GVO 4707029 FYD00005433 Excavator ZX40U-3 ZX40U-3U ZX55 Rotary Motor Pressure Relief Valve Safety Valve

GVO 4707029 FYD00005433 Excavator ZX40U-3 ZX40U-3U ZX55 Rotary Motor Pressure Relief Valve Safety Valve

Product Description

The GVO excavator relief valve, compatible with Hitachi 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

The GVO relief valve is compatible with the hydraulic systems of ZX40U-3, ZX40U-3U, and ZX55 mini excavators. It is a key pressure control and protection component within the multi-way valve. Strictly designed and precision-machined according to specifications, its thread profile, orifice arrangement, valve core stroke, and set relief pressure are identical to the original parts, allowing for direct insert replacement. Maintenance requires no modification to the valve block structure, effectively reducing downtime for mini excavators.

This relief valve is specifically optimized for the actual operating environment of mini excavators. The internal pressure regulating spring is made of high-fatigue-resistant alloy spring steel, capable of withstanding frequent alternating pressure impacts. Long-term operation does not easily lead to elasticity decay or plastic deformation, maintaining a stable pressure regulation range even after prolonged use, preventing pressure drift, uncontrolled pressure release, and other potential malfunctions.

The valve is equipped with an aging-resistant high-pressure sealing component, resisting long-term corrosion from high-temperature hydraulic oil and eliminating external oil leakage caused by seal failure. The internal flow channels have been optimized to effectively improve the valve's resistance to contamination, reduce the risk of valve core jamming and sudden valve failure caused by oil impurities, reduce unexpected equipment downtime, ensure the orderly progress of engineering projects, and avoid economic losses caused by project delays.

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.