GVO Breaker Valve Pressure Relief Valve Hydraulic Safety Valve Control Valve

Product Specification

GVO Breaker Valve Pressure Relief Valve Hydraulic Safety Valve Control Valve E349 Excavator Construction Machinery Parts

Product Description

The GVO excavator relief valve, compatible with  E349  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 excavator plug-in relief valve is specially designed for heavy-duty working conditions in construction machinery. It realizes functions of pressure regulation, pressure stabilization, and overload relief overflow in the hydraulic system. The valve body is entirely made of high-quality alloy steel, which is forged and then heat-treated. It has excellent shock resistance and fatigue resistance, and can withstand the frequently changing alternating pressure during excavation operations. 

The valve core is precisely ground, with high precision of the sealing cone surface, sensitive pressure response, and crisp opening and closing. During operation, it is unlikely to encounter pressure drift, vibration, or abnormal noise. The entire sealing components are resistant to oil and high temperatures, suitable for long-term high-temperature operation of the equipment, reducing the probability of oil leakage. The product strictly follows the original vehicle installation dimensions. The threads, valve head oil holes, and positions are fully matched with the original vehicle valve holes. Maintenance and replacement can be directly disassembled and installed the old valve, without modifying the pipeline, significantly reducing the downtime of the equipment. When the system pressure exceeds the preset value, the valve core quickly opens for overflow, releasing excess hydraulic oil to avoid system overpressure and overload, providing complete protection for the hydraulic pump, distribution valve, motor, and pipelines, effectively extending the service life of the entire set of hydraulic components. It is a core hydraulic accessory in excavator maintenance that is in great demand.

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.