YZ-03 series direct acting relief valveDetailed product description：

YZ-03 type direct acting relief valve is used for pressure control in low flow hydraulic systems. By replacing the adjusting spring, the pressure adjustment range of the overflow valve can be changed.

Model Description Function Symbols


Technical parameters:

specification	02	03
Maximum working pressure MPa	thirty-one point five
Allowable back pressure MPa	thirty-one point five
Maximum flow rate l/min	twenty	forty
Hydraulic medium	Mineral hydraulic oil, phosphate hydraulic oil
Medium temperature range ℃	-20~70
Medium viscosity range mm2/s	2.8~100

Appearance and installation dimensions

YZ-03 series direct acting relief valve