DH
- Hydraulically Operated Check Valve and Valve Block
- Construction Machinery Relief Valve Series
- Standard Valve Cavity and Custom Valve Block
- Standard Valve Block and Hydraulic Valve Set
- Load Control Valves and Others
- Logic Element
- Flow Control Valve
- Pressure Control Valve
- Directional Control Valve
- Solenoid Valve
0102030405
DH220-5 Main Relief Valve 2420-1225
DH220-5 Main Relief Valve 2420-1225
DH220-5 Main Relief Valve 2420-1225
Fit for DH220-5 series excavators (part no.: 2420-1225), this main relief valve is from Ningbo Longerfa Hydraulic Co., Ltd.—a professional hydraulic parts manufacturer in Ningbo, China, specializing in cartridge valves and valve blocks.
Longerfa holds ISO9001/ISO45001 certifications and patents, with advanced CNC equipment and testing tools. Every 2420-1225 main relief valve undergoes 100% performance verification to meet industry standards and DH220-5 excavator’s hydraulic system requirements.
This valve serves as the core protection component for DH220-5’s hydraulic system, automatically releasing excess pressure when the system pressure exceeds the set threshold to avoid damage to key parts like hydraulic pumps, cylinders and control valves. It fits original specs for direct replacement, significantly shortening maintenance downtime and ensuring quick restoration of excavator operation. Trusted by global aftermarket users, it’s widely applied in construction, mining, earthmoving and large-scale engineering fields where DH220-5 excavators are used.
Adhering to "Quality First, Service First," Longerfa provides a dependable choice for DH220-5 excavator aftermarket maintenance and replacement, safeguarding the stable, safe and efficient operation of the excavator’s hydraulic system.
