一、D*1FW系列Parker派克先导式比例阀简介：
Parker派克D*1FW系列中的*号其实代表是分为D31FW系列、D41FW系列、D91FW系列产品！而每个系列的Parker派克比例阀都是不同尺寸，或者安装方式上的改变！对应的参数也是不一样！请仔细阅读以下简介！
派克汉尼汾生产的D1FW系列先导式比例方向控制阀的规格有：NG10(CETOP 5)，NG16(CETOP 7)以及NG25（CETOP 8)
在中国市场中典型的应用工况包括：以高/低速控制模式对执行机构进行重复性的速度控制，并实现平稳地加速和减速。
结合PWD00A-400数字式功率放大器，阀的工作参数可进行存储、修改和复制。
二、D*1FW系列Parker派克先导式比例阀技术特征：
·递增型的流量特性使流量调节灵敏
·故障安全型中位机能
·有中位监测选项
三、尺寸:
四、相关型号：
| D31FW系列型号 | D41FW系列型号 | D91FW系列型号 |
| D31FWE01C1NLW0 | D41FWE01F1NLW0 | D91FWE01H1NLW0 |
| D31FWE01C1NLW8 | D41FWE01F1NLW8 | D91FWE01H1NLW8 |
| D31FWE01C2NLW0 | D41FWE01F2NLW0 | D91FWE01H2NLW0 |
| D31FWE01C2NLW8 | D41FWE01F2NLW8 | D91FWE01H2NLW8 |
| D31FWE01C4NLW0 | D41FWE01F4NLW0 | D91FWE01H4NLW0 |
| D31FWE01C4NLW8 | D41FWE01F4NLW8 | D91FWE01H4NLW8 |
| D31FWE01C5NLW0 | D41FWE01F5NLW0 | D91FWE01H5NLW0 |
| D31FWE01C5NLW8 | D41FWE01F5NLW8 | D91FWE01H5NLW8 |
| D31FWE02C1NLW0 | D41FWE02F1NLW0 | D91FWE02H1NLW0 |
| D31FWE02C1NLW8 | D41FWE02F1NLW8 | D91FWE02H1NLW8 |
| D31FWE02C2NLW0 | D41FWE02F2NLW0 | D91FWE02H2NLW0 |
| D31FWE02C2NLW8 | D41FWE02F2NLW8 | D91FWE02H2NLW8 |
| D31FWE02C4NLW0 | D41FWE02F4NLW0 | D91FWE02H4NLW0 |
| D31FWE02C4NLW8 | D41FWE02F4NLW8 | D91FWE02H4NLW8 |
| D31FWE02C5NLW0 | D41FWE02F5NLW0 | D91FWE02H5NLW0 |
| D31FWE02C5NLW8 | D41FWE02F5NLW8 | D91FWE02H5NLW8 |
| D31FWB31C1NLW0 | D41FWB31F1NLW0 | D91FWB31H1NLW0 |
| D31FWB31C1NLW8 | D41FWB31F1NLW8 | D91FWB31H1NLW8 |
| D31FWB31C2NLW0 | D41FWB31F2NLW0 | D91FWB31H2NLW0 |
| D31FWB31C2NLW8 | D41FWB31F2NLW8 | D91FWB31H2NLW8 |
| D31FWB31C4NLW0 | D41FWB31F4NLW0 | D91FWB31H4NLW0 |
| D31FWB31C4NLW8 | D41FWB31F4NLW8 | D91FWB31H4NLW8 |
| D31FWB31C5NLW0 | D41FWB31F5NLW0 | D91FWB31H5NLW0 |
| D31FWB31C5NLW8 | D41FWB31F5NLW8 | D91FWB31H5NLW8 |
| D31FWB32C1NLW0 | D41FWB32F1NLW0 | D91FWB32H1NLW0 |
| D31FWB32C1NLW8 | D41FWB32F1NLW8 | D91FWB32H1NLW8 |
| D31FWB32C2NLW0 | D41FWB32F2NLW0 | D91FWB32H2NLW0 |
| D31FWB32C2NLW8 | D41FWB32F2NLW8 | D91FWB32H2NLW8 |
| D31FWB32C4NLW0 | D41FWB32F4NLW0 | D91FWB32H4NLW0 |
| D31FWB32C4NLW8 | D41FWB32F4NLW8 | D91FWB32H4NLW8 |
| D31FWB32C5NLW0 | D41FWB32F5NLW0 | D91FWB32H5NLW0 |
| D31FWB32C5NLW8 | D41FWB32F5NLW8 | D91FWB32H5NLW8 |
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