1. Leakage caused by falling off of closing parts: Reasons: 1. Poor operation, so that the closing parts are stuck or exceed the upper dead point, and
Butterfly valve simple structure, small size, light weight, only by a few parts, simple operation, and the valve has good fluid control characteristic
Check valve in the process of use, there will be a variety of failures, generally speaking, awareness and composition of the valve parts, parts more f
Regulating valve growth since the beginning of the 20th century has been 80 years of history, has bred ten categories of regulating valve products, in
