Y type companding filter ,is a filter use hydraulic control valve and accuracy easy block machinery products. Normally installed on hydraulic control valve etc. Device inlet, avoid impurity such as grain enter channel, cause block, make valve or other device failure and can't work. Y type filter have easy structure, low fluid resistance, can drain sewage online and don't need disassembly. Y type drag link companding filter also have character of  installation legnth regulable, assembly and disassembly easy. It can set strainer mesh number as requested, normal range: water 18~30 mesh, strainer 40~100 mesh, oil 100~480 mesh.