Classification of metal seal butterfly valve
metal seal butterfly valve
The steam valve is different from other valves. The steam valve has its particularity, usage habits and installation standards, which all determine the particularity of the design and selection of the steam valve. The selection and operation of the steam boiler, the selection and installation of the steam pipeline, the supporting heat exchange equipment and the management level of the factory m
Since September, The prices of steel in china have been falling for several weeks, but so far, the market has not seen a reversal. Last week, under the background of the continued tightening of funds and the sluggish demand in the steel market, major steel varieties such as domestic construction steel, hot-rolled, medium plate, and profiles have fallen sharply. Especially the construction steel pr
What should I do if the pneumatic control valve fails?
Alloy steel, in addition to iron and carbon in steel, adding other alloying elements is called alloy steel......