YN30V00119F1 Hydraulic Hold Valve Control Valve Balance Valve SK210-8 SK260-8 SK250-8 SK350-8 SK380-8 Excavator Mechanical Parts

YN30V00119F1 Hydraulic Hold Valve Control Valve Balance Valve SK210-8 SK260-8 SK250-8 SK350-8 SK380-8 Excavator Mechanical Parts

Product Description

The GVO excavator relief valve, compatible with SK210-8 SK260-8 SK250-8 SK350-8 SK380-8 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 relief valve is a pressure protection component specially developed for the multi-way hydraulic systems of SK210-8, SK260-8, SK250-8, SK350-8, and SK380-8 series excavators. As a core safety pressure regulating element of the hydraulic system, it is responsible for limiting the maximum working pressure of the system, automatically discharging under overload conditions, and stabilizing the pressure of the return circuit. It is an important accessory that ensures the smooth operation of the main distribution valve, hydraulic pump, and hydraulic cylinders of the excavator, which are precision hydraulic components. 

In high-intensity operation scenarios such as earthwork excavation, heavy-load mining in mines, and infrastructure crushing, when the excavation load suddenly increases and the hydraulic circuit pressure exceeds the preset safety threshold, this relief valve can quickly respond and open, redirecting the excess hydraulic oil for backflow and pressure relief, suppressing instantaneous high-pressure shock, and avoiding serious faults such as pipe burst, pump body scratching, and valve component deformation. It builds a reliable pressure protection barrier for the entire hydraulic system of the excavator. The valve body installation holes, oil passage layout, and internal valve core assembly are strictly in accordance with the original factory structural dimensions, fully compatible with the above 8 generations of models, and do not require modification of the piping and installation base. Maintenance personnel can quickly complete disassembly, replacement, and installation, significantly reducing the downtime of the equipment and effectively lowering the economic losses caused by project shutdowns. It is highly suitable for emergency repairs on construction sites and daily maintenance and replacement in repair shops.

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.