You’ll find the valve body between the pipe flanges as it holds the valve components in place. The valve body material is metal and made from either carbon steel, stainless steel, titanium alloy, n...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
Recently, the Organisation for Economic Co-operation and Development (OECD) released its latest mid-term economic outlook report. The report expects global GDP growth to be 5.8% in 2021, compared w...
Butterfly valve is a kind of valve that uses a disc opening and closing part to reciprocate about 90° to open, close or adjust the flow rate of the medium. Butterfly valve not only has simple struc...
Cast Iron Wafer Check Valve Related Videos From Youtube