installation and maintenance to be convenient, the price low. Good self-lubrication in the event of a short work of dry friction mechanical seal, do not damage the seal faces. Thus, the sealing ring to have a good self-lubricating, sealing ring material and sealing fluid should have a good wettability. [Three rain valve to recommend the star product - Mechanical seal] Introduction: HU7 type mechanical seal complies with DIN24960 and GB / T6556-94 standard, alternative 108U 103-60 type mechanical seal mechanical seal, unbalanced, conical spring structure spring of rotation about the axis of rotation. HUU803 type mechanical seal complies with DIN24960 and GB / T6556-94 standard 103-45 mechanical seal, non-balanced, multi-spring double-end structure, driving sleeve. Seal chamber pressure must be higher than the medium pressure 0.1-0.2Mpa. 103-45 mechanical seal mechanical seal manufacturers _ selected three rain (certified) _ North mechanical seal is provided by three rain Valve Co., Ltd. of Tianjin. Valve Co., Ltd. Tianjin three rain (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.