Gate Valves A Gate valve is an on-off or a shut-off valve. It is not used to regulate flow as erosion of disc and seat may cause leakage. A gate valve in partially open or closed position is also sus [ ... ]

Cast Iron Cast Iron is an iron alloy having carbon content greater than 1.5-2%. There are four types of Cast Iron : Types of Cast Iron Gray Iron White Cast Iron Ductile Cast  [ ... ]

Backflow Prevention Assembly Backflow is the reversal of flow of nonpotable water or other substances through a cross-connection and into the piping of a public water system or consumer's potable wat [ ... ]

ASME Flange Loading Calculation Theory The flange loading calculation method outlined below involves determining the effective pressure in the flange due to: External Moment. External Fo [ ... ]