Hydraulic Unloading Valve

Types and Applications

This product is a hydraulic unloading valve, which may include an unloading relief valve variant. It is designed for use in oil-based hydraulic systems, particularly in accumulator circuits. Its primary function is to enable automatic switching between pump unloading and loading states, achieving energy-saving performance and precise system pressure control.

Design Features

The valve is primarily composed of a relief valve and a check valve (or stop-check valve). Through coordinated structural design, it provides reliable system pressure regulation and pump state switching, meeting the routine operational requirements of hydraulic systems in a scientifically engineered manner.

Working Pressure Specifications

Suitable for standard-pressure working environments, the valve's closing pressure is approximately 85% of its unloading pressure. This characteristic ensures precise matching with normal-pressure hydraulic system operations, delivering stable and reliable pressure switching performance.

Durability and Quality Assurance

All products are supplied as 100% genuine and new, manufactured according to stringent production standards. Each valve is backed by a one-year warranty, effectively reducing usage and after-sales risks for wholesalers purchasing in bulk.

Supply and Delivery Efficiency

Produced in Zhejiang, China, our products feature a short lead time of only 5–7 working days. This supports rapid inventory replenishment and meets the timeliness and turnover requirements of wholesalers in bulk purchasing scenarios.

Brand and Service Advantages

As part of the FLYING BULL brand, we leverage over 15 years of manufacturing experience to provide customized solutions and 24-hour professional sales support. Our products offer clear cost-performance advantages, making them well-suited for bulk procurement and system-matched supply of hydraulic components.

 

OE NO.: 909446763	Media: Oil
Warranty: 1 YEAR	Condition:New, 100% Brand-new
Place of Origin:Zhejiang, China	ltem:Solenoid
Brand Name:FLYING BULL	Quality:High-Quality
Delivery:5-7 Working Days	Pressure:Ordinary Pressure

 

 

FAQ 

1,What is the core type and main function of the R909446763 hydraulic unloading valve?

Answer: It is a hydraulic unloading valve (including unloading relief valve) designed to automatically switch the pump between unloading and loading states. Its core functions are pressure control of hydraulic systems and energy-saving operation, especially in accumulator systems.

2,Which medium is compatible with the R909446763 valve?

Answer: The valve is specifically engineered for hydraulic systems using oil as the medium.

3,What is the structural composition of this hydraulic unloading valve?

Answer: It is mainly composed of a relief valve and a check valve (or stop and return valve), which work together to realize system pressure regulation and pump working condition switching.

4,What are the pressure specifications of the R909446763, including the relationship between closing pressure and unloading pressure?

Answer: It supports ordinary pressure operation. The closing pressure is approximately 85% of the unloading pressure, ensuring stable pressure switching in hydraulic systems.

5,In which specific systems is this valve particularly suitable for?

Answer: It is especially ideal for accumulator systems, where it can automatically unload the hydraulic pump when the accumulator's charging pressure reaches the set value, achieving energy-saving effects.

6,What energy-saving benefits does the R909446763 bring to hydraulic systems?

Answer: In accumulator systems, the valve automatically unloads the hydraulic pump when the accumulator is fully charged-allowing the accumulator to continue supplying oil to the system while the pump operates in an energy-saving unloading state.

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