Guangzhou Jianle Shun Machinery Co., Ltd. is specialized in construction machinery parts and equipment, integrating development, manufacturing and sales. The main products are 139-3990 Excavator Main Pump Solenoid Valve And Seat for E320, our products are sold to China and exported to more than ten countries and regions in the world. Our business philosophy is ''integrity-based, service-oriented''. For mutual benefit and common development, we are willing to cooperate with new and old customers hand in hand.
139-3990 Excavator Main Pump Solenoid Valve And Seat for E320
Product introduction
139-3990 Excavator Main Pump Solenoid Valve And Seat for E320 Proportional valve is a new type of hydraulic control device. On ordinary pressure valves, flow valves and directional valves, proportional electromagnets are used to replace the original control part, and the pressure, flow or direction of oil flow can be controlled continuously and proportionally according to the input electrical signal. Proportional valves generally have pressure compensation performance, and the output pressure and flow can not be affected by load changes
Product parameter(specification)
Type |
Hydraulic Pump Solenoid Valve |
Part No |
139 - 3990 |
Model Number |
E320 E320B E312 |
Materail |
Golden |
Quality Control |
100% Inspection |
Product feature and application
139-3990 Excavator Main Pump Solenoid Valve And Seat for E320 A proportional control valve is a valve used to control fluid flow rate by varying the size of the flow passage via a restrictor. The regulated flow rate subsequently adjusts parameters affecting a process in a system, mainly level, pressure and temperature
Product Details
1. 100% Quality Inspection to Ensure High Peformance
2. Good Reliability&Durability,Long Service Life
3 Made in China with very good quality
4.139-3990 Excavator Main Pump Solenoid Valve And Seat for E320
5 Made with professional craftsmanship to provide stable performance and safe application