- 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 Port Relief Valve 2125-1226 2420-1226
DH220-5 Port Relief Valve 2125-1226 2420-1226


DH220-5 Port Relief Valve 2125-1226 2420-1226: High Quality with Excellent Cost Performance
The DH220-5 Port Relief Valve 2125-1226 2420-1226 is a top-tier hydraulic component designed for construction machinery, especially ideal for excavator maintenance. It stands out for its superior quality and outstanding cost performance, making it a perfect pick for traders and maintenance enterprises in the hydraulic parts market.
This valve excels in key performance aspects:
- High Pressure Resistance: It handles high hydraulic pressure stably, ensuring smooth operation even in intense working conditions.
- Strong Impact Resistance: With excellent anti-impact performance, it endures sudden pressure fluctuations without damage, enhancing system reliability.
- High Reliability & Long Lifespan: As a durable relief valve, it features stable performance and a long service life, reducing frequent replacement costs for users.
Backed by Ningbo Longerfa Hydraulic Co., Ltd. (Formerly Zhenhai Longerfa Hydraulic Valve Factory) — an ISO9001-certified manufacturer — the valve benefits from our solid production technology and strict quality control. We use advanced facilities (like CNC machines and precision testers) to ensure every unit meets high standards. Moreover, we offer customized solutions to fit specific customer needs, further elevating its practicality.
Beyond this port relief valve, we supply a full range of hydraulic products, including screw-in cartridge valves and valve assemblies, exported globally for lifts, loaders, and port machinery.
Choose the DH220-5 Port Relief Valve 2125-1226 2420-1226 for a reliable, cost-effective hydraulic solution. Partner with us to get high-performance parts that boost your business efficiency.

