Right In the fluid control and shut down and so on, spool orientation is important for the spool valve core and valve.
对于流体的控制和关闭等，阀芯的导向十分重要，阀芯导向用于阀芯和阀座的对中配合。
2
When the controlvalve when the reverse, so that both fluid along the direction of movement of spool when closed, the flow controlvalve capacity will be increased.
当调节阀反向使用时，既流体沿着使阀芯关闭的方向流动时，调节阀的流通能力会增大。
3
Right In the fluid control and shut down and so on, spool orientation is important for the spool valve core and valve seat oriented toward the tie.