选型

zhuangmanhong

4WEH32G50/6AG24NZ5L    电液换向阀    上海液二生产的
想加一个叠加式双单向节流阀    不知道用什么型号好
8 A; j$ \) C9 Z6 X2 h有没有懂的回个帖呢

zjp741208107

没有见过这么大通径的叠加阀。这么大的流量用节流阀调速不节能不环保啊，现在哥本哈根开会正在抓这个问题，你用了这么大的节流阀可能导致地球温度上升0.00000000000000000000000000000000000000000000000000000162度。

mfcmonitor

电液阀是这样用的:
, C4 k* g- K7 r) I# `Switching time adjustment
In order to influence the switching time of the main valve (1) a double
) y1 V7 [4 R% r0 T6 b2 ^) S* \' l& Wthrottle check valve (2) (type Z2FS 6 to catalogue sheet RE 27 506)
has to be fitted.
Conversion from meter-in (3) to meter-out control (4):
7 m) y' Y% p! i- y; f8 @Remove the pilot valve (5) leave the seal ring support plate (6) in
5 o- a8 f) U) l7 Uplace, rotate the throttle valve (2) about its longitudinal axis and
6 m; K5 l% w2 I0 G4 {refit it, replace the pilot valve (5).
$ ]6 W/ L( S3 d1 L- ]Tightening torque of the screws (7) MA = 9 Nm.
: @9 j; y% b4 B9 A$ t
看最后一页

mfcmonitor

电液阀是这样用的: Switching time adjustment In order to influence the switching time of the main valve (1) a double throttle check valve (2) (type Z2FS 6 to catalogue sheet RE 27 506) has to be fitted. Conversion from meter-in (3) to meter-out control (4): Remove the pilot valve (5) leave the seal ring support plate (6) in place, rotate the throttle valve (2) about its longitudinal axis and refit it, replace the pilot valve (5). Tightening torque of the screws (7) MA = 9 Nm.
# i* ?; s' o# `0 p% U! Y7 z
- v3 [# Z3 Q9 O) J4 C
/ t/ @0 C2 Z) ?) C1 m看最后一页.

mfcmonitor

用电液阀,就是为了实现快速。再搞个节流阀，就多此一举了。
觉得选大了,可以换个小通径的.
执行机构配缓冲调节就可以了.