LS22V00002F1 LS22V00009F1 Excavator SK480-6 SK480-6E SK485-8 SK485-9 SK450-8 SK430-8 Auxiliary Relief Valve Safety Valve

LS22V00002F1 LS22V00009F1 Excavator SK480-6 SK480-6E SK485-8 SK485-9 SK450-8 SK430-8 Auxiliary 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 SK480-6E, SK485-8, and SK485-9 excavators, and is an essential replacement part for the hydraulic systems of heavy-duty construction machinery. The product adopts a mature cartridge structure, boasts strong pressure resistance, and its hydraulic parameters are perfectly matched with the original vehicle system. It is directly interchangeable with original equipment manufacturer (OEM) parts, offering convenient installation and suitability for various construction environments in overseas mines and infrastructure projects.

The valve body is made of high-strength alloy steel, precision CNC machining, deep heat treatment for strengthening, and high-precision honing of the internal bore. The internal valve core undergoes meticulous matching and grinding, with strict control over the fit clearance to minimize internal leakage during operation.

When the equipment's operating pressure exceeds the rated range, the relief valve can quickly and sensitively open to release pressure, buffering high-pressure hydraulic shocks and effectively protecting high-value precision components such as the main hydraulic pump, multi-way distribution valve, and hydraulic pipelines, preventing major malfunctions such as pipe bursts and valve damage.

The product's installation shape, thread specifications, and oil port layout are completely in line with the original parts standard, supporting direct insertion and replacement without additional processing or debugging. The pressure adjustment range matches the original vehicle's hydraulic parameters, and the pressure is not prone to drift during long-term continuous operation, making it perfectly suited for heavy-duty construction scenarios such as mining and large-scale earthwork projects.

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.