美国派克PARKER比例阀*现货型号
美国PARKER比例阀结构原理输入信号增大，供气用电磁阀先导阀1换向，而排气用电磁先导阀7处于复位状态，则供气压力从SUP口通过阀1进入先导室5，先导室压力上升，气压力作用在膜片2的上方，则和膜片2相连的供气阀芯4便开启，排气阀芯3关闭，产生输出压力。此输出压力通过压力传感器6反馈至控制回路8。在这里，与目标值进行快速比较修正，知道输出压力与输入信号成一定比例为止，从而得到输出压力与输入信号的变化成比例的变化。由于没有喷嘴挡板机构，故阀对杂质不敏感，可靠性高。
特点
1)可实现压力、速度的无极调节，避免了常通的开关式气阀换向时的冲击现象。
2)能实现远程控制和程序控制。
3)与断续控制相比，系统简化，元件大大减少。
4)与液压比例阀相比，体积小、重量轻、结构简单、成本较低，但响应速度比液压系统慢得多，对负载变化也比较敏感。
5)使用功率小、发热少、噪声低。
6)不会发生火灾，*。受温度变化的影响小。
PARKER高频Pro微型比例阀
PARKER派克VSO微型比例阀
派克PARKER比例换向阀
PARKER派克比例换向阀通过调节输入阀内电磁铁的电压信号来控制工作阀阀芯的移动，使阀口尺寸发生改变，从而完成与输入电压成比例的压力、流量输出的控制，改阀具有集成的电子元件，主级的阀芯位置可调。
派克PARKER比例换向阀、派克PARKER比例方向控制阀、D1/D3/D4/D8/D9/D111FT(B);D1/D3/D4/D8/D9/D111FH原装PARKER派克比例阀*， 100%*!

Parker派克D1VW系列电磁换向阀Parker派克D1VW系列电磁换向阀是一种 3 油腔电磁控制的三位四通或二位四通方向控制阀，通过旋入式衔于铁管湿式电磁铁直接控制。线圈能够根据不同的输入电压进行调换，但是交流和直流之间不能更换。
Parker派克D1VW-8W系列电动式换向阀Parker派克D1VW-8W系列电动式换向阀是一种直动式4通高性能阀。它有2个或3个换向位置。该阀适用于板式和连接底板式管式安装，接口符合DIN 24340 A6。该阀是高循环率，长寿命，高效率和低耗能。D1VW-8W阀的使用范围是机床工业，特别是采用很多阀的多工位自动生产线。由于电流消耗小（<0.5A）和在电磁铁上带有M12×1结构，所以可以直接与PLC（可编程序控制器）或Bus-knot（现场总线）相连。派克为在机床行业中分散的和标准化的安装技术（DESINA）提供了一个适宜的解决方案。

美国派克PARKER比例阀*现货型号
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