GVO 270-080000 Auxiliary Relief Valve Distributor Pressure Relief Valve

Product Specification

GVO 270-080000 Auxiliary Relief Valve Distributor Pressure Relief Valve Hydraulic Safety Valve Excavator Parts

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 270-080000 relief valve is a crucial cartridge-type pressure protection valve in the excavator's multi-way valve system. Manufactured strictly according to original equipment manufacturer (OEM) technical standards, its thread specifications, orifice structure, valve core stroke, and relief pressure parameters are identical to the original parts. It supports direct cartridge replacement, eliminating the need for secondary machining such as grinding or enlarging of the valve bore during installation, significantly reducing on-site maintenance difficulty and shortening equipment downtime for repairs.

The valve body is forged from high-strength alloy steel. The valve core's mating surfaces undergo quenching and hardening treatment, followed by high-precision honing. This process strictly controls the clearance between the valve core and valve sleeve, effectively suppressing internal leakage under high-flow, high-pressure continuous operation, and stabilizing the hydraulic system's working pressure. It effectively improves various common hydraulic faults such as pressure drop under heavy loads, insufficient digging force, slow response, excessive relief noise, and machine stalling and vibration during complex operations. It is widely applicable to various high-intensity operation scenarios such as earthmoving, mining, and stone loading and unloading, ensuring stable power output and smooth operation of the entire machine.

The internal flow channels have been optimized through fluid dynamics to improve the valve's resistance to contamination, reduce the risk of valve core jamming and sudden valve failure caused by oil impurities, reduce unplanned equipment downtime, ensure continuous progress of engineering construction, and avoid economic losses caused by work stoppages.

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.