Pressure Relief and Regulating Valves

Sun Hydraulics Technical Tips 1 Tech Tips:Web# 999-901-332 Rev. 16 JUN14 2014 Sun Hydraulics Corporation Pressure Relief and Regulating Valves With blocked center directional Valves and variable displacement pumps, or open center directional Valves and fixed displacement pumps where fast response, low leakage and dirt tolerance are re-quired for shock Pressure Relief , consider direct acting Valves . With equal or unequal displacement actuators consider: 1) Pilot operated Valves for accurate Pressure regulation 2) direct acting Valves for fast response, dirt tolerance and low leakage 3) Kick-down Valves to eliminate heat generation. (Do not use in load holding applications.) However, with unequal displacement actuators or motors having drain ports, be careful to use Relief valve circuits that avoid cavitation and/or supercharging. With blocked center directional Valves and fixed displacement pumps where accurate Pressure regulation of continuous flow is required, consider pilot operated Valves .

Two Port Direct Acting Differential Area Pressure Limiting Relief Cartridges – RD*A contamination. The performance parameters optimized in Sun’s unique RD*A differential area relief valves are: Relatively flat pressure rise (especially at high end of spring range.) High flow capacity (25 to 200 gpm [100 to 800 L/min])

Loading..

Tags:

  Direct, Pressure, Regulating, Valves, Spring, Relief, Pressure relief and regulating valves

Information

Related search queries