Balanced, Inside mounted, Applicable working condition1,Seal size:402,Medium: phlegma3,Temperature:42 Cetigrade4,Speed(rpm):29005, ... 1,Imported material is widely used in manufacturing mechanical seals 2,Direct factory price 3,Professional technical services 4,Products with ... much patents 5,20 years experience of mechanical seal 6,ISO9001 7,We accept O/A and all kinds ...