[Three rain valve to recommend the star product - Mechanical seal] describes the mechanical seal and soft packing compared to the complex structure of the mechanical seal mechanical seal, spare parts processing require high H75-58 mechanical seal, high cost; for staff When the request is to install and replace the operator need to have a certain level of technology to master the basics H75-60 fitter mechanical seal, to understand the structural characteristics of the mechanical seal, especially the pump running incidents of treatment, ask the service technician to have some business knowledge and experience. [Three rain valve to recommend the star product - Mechanical seal] Introduction: contact friction (dry friction). Appeared before the liquid film between the seal faces H75-48 mechanical seal, movement in direct contact with the ring face. When the sealing device starts low speed, less pressure between the end surface film has not yet formed, and thus direct contact between the static ring case Friction exists that dry friction. Acoustic emission signals generated by a strong dry friction, the specific performance of large amplitude oscillation more often. H75-45 mechanical seal | mechanical seals manufacturer selected three rain (certified) | Yuncheng 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.