[Three rain valve to recommend the star product - Mechanical seal] Description: Dual seal / Unbalanced / rotation / multi-spring structure and "HQ7" series of the same design features H7N-40 mechanical seal, in addition to the driving seat installation length, the other dimensions (d1 <100mm) of rain in line with DIN24960 standard valve [three star products to recommend - Mechanical seal] Description: Product Name: 152*24 Product parameters: Operating parameters of the seal chamber pressure: ≤3MPa sealed chamber Temperature: -20 ℃ ~ 180 ℃ line speed: ≤3000r / min was sealed: mechanical seal non-crystalline acid, alkali and salt. Note 1524 1523 type mechanical seal mechanical seal products derived from seal H7N-48 machine, install the same type size and 1523, but the 1524-type seals in various forms H7N-25 mechanical seal, available PTFE V-shaped ring, PTFE O-rings, etc., use more widely. H7N-30 mechanical seal | Daqing mechanical seal | H7N 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!