... the certification of ISO 9001 :2008 international system of quality control.Products reach nearly one hundred series, thousands of ... use of units such as power plants, water plants, mills, water companies, engineering and high construction,Common type used to transport -15 ... reach to -30--250Mediaair ,compressed air,water,sea water,oil,acid,alkali etc.Main Data: DNLengthL(mm)Outer Diameter of flange ...