Hydraulic Parts DH220-5 Swing Motor Relief Valve 225419
Hydraulic Parts DH220-5 Swing Motor Relief Valve 225419
Exclusive to DH220-5 series excavators (part no.: 225419), this swing motor relief valve is a dedicated hydraulic protection component from Ningbo Longerfa Hydraulic Co., Ltd.—a professional hydraulic parts manufacturer in Ningbo, China, specializing in cartridge valves, motor control valves and heavy machinery hydraulic accessories.
Longerfa holds ISO9001/ISO45001 certifications and patents, with advanced CNC precision machining equipment and specialized hydraulic testing platforms. Every 225419 swing motor relief valve undergoes 100% pressure cycle testing and dimensional verification, fully complying with industry standards and the unique hydraulic parameters of DH220-5’s swing motor system, ensuring perfect matching with the original equipment.
As the core protective part of DH220-5’s swing motor hydraulic circuit, this valve precisely monitors and regulates system pressure: when the pressure exceeds the preset safety value during excavator rotation operations, it automatically releases excess oil to avoid damage to the swing motor, hydraulic pump and transmission components caused by overpressure. It features high-pressure resistance and wear-resistant valve core design, adapting to frequent start-stop and heavy-load working conditions of the swing system. Adhering to original specs for direct replacement, it eliminates the need for complicated adjustments during maintenance, significantly shortening equipment downtime. Trusted by global aftermarket users, it’s widely applied in construction, mining, earthmoving and engineering projects where DH220-5 excavators are utilized.
Adhering to "Quality First, Service First," Longerfa provides a dependable choice for aftermarket maintenance and replacement of DH220-5 excavator swing motor systems, ensuring stable, safe and efficient operation of the rotary function even in harsh working environments.
