[Three rain valve to recommend the star product - Mechanical seal] Description: Seal Failure Analysis sealing surface itself would provide evidence of seal failure, such as vibration, there will be signs of wear and tear on the transmission parts, such as traces of not Obviously, it is generally caused by improper assembly. For poor quality graphite ring (ring) is concerned, its large internal porosity, this is because in the manufacturing process M74N-48 mechanical seal, gathered in the gas within the expansion caused by the graphite carbon particles blown out, so that kinds of low-quality graphite seal ring is enabled, the carbon particles can easily fall off, leaving the sealing surface of the stick when the seal is disabled. Friction: At the top of the compensation and non-compensation ring ring inlaid with a pair of seal faces, play a major role in sealing machine seal. Under normal circumstances the compensation ring with a soft material mechanical seal, face narrower; uncompensated ring with a hard material, end wider. Elastic element and locking ring: they constitute the load, compensation and buffering mechanism to ensure that the mechanical seal fitting end face after installation; timely compensation when worn; in by vibration, ran a dampening effect. The elastic member may be a spring, bellows, wave springs and the like. Locking ring for axial and radial positioning of an elastic element, usually both transmission torque or torque to overcome the function. [Three rain valve to recommend the star product - Mechanical seal] Introduction: Because the coating material and the substrate material both linear expansion rate different M74N-65 mechanical seal, so the temperature rises, the ring surface cracks will appear, Stellite special alloy is particularly serious. In the more advanced coating materials, nickel-cobalt-based tungsten carbide based coating is better. Compensation and non-compensation ring ring: compensation ring is sealing ring with axial compensation capability, which can be rotated ring (ring), or non-rotating ring (stationary ring); non-compensated ring is not having the ability to compensate for axial sealing ring, the same can be rotating ring (ring), or non-rotating ring (stationary ring). Friction: At the top of the compensation and non-compensation ring ring inlaid with a pair of seal faces, play a major role in sealing machine seal. Under normal circumstances compensate narrow ring of soft material, end; uncompensated manufacturing ring with a hard material, end wider. M74N-65 mechanical seal, mechanical seal Suihua, M74N mechanical seal manufacturers selected three rain provided by Valve Co., Ltd. Tianjin three rain. Valve Co., Ltd. Tianjin three rain (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!