please explain why...
2006-12-25 15:42:48 · 5 answers · asked by uriel 1 in Science & Mathematics ➔ Engineering
Globe valves tend to have the highest pressure drop of all valves.
2006-12-25 15:58:19 · answer #1 · answered by squang 3 · 0⤊ 1⤋
The comparison between these valves is made at full open to compare each valve type minimum restriction.
Needle vales have the highest pressure drop. By design a needle valve has a narrow and sharply tapered seat and disc for precise flow control. Even when fully open the annular opening of a needle valve is the smallest of the listed types when compared to other comparably sized valve types. (Smallest opening = Highest restriction)
2006-12-25 18:03:10 · answer #2 · answered by MarkG 7 · 0⤊ 0⤋
Butterfly Valve: a piece that rotates in the pipe 360 degrees Ball Valve- a (circular) plate that goes up and down
2016-03-29 06:44:06 · answer #3 · answered by Anonymous · 0⤊ 0⤋
It depends on how closed the valve is. The more you close the valve, the higher the pressure drop across it -- regardless of the type.
2006-12-25 15:47:20 · answer #4 · answered by bobo383 3 · 1⤊ 1⤋
globe valve
2006-12-25 16:15:56 · answer #5 · answered by amateurgrower 3 · 0⤊ 1⤋