GVO 723-46-17600 723-50-53102 070-44-12412 Main Relief Valve Pressure Relief Valve Bypass Valve PC120-6 PC130-7 Excavator Parts

GVO 723-46-17600 723-50-53102 070-44-12412 Main Relief Valve Pressure Relief Valve Bypass Valve PC120-6 PC130-7 Excavator Parts

Product Description

The GVO excavator relief valve, compatible with PC120-6 PC130-7 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 overflow valve, designed for small PC120-6 and PC130-7 medium-sized excavators, is a crucial plug-in pressure control component within the main control distribution valve. Its core function is to set and limit the maximum working pressure of the entire hydraulic system of the machine, establishing a reliable overload protection barrier for the entire hydraulic circuit.

The valve body itself is forged from high-strength alloy steel and undergoes quenching and tempering treatment. The overall mechanical strength of the valve body is excellent, with strong resistance to impact and high-pressure oil erosion. It can withstand the repeated erosion of high-pressure hydraulic oil under the heavy-load working conditions of medium-sized excavators for a long time.The valve core and valve seat are manufactured using high-precision matching grinding technology, forming a micron-level precise clearance. This ensures that the valve opens quickly and sensitively during overload relief, while maintaining a tight closure during normal operation, minimizing internal leakage of the valve component and avoiding unnecessary power loss due to abnormal overflow.

The working surface of the valve core is strengthened for wear resistance, capable of withstanding scratches and erosion caused by metal impurities mixed in the hydraulic oil. This significantly reduces the probability of valve core sticking and effectively extends the actual service life of the component. The entire sealing assembly uses high-quality sealing rings that are resistant to high pressure and corrosion by hydraulic oil. It is suitable for the wide temperature range and high-altitude working environment of medium-sized excavators, not softening or aging under high-temperature conditions, and not cracking under low-temperature conditions. This completely eliminates the problems of external oil leakage and internal oil leakage from the valve body, and perfectly adapts to the harsh working conditions with large dust and inconsistent hydraulic oil quality on construction sites.

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.