1. 控制阀有各种不同类型,它们的适用场合不同,应根据工艺生产过程的要求合理选择控制阀类型。
2.气动类控制阀分气开和气关两类。气开控制阀在故障状态时关闭,气关控制阀在故障状态时打开。可采用一些辅助设备组成保位阀或使控制阀自锁,即故障时控制阀保持故障前的阀门开度。
3. 气开和气关的方式可通过正、反作用的执行机构类型和正体、反体阀的组合实现,在使用阀门定位器时,也可通过阀门定位器实现。
4. 各种控制阀结构不同,各有特色。
北京华德液压全系列 具体型号及报价请联系客服
北京华德换向阀部分型号如下:
4WE6Q61B/CG24NK4 4WEH10K20B/O6EW220-50NETZ4
4WE6Q61B/CG24NZ4 4WEH10K20B/O6EW220-50NETZ5
4WE6Q61B/CG24NZ5 4WEH10K20B/O6EW220-50NETZ5L
4WE6Q61B/CG24NZ5L 4WEH10K20B/O6EW220-50NEZ4
4WE6Q61B/CW220-50N9DKL 4WEH10K20B/O6EW220-50NEZ5
4WE6Q61B/CW220-50N9DL 4WEH10K20B/O6EW220-50NEZ5L
4WE6Q61B/CW220-50N9K4 4WEH10K20B/O6EW220-50NTZ4
4WE6Q61B/CW220-50N9Z4 4WEH10K20B/O6EW220-50NTZ5
4WE6Q61B/CW220-50N9Z5 4WEH10K20B/O6EW220-50NTZ5L
4WE6Q61B/CW220-50N9Z5L 4WEH10K20B/O6EW220-50NZ4
4WE6Q61B/CW220-50NDKL 4WEH10K20B/O6EW220-50NZ5
4WE6Q61B/CW220-50NDL 4WEH10K20B/O6EW220-50NZ5L
4WE6Q61B/CW220-50NK4 4WEH10K20B/OF6AW220-50NETZ4
4WE6Q61B/CW220-50NZ4 4WEH10K20B/OF6AW220-50NETZ5
4WE6Q61B/CW220-50NZ5 4WEH10K20B/OF6AW220-50NETZ5L
4WE6Q61B/CW220-50NZ5L 4WEH10K20B/OF6AW220-50NEZ4
4WE6R61B/CG12N9DKL 4WEH10K20B/OF6AW220-50NEZ5
4WE6R61B/CG12N9DL 4WEH10K20B/OF6AW220-50NEZ5L
4WE6R61B/CG12N9K4 4WEH10K20B/OF6AW220-50NTZ4
4WE6R61B/CG12N9Z4 4WEH10K20B/OF6AW220-50NTZ5
4WE6R61B/CG12N9Z5 4WEH10K20B/OF6AW220-50NTZ5L
4WE6R61B/CG12N9Z5L 4WEH10K20B/OF6AW220-50NZ4
4WE6R61B/CG12NDKL 4WEH10K20B/OF6AW220-50NZ5
4WE6R61B/CG12NDL 4WEH10K20B/OF6AW220-50NZ5L
4WE6R61B/CG12NK4 4WEH10K20B/OF6EG24NETZ4
4WE6R61B/CG12NZ4 4WEH10K20B/OF6EG24NETZ5
4WE6R61B/CG12NZ5 4WEH10K20B/OF6EG24NETZ5L