XKCG-00448 XKBF-00390 Pressure Holding Valve Hydraulic Safety Valve R210LC R220LC R290LC-9 R290LC-9MH R300LC-9A Excavator Parts

XKCG-00448 XKBF-00390 Pressure Holding Valve Hydraulic Safety Valve R210LC R220LC R290LC-9 R290LC-9MH R300LC-9A Excavator Parts

Product Description

The GVO excavator relief valve, compatible with R210LC R220LC R290LC-9 excavators, is a key pressure control valve in the hydraulic system. It regulates hydraulic pressure, releases overload pressure, protects core hydraulic components such as the main valve and hydraulic pump, and ensures stable operation of the entire machine.

This relief valve is precision-machined from high-quality steel and undergoes overall quenching treatment. Equipped with oil-resistant and high-pressure-resistant seals, it boasts excellent sealing performance, impact resistance, and wear resistance. Suitable for the high-pressure hydraulic conditions of excavators, it effectively prevents internal leakage, pressure loss, operational instability, and vibration.

Product Introduction

R210LC, R220LC, R290LC-9 relief valve assembly, hydraulic pressure control valve for excavator distribution valve, complete set of valve needles, springs, valve sleeves, and seals integrated together. Made from wear-resistant alloy steel through precise manufacturing, the valve core is hardened for enhanced resistance to impact and high pressure, and the sealing components are resistant to aging and leakage prevention. This assembly is used to stabilize hydraulic system pressure, prevent overload relief, and repair faults such as arm dropping, weak operation, and pressure fluctuations in excavators.

Long-term high-pressure operation is prone to spring fatigue, valve core scratching, and seal aging, which can lead to arm sinking, overflow noise, and lack of power in the entire machine. This valve assembly optimizes the spring elasticity stability, polishes the valve core to high gloss, reduces the occurrence of valve jamming caused by hydraulic oil impurities, and the sealing components are resistant to oil and high temperatures, significantly extending the service life. The complete set of components is provided, allowing maintenance technicians to replace damaged parts individually without needing to replace the entire distribution valve, significantly reducing maintenance costs. It enables quick restoration of the hydraulic performance of the excavator on the machine, making it an outstanding replacement part in hydraulic maintenance.

Packaging & Shipping

We use high-strength, environmentally friendly paper export packaging, which is reinforced, cushioned, and moisture-proof, suitable for long-distance international logistics transportation, and meets cross-border freight and environmental protection standards. International transportation adopts formal cross-border logistics, with full tracking of logistics information and supporting customs clearance documents to ensure smooth customs clearance and timely delivery of goods overseas.

Company Introduction

The GVO brand is a manufacturer of hydraulic components. We mainly produce the most comprehensive range of pilot pumps, gear pumps, relief valves, hydraulic pumps, electrical components, hydraulic parts, engine assemblies, traveling assemblies, rotating assemblies, distribution valves, and other components.

We are factory direct sellers without any middlemen profiting from price differences. The quality is definitely the best for you because we are the ones who produce them. We cannot tarnish our reputation. The prices are also the most favorable for you. There is a stable delivery speed.

We value every customer and provide you with the best service. We offer pre-sale, in-sale, and after-sale guarantees. Any problems will definitely be resolved for you. We are always available to serve you.