2013年9月10日星期二

Selection of five elements of metal hose

size hose DN , choose the type of connector ( mainly flanged , threaded connection, quick connector ) and the size of the metal hose , hose lengths.the actual working pressure of the hose under pressure , and then query corrugated metal hose nominal diameter and pressure gauges, decide whether to use stainless steel mesh cover types of metal hose . Hydraulic ferrules  medium hose in the chemical properties of the transmission medium , according to the corrosion resistance of the hose material , the parts of the material determines the hose .the temperature inside the hose and medium operating temperature range ; hose when working ambient temperature. High temperatures, the metal hose shall work under high pressure and temperature correction coefficient to determine the temperature corrected pressure to determine the selection of the correct pressure rating .state when used according to the state of the hose , metal hose with reference to the proper use and installation methods and hose compensation in settlement of optimum length . The length of the hose variety of sports state calculation and the minimum number of bends hose and minimum bend radius and other factors, parameters select the correct hose length, and correctly installed.

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