[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 M74D-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: BY-H7N series mechanical seal Product Specifications: Single seal single Unbalanced Unbalanced seal of rotation Independent of direction of rotation conform to DIN 24960 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 M74D-20 _ Bayannao'er mechanical seal mechanical seal mechanical seal _M74D selected three rain provided by 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! You can also access (www.tjsymf.com/supply_details_47741645.html), for more information about the company.