For valve with Arrow Position Indicator, add the letter "I" before the dash separator (e. g., 4423i-025).
对于带箭头位置指示器的阀门，在破折号之前加上字母“I”，例如：4423i - 025。
It can control degree of the headstock of valve directly through travel indicator.
可以通过行程指示表来直观控制阀门开启程度。
If flow rate is in excess of that specified, turn indicator knob towards closed position, noting pressure drop and valve setting and determining new flow rates from flow rate chart.
如果流量超过规定，将指示器旋钮旋转到关闭位置，注意压降和阀门设置，并从流量表中确定新的流量。
应用推荐