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2 5

2 4

1 3

4 2

5 a b TA TB B P A A B TA A a P Type 4WE

10 E3X/CG24N9K4 Detent Type .WE 10.3X/OFC (impulse spool) O-ring Type .WE 10.3X/OC.... (only possible with symbols A, C and D) This model is a 2-position directional valve with

2 solenoids without detents.The spool position, when the solenoids are de-energised, is not defined. Type .WE 10.3X/OFC... (impulse spool), with detent (only possible with symbols A, C and D) This model is a 2-position directional valve with

2 solenoids and detents. Hence, when the solenoids are de-energised, the spool is held in the detented position and thus the solenoids do not need to be continuously energised. Cartridge throttle (type 4WE 10…/.../B..) A cartridge throttle is required when,if due to the operating conditions, flows can occur during the switching procedure which are higher than the permitted performance limits of the valve. The throttle is inserted into the P port of the directional valve. 功能说明,剖视图

288 WE型换向阀是电磁铁操作的滑阀式换向阀.它控制液流的 开启,关闭和液流方向. 换向阀主要由阀体 (1) ,一个或两个电磁铁 (2) ,阀芯 (3) 以及一个或两个复位弹簧 (4) 组成. 在没有通电情况下,阀芯 (3) 在复位弹簧 (4) 作用下处於中 位或原位 (脉冲式除外) .控制阀芯 (3) 由湿式电磁铁 (2) 进 行操作. 为了确保获得满意的功能,务必在电磁线圈的压力腔充满 油液. 电磁铁 (2) 的力作用於阀芯 (3) 上,推动它由静止位至所需 终端位.这样,压力油液从P至A,B至T,或者从P至B,A 至T导通. 在电磁铁 (2) 断电后,由复位弹簧 (4) 将阀芯 (3) 推向中 位. 作为可选的 应急手动操作 (5) 可在无电磁铁控制时,使控 制阀芯 (3) 能够换向. WE10.3X/OC...型 (限於中位机能为A, C, 和D时) 这种型号是双电磁铁两位开关换向阀无定位机构,无论是 处於哪个位置,电磁铁其中之一必须通电,断电时无确切 的切换位置. WE10.3X/OFC...型 (脉冲式滑阀) ,定位机构 (仅限於中位机能为A, C, 和D时) 这种型号是双电磁铁两位开关换向阀,带定位机构,这样 阀芯可保持在任一位置,并且电磁铁不必连续通电. 插入式节流口 (型号4WE 10.../.../B..) 如果在给定的工作条件下,阀的换向过程中,出现流量超 出阀的功率极限时,推荐使用插入式节流口. 将它插入压力油口P内. 定位机构 (脉冲式滑阀) O-型圈 型号 型号 B1_0285-0294 7/22/04, 10:32 AM

4 5/10 WE 10../.C RC

23 327/02.03

2 Installation Optional ambient temperature range °C C30 to +50 (NBR seals) C20 to +50 (FKM seals) Weight Central connection Individual connection Valve with

1 solenoid kg 4.4 (=);

3.6 (~) 4.3 (=);

3.5 (~) Valve with

2 solenoids kg 6.0 (=);

4.4 (~) 5.9 (=);

4.3 (~) Hydraulic Max. operating pressure Ports A, B, P bar

315 Port T bar

210 (=) ;

160 (~) For symbols A and B port T must be used as a drain line, if the operating pressure is higher than the permissible tank pressure. Max. flow L/min

120 Flow cross-section For symbol V mm2

11 (A/B → T);

10.3 (P → A/B) (switched position 0) For symbol W mm2 2.5 (A/B → T) For symbol Q mm2 5.5 (A/B → T) Pressure fluid Mineral oil (HL, HLP) to DIN

51 524 1);

Fast bio-degradable pressure fluids to VDMA

24 568 (also see RE

90 221);

HETG (rape seed oil) 1);

HEPG (polyglycols) 2);

HEES (synthetic ester) 2);

other pressure fluids on request Pressure fluid temperature range °C C

30 to +

80 (with NBR seals) C