[Three rain valve to recommend the star product - Mechanical seal] Description: Product Name: BY-H7N series of mechanical seal products parameters: single seal single seal Unbalanced Unbalanced of rotation Independent of direction of rotation in line with DIN 24960 to DIN 24960 standard operating parameters d1 = 14 ... 200mm 0.55 "... 8" p1 = 16 (25) dar * 360 (580) PSI t = -50 ... 220 ℃ -58 ° F ... 430 ° F vg = 200m / s 66ft / s [three rain valve to recommend the star product - Mechanical seal] Introduction: ZU (B) 64N Features: Single, fork groove drive H7N-55 mechanical seal, single spring seal H7N-53 aircraft, anti-clogging ability strong. When used, the rotation is independent, spring seat, spring, pushing the ring can be pre-assembled into one, easy to install. Main application: The seal is widely used in various types of pumps. H7N-58 mechanical seal | Mechanical seal selected three rain (certified) | Wuhai 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.