14527006 VOE14527006 Excavator Parts EC55 EC80D EC85 Main Relief Valve Pressure Relief Valve Safety Valve

14527006 VOE14527006 Excavator Parts EC55 EC80D EC85 Main Relief Valve 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

This GVO relief valve is specially tuned for the hydraulic circuits ofEC55, EC80D, and EC85 models, closely matching the original factory standard operating pressure range. Pressure regulation is linear and stable, with no lag in releasing pressure after instantaneous oil pressure shocks.

The valve body is forged from tempered alloy steel in one piece, with a hardened, rust-proof, wear-resistant, and impact-resistant surface. The valve core undergoes ultra-precision mirror grinding and is equipped with imported fluororubber sealing rings resistant to high and low temperatures, preventing valve jamming and internal leakage during long-term high-pressure operation.

It fully conforms to the original factory cartridge size, allowing for direct replacement without modifying the valve block. Each unit is professionally calibrated on a hydraulic pressure tester before leaving the factory, ensuring precise pressure regulation and rapid overload pressure relief response.

It effectively limits peak pressure in the oil circuit, protecting the main hydraulic pump, cylinders, and distribution valve from overpressure shocks. It improves common excavator malfunctions such as lack of power, stalling, pressure drop, and sluggish operation. Suitable for long-term operation in earthmoving, crushing, landscaping, and small-scale municipal projects, it offers high cost-effectiveness for repair and replacement.

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.