DA(W) Series Pilot Operated Pressure Shut-off Hydraulic Valve

The DA(W) series pilot-operated pressure shut-off hydraulic valve is an exceptional component designed to provide safe and reliable pressure control in hydraulic systems. With its innovative pilot-operated design and remarkable features, this valve ensures efficient regulation of hydraulic pressures, optimizing system performance across various applications.

The DA(W) series pilot-operated pressure shut-off hydraulic valve is the ultimate solution for safe and reliable pressure control in hydraulic systems. With its pilot-operated design, safe pressure control, shut-off functionality, and versatile pressure range, this valve ensures efficient and secure operation of hydraulic systems. By following the recommended usage methods and maintenance practices, the DA(W) series valve delivers consistent performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the DA(W) series pilot-operated pressure shut-off hydraulic valve and experience superior pressure control and shut-off capabilities for enhanced system safety and reliability.

DA(W) Series Pilot Operated Pressure Shut-off Hydraulic Valve Key Characteristics:

• Pilot-Operated Design:
  • The DA(W) series valve features a pilot-operated design, utilizing a small control valve to regulate the main shut-off valve.
  • This design enhances control precision, responsiveness, and stability, ensuring accurate pressure control and shut-off functionality.
• Safe Pressure Control:
  • This valve provides a safe and reliable solution for pressure control in hydraulic systems.
  • It effectively prevents pressure spikes, overloads, and potential damage to system components, ensuring optimal system safety.
• Shut-off Functionality:
  • The DA(W) series valve is equipped with a shut-off feature, allowing for instant blocking of hydraulic flow when necessary.
  • This shut-off functionality is crucial in emergency situations or when rapid cessation of hydraulic fluid flow is required.
• Versatile Pressure Range:
  • The valve is available in various pressure ranges, catering to different hydraulic system requirements.
  • This versatility allows customization to suit specific pressure control needs, accommodating a wide range of applications.

DA(W) Series Pilot Operated Pressure Shut-off Hydraulic Valve Parameter:

DA(W) Series Pilot Operated Pressure Shut-off Hydraulic Valve Advantages:

• Used for bottom sub-plate mounting
• Installation face follows DIN 24340 D and ISO 5781
• Used in oil path block installation
• Four pressure ranges
• Two adjustment types: knob, adjustment screw with protection cap
• Solenoidic unload valve

Usage Method Of DA(W) Series Pilot Operated Pressure Shut-off Hydraulic Valve:

• System Analysis:
  • Conduct a comprehensive analysis of your hydraulic system to determine specific pressure control requirements.
  • Consider desired pressure levels, flow rates, and system safety protocols.
• Valve Selection:
  • Select the appropriate variant of the DA(W) series valve based on your system’s pressure control specifications.
  • Consider pressure rating, flow capacity, and compatibility with other system components.
• Installation:
  • Follow the manufacturer’s instructions to install the DA(W) series pilot correctly operated pressure shut-off valve in your hydraulic system.
  • Ensure proper alignment and secure connections to prevent leaks and optimize performance.
• Calibration and Adjustment:
  • Calibrate the valve to set the desired pressure levels and shut-off parameters.
  • Utilize pressure gauges or other measurement devices to accurately adjust the valve for optimal pressure control and shut-off functionality.

How Does A Hydraulic Spool Valve Work?

A hydraulic spool valve is a type of directional control valve used in hydraulic systems to control the direction of fluid flow. It consists of a cylindrical spool that slides within a valve body and has various ports and passages. The movement of the spool determines which ports are open or closed, thereby directing the hydraulic fluid to different actuators or hydraulic components. Here’s a step-by-step explanation of how a hydraulic spool valve works:

1. Valve Construction:
   • A hydraulic spool valve typically consists of a valve body, a spool, and control mechanisms such as handles or solenoids.
   • The valve body contains the ports, passages, and chambers for fluid flow.
   • The spool is a cylindrical component with lands, or sections, that block or allow fluid flow depending on its position.
   • Control mechanisms, such as handles or solenoids, move the spool.
2. Neutral Position:
   • In the neutral position, the spool is centered within the valve body, blocking all fluid flow between the ports.
   • This prevents hydraulic fluid from entering or exiting the valve.
3. Handle/Solenoid Actuation:
   • When a handle is moved or a solenoid is energized, it exerts a force on the spool, causing it to shift from the neutral position.
   • The spool movement is typically achieved by mechanical linkage or hydraulic pressure acting on the spool.
4. Port Opening and Closing:
   • As the spool moves, it uncovers specific ports and passages within the valve body.
   • This allows hydraulic fluid to flow from the inlet port to the desired outlet port.
5. Directional Fluid Flow:
   • The position of the spool determines the flow direction of the hydraulic fluid.
   • For example, if the spool is shifted to the left, it connects the inlet port to the left outlet port, allowing fluid to flow in that direction.
   • Similarly, when the spool is shifted to the right, fluid flows from the inlet port to the right outlet port.
6. Control of Actuators:
   • By connecting the appropriate ports to actuators such as cylinders or hydraulic motors, the spool valve controls their movement.
   • Depending on the configuration, the spool valve can enable, disable, or reverse the operation of hydraulic actuators.
7. Return to Neutral Position:
   • When the handle is released or the solenoid is de-energized, the spool returns to the neutral position.
   • This blocks fluid flow between the ports, stopping actuator movement and maintaining system stability.

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。

We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding 农用齿轮箱. We have exported our products to clients worldwide and earned a good reputation because of our superior product quality and after-sales service. We welcome customers at home and abroad to contact us to negotiate business, exchange information, and 与我们合作!