Hot Sale Hydraulic Counterbalance Valve for Hydraulic System
The balance valve is a crucial component in hydraulic systems, particularly in construction machinery and similar mechanical applications where loads are controlled by gravity. Its primary function is to maintain hydraulic balance within the system by adjusting the return oil back pressure in response to changes in the load. This balance ensures that the load can come to a halt reliably at a specific position and allows for controlled movement during descent.
By regulating the hydraulic circuit in this manner, the balance valve prevents excessive dropping of the load, which could otherwise cause damage to structural components and hydraulic pipelines. This preventive measure is essential for preserving the integrity of the machinery and ensuring safe operation on construction sites and in other industrial settings.
In summary, the balance valve plays a vital role in hydraulic systems by facilitating precise control over load movement, preventing damage due to excessive drop, and enhancing the overall safety and efficiency of construction machinery and mechanical equipment.
Function and Role:
1.Load Holding and Control: Hydraulic balance valves maintain the position of a load (like a bucket or boom on an excavator) against gravitational or external forces. They prevent unintentional movement, such as dropping or drifting.
2.Overcenter Control: They control the motion of actuators in one or both directions, allowing for smooth operation. In a dual-acting system, dual overcenter valves manage pressure on both sides, while single overcenter valves typically focus on one direction.
3.Safety: By holding a load securely, these valves prevent sudden drops or uncontrolled movements, reducing the risk of accidents or damage to equipment.
| Type |
VBCD-G38-DE |
| Max Pressure |
31.5Mpa |
| Max Flow |
40L/min |
| Control Ratio |
1:4.25 |
How Does It Work?
A hydraulic balance valve operates by sensing pressure differentials in a hydraulic system and adjusting accordingly. Here is a simplified explanation of its working principle:
Pressure Sensing: The valve contains internal mechanisms that detect changes in pressure across its inlet and outlet. These mechanisms can be pilot-operated or mechanically actuated, depending on the design.
Flow Regulation: When pressure changes, the valve adjusts its internal components (like springs or pistons) to alter the flow path. This can involve changing the orifice size, adjusting a spool position, or opening/closing a flow path, depending on the design.
Balancing Effect: By adjusting the flow based on pressure changes, the valve ensures that fluid is distributed evenly throughout the system. This balanced distribution reduces the risk of pressure spikes or fluid starvation, promoting smooth operation.
| TYPE |
STD PRESSURE |
MAX FLOW |
| VBCD-G38-DE |
320bar |
40L/min |
| VBCD-G38-DE-FL |
320bar |
40L/min |
| VBCD-G38-DE |
320bar |
60L/min |
| VBCD-G38-DE-FL |
320bar |
60L/min |
| VBCD-G12-SE-FL |
320bar |
60L/min |
| VBCD-G12-SE |
320bar |
60L/min |
| VBCD-G12-SE A |
320bar |
60L/min |
Welcome to Shandong Yikaide Hydraulic Co., Ltd.! We are a manufacturing company with the right to import and export. Our delivery time is generally 5-10 days for in-stock items and 30-40 days for items not in stock. We can provide samples upon request, however, they are not free of charge. For payment terms, orders less than $1000 require 100% payment in advance, while orders over $1000 require 30% T/T in advance and the balance before shipment.
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