DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve

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DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve

The DB(W) series pilot-operated pressure relief hydraulic valve is a high-performance component that provides precise and reliable pressure control in hydraulic systems. With its advanced pilot-operated design and exceptional functionality, this valve ensures efficient and safe operation by regulating system pressure within desired limits.

The DB(W) series pilot-operated pressure relief hydraulic valve is a high-performance solution for precise pressure control in hydraulic systems. With its pilot-operated design, pressure control accuracy, wide pressure range, and fast response time, this valve ensures efficient and safe operation while protecting system components. Following the recommended usage methods and maintenance practices, the DB(W) series valve delivers reliable performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the DB(W) series pilot-operated pressure relief hydraulic valve and experience optimal pressure control for enhanced system efficiency and productivity.

DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve Key Characteristics:

  • Pilot-Operated Design:
    • The DB(W) series valve features a pilot-operated design, allowing it to deliver precise pressure control in hydraulic systems.
    • It utilizes a control pilot to modulate the main valve, providing accurate and responsive pressure relief.
  • Pressure Control Accuracy:
    • This valve offers exceptional pressure control accuracy, ensuring the hydraulic system operates within desired pressure limits.
    • It maintains consistent pressure levels, preventing over-pressurization and protecting system components.
  • Wide Pressure Range:
    • The DB(W) series valve provides a wide pressure control range, making it suitable for various hydraulic applications.
    • It allows customization to match specific system requirements and optimize performance.
  • Fast Response Time:
    • With its pilot-operated mechanism, the DB(W) series valve exhibits a rapid response time to changes in pressure.
    • It swiftly adjusts the flow path to relieve excess pressure, ensuring stable and reliable system operation.

DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve Parameter:

NS 6 10
Fluid Mineral oil suitable for NBR and FKM seal
Phosphate ester for FKM seal
Fluid temperature range -30 to +80(NBR seal)
-20 to +80(FKM seal)
Viscosity range mm2/s 10 to 800
Degree of contamination Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406
Max. operating  pressure bar 315
Max. adjustable pressure bar 50; 100; 200; 315
Max. flow-rate L/min to 60 to 100
Weight kg about 0.22 about 0.3

DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve Advantages:

• Plug-in structure
• Four pressure ranges
• Two adjustment types: knob, adjustment screw with protection cap

Usage Method Of DB(W) Series Pilot Operated Pressure Relief Hydraulic Valve:

  • System Analysis:
    • Conduct a comprehensive hydraulic system analysis to determine the specific pressure control requirements.
    • Consider maximum operating pressure, desired pressure range, and flow rates.
  • Valve Selection:
    • Select the appropriate DB(W) series valve variant based on the system’s pressure control specifications.
    • Consider pressure rating, flow capacity, and compatibility with other system components.
  • Installation:
    • Follow the manufacturer’s instructions to correctly install the DB(W) series pilot operated pressure relief valve in the hydraulic system.
    • Ensure proper alignment and secure connection to prevent leaks and optimize performance.
  • Pressure Adjustment:
    • Adjust the valve’s control pilot to set the desired pressure relief level.
    • Refer to the valve’s technical documentation for guidance on accurately adjusting the pilot pressure.

How Does A Hydraulic Pressure Relief Valve Work?

A hydraulic pressure relief valve, or a pressure relief valve or safety valve, is a crucial component in hydraulic systems. Its primary function is to protect the system from overpressure by releasing excess fluid when the pressure exceeds a predetermined limit. Let’s explore how a hydraulic pressure relief valve works:

  1. Valve Operation:
    • A hydraulic pressure relief valve typically consists of a valve body, a spring-loaded control element, and an adjustable spring.
    • The valve body contains an inlet port, an outlet port, and a control chamber connected to the spring-loaded control element.
  2. Pressure Setting:
    • The pressure relief valve is pre-set or adjustable to a specific pressure level.
    • The pressure setting determines the threshold at which the valve opens to relieve excess pressure.
  3. Pressure Monitoring:
    • The pressure is monitored continuously when hydraulic fluid enters the valve through the inlet port.
    • If the pressure exceeds the pre-set limit, the control element is activated to relieve the excess stress.
  4. Control Element Activation:
    • The control element, often a spring-loaded poppet or spool, responds to the excessive pressure.
    • As the pressure rises beyond the set point, the force exerted on the control element exceeds the opposing party of the spring.
  5. Opening of the Valve:
    • When the force on the control element exceeds the spring force, the valve opens, creating a path for fluid to bypass the main flow path.
    • The excess fluid flows through the valve and exits via the outlet port, relieving the pressure in the system.
  6. Pressure Reduction:
    • As the excess fluid is diverted through the relief valve, the pressure in the system decreases.
    • The valve remains open until the pressure drops below the pre-set limit.
  7. Pressure Stabilization:
    • Once the pressure decreases below the setpoint, the control element returns to its original position, closing the valve.
    • The hydraulic system resumes regular operation, with the pressure controlled within the desired range.

工厂的能力和产能:

(1) 装配

我们拥有一流的自主研发装配平台。液压油缸生产车间拥有 4 条半自动提升油缸装配线和 1 条全自动倾斜油缸装配线,设计年生产能力 100 万支。特种油缸车间配备了各种规格的半自动清洗装配系统,设计年生产能力 20 万只,并配备了知名数控加工设备、加工中心、高精度油缸加工专用设备、机器人焊接机、自动清洗机、油缸自动装配机、自动喷漆生产线等。现有关键设备 300 多台(套)。设备资源的优化配置和高效利用,保证了产品的精度要求,满足了产品的高质量需求。

(2) 机加工

加工车间配备了定制的斜轨车削中心、加工中心、高速珩磨机、焊接机器人及其他相关设备,可加工最大内径 400 毫米、最大长度 6 米的气缸管。

(3) 焊接

(4) 油漆和涂料

配备中小型圆筒自动水性漆喷涂线,实现机器人自动上下料和自动喷涂,设计产能为每班 4000 件;
我们还拥有一条由动力链驱动的大型油缸半自动喷漆生产线,设计产能为每班 60 箱。

(5) 测试

我们拥有一流的检验设施和试验台,确保气缸的性能符合要求。

 

 

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