GVO Hydraulic Check Valve Pressure Safety Valve Relief Valve SK450 SK460 SK480 SK495 Excavator Construction Machinery Parts

GVO Hydraulic Check Valve Pressure Safety Valve Relief Valve SK450 SK460 SK480 SK495 Excavator Construction Machinery Parts

Product Description

The GVO excavator relief valve, compatible with SK450 SK460 SK480 SK495 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 series of threaded cartridge-type overflow valves SK450, SK460, SK480, SK495 are specialized core hydraulic safety components for multi-way distribution valves of large-tonnage excavators. They are directly installed inside the valve holes of the main control valves and mainly perform the important functions of limiting system pressure, overloading overflow relief, and maintaining pressure stability in the hydraulic circuits. Large-tonnage models are mainly used in high-load operation scenarios such as large-scale mine mining, earth and rock removal, heavy-load infrastructure projects, and stone crushing.

The valve body is manufactured from high-strength alloy steel. The valve core and valve sleeve mating pair undergo multiple precise honing and matching grinding processes. The sealing surface of the valve port has high precision and the mating clearance is strictly controlled. It can withstand the continuous flushing of high-flow high-pressure hydraulic oil for a long time, resist wear and scratches caused by impurities in the hydraulic oil, and significantly reduce the probability of valve core sticking, valve port erosion, and internal leakage.

The internal pressure regulating spring is made of high-toughness alloy spring steel. It is strengthened through heat treatment and has excellent fatigue resistance and deformation resistance. Facing the high-frequency reciprocating pressure impact in mining conditions, it is unlikely to experience elastic fatigue, deformation, or fracture problems, and can maintain stable pressure regulating accuracy for a long time. The entire valve assembly is equipped with a high-pressure-resistant composite sealing kit, which is resistant to high temperatures and hydraulic oil corrosion. It is suitable for the harsh working conditions of high-temperature and continuous heavy-load operations on mining sites, effectively preventing internal leakage and external leakage, and avoiding problems such as aging and failure of seals, thermal machine drop pressure, and weak operation caused by sealing failure.

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.