比例方向阀,先导式
型号4WRH, 4WRZ, 4WRZE
比例方向阀,先导式,无电位置反馈
规格10至52
安装面按ISO 4401
控制流量的方向和大小
通过3通减压阀进行先导控制
弹簧对中和主阀芯的反转动特点
不同阀芯可遮盖An outlander was invited to attend a local wedding of in Yunnan province. After chatting with the locals for a long time, he was avid for a sumptuous meal. So when the dinner was ready, the famished outlander was completely enticed by a bowl of large fried meat which was golden and greasy. He quickly picked a piece to eat but soon found it too large to eat up. Indeed, it was as thick as a beer mug and as long as a pair of chopsticks.In order not to be laughed at by the locals and not to be regarded as a prodigal, he made all his effort trying to finish it. However, the idea was soon