Single Overcenter Valve Safety Balance Valve for Crane with 40L/Min

• Function: Balance
• Installation: Threaded Cartridge
• Drive: Hydraulic
• Type: Directly Operated Type
• Max Pressure: 320bar
• Max Flow Rate: 40L/Min
• Model NO.: VBCD-G38-SE
• Working Temperature: -20°c-80°c
• Control Ratio: 1:4.25
• Operating Temperature: Normal Temperature
• Applicable Temperature: -20°c-80°c
• Channel Position: Two-Way Type
• Flow Direction: Unidirectional
• Material: Cast Steel
• Transport Package: Wooden Box
• Specification: G3/8
• Trademark: YiKDE
• Origin: China
• HS Code: 8481201090
• Production Capacity: 50000 PCS Each Year

Product Description

Single Overcenter Valve Safety Balance Valve for Crane with 40L/Min

Introduction

A hydraulic single over-center valve, also known as an over-center or counterbalance valve, is a crucial component in hydraulic systems. It effectively controls the movement of actuators such as cylinders or motors, especially in situations that require precise load control or load retention.

In simple terms, a single hydraulic over centre valve is essential for providing carefully controlled movement and secure load holding within hydraulic systems. This ensures safety, stability, and maximum efficiency across a wide range of industrial and mobile equipment applications.

The primary function of a single overcentre valve is to provide dynamic load control influenced by gravitational or inertial forces. These valves ensure that actuators, such as cylinders, operate smoothly and safely in both directions, preventing unintended drifting or runaway movements under load.

Here's a typical operational overview:

Controlled Movement	As the actuator (such as a cylinder) extends or retracts, the over-center valve allows fluid to flow in the direction of movement, providing unrestricted flow for fast operation.
Load Holding	When the actuator reaches the desired position, the valve moves to a closed or throttled position. This restricts the flow of hydraulic fluid from the actuator's rod end, creating a counterbalance to external forces (such as gravity or a load pushing down). This prevents the actuator from moving unintentionally and maintains the position even when the hydraulic system is not actively supplying pressure.
Safety and Stability	By preventing the actuator from running away under load, the over-center valve increases safety and stability in various hydraulic applications such as lifting, lowering, and holding.

 

Product Parameters

MWP	31.5Mpa
Max Flow	40L/min
Working Temperature	-20°C-80°C
Control Ratio	1:4.25

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FAQ

Q1: Are you a distributor or a manufacturer?
A: We are a distinguished manufacturer with full legal rights to engage in import and export activities.

Q2: What is your typical delivery time?
A: Generally, our delivery time is 5-10 days for items in stock and 30-40 days for items not in stock.

Q3: Do you provide samples? Are they free or is there an additional cost?
A: Yes, we provide samples, but they come with an additional cost.

Q4: What are your payment terms?
A: For payments under USD 1000, a full 100% deposit is required. For amounts exceeding USD 1000, a 30% T/T deposit is required in advance, with the remaining balance payable before shipment.