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:

• 先导操作设计：
  • 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.
• 宽压力范围：
  • The DB(W) series valve provides a wide pressure control range, making it suitable for various hydraulic applications.
  • 它允许进行定制，以满足特定的系统要求并优化性能。
• 快速响应时间：
  • 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
体液			适用于 NBR 和 FKM 密封件的矿物油
			FKM密封用磷酸酯
流体温度范围		℃	-30 至 +80（丁腈橡胶密封）
			-20 至 +80（FKM 密封圈）
粘度范围		毫米2/秒	10 到 800
污染程度			允许的最大流体污染程度：9级。NAS 1638或20/18/15，ISO4406
最大工作压力		酒吧	315
Max. adjustable pressure		酒吧	50; 100; 200; 315
最大流量		升/分钟	to 60	to 100
重量		公斤	about 0.22	about 0.3

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

• Plug-in structure
• 四个压力范围
• 两种调节方式：旋钮、带保护盖的调节螺丝

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

• 系统分析：
  • 对液压系统进行全面分析，以确定具体的压力控制要求。
  • 考虑最大工作压力、所需压力范围和流量。
• 阀门选择：
  • Select the appropriate DB(W) series valve variant based on the system’s pressure control specifications.
  • 考虑压力等级、流量以及与其他系统组件的兼容性。
• 安装：
  • 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.
• 压力调节：
  • 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. 压力设定：
   • 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. 压力监测：
   • 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. 压力稳定：
   • 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。

 

 

我们是最好的液压缸制造商之一。我们能够提供全面的液压缸。我们还提供相应的 农用齿轮箱凭借卓越的产品质量和售后服务，我们的产品远销世界各地，赢得了良好的声誉。我们欢迎国内外客户与我们联系洽谈业务、交流信息，并 与我们合作!