Pilot operated relief valves here have been particularly developed as low-noise types. Able to protect pumps and control valves against excessive pressures, they are used to control the pressure in the hydraulic system to a constant level. Remote control and unloading are permitted by using vent circuits.
Shijiazhuang Hanjiu trade Co., Ltd bring lots of the high-standarad equipments and technology of Hydraulic production in the year 2003, specializing in the Hydraulic production.
The company mainly produces hydraulic components like Hydraulic valves, oil cylinders, pumps and systems. All of these hydraulic components can be widely used for mining, metallurgy, steel, chemical industry, enginnering, rubber and plastic, papermaking, agricultural machinery hydraulic oil cylinder, machines and hydraulic systems.