DBD Series Direct Operated Pressure Relief Hydraulic Valve

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DBD Series Direct Operated Pressure Relief Hydraulic Valve

The DBD series direct-operated pressure relief hydraulic valve is a cutting-edge component that provides precise and reliable pressure control in hydraulic systems. With its advanced direct-operated design and exceptional performance, this valve ensures efficient and safe operation by regulating system pressure within desired limits.

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

DBD Series Direct Operated Pressure Relief Hydraulic Valve Key Characteristics:

  1. Direct-Operated Design:
    • The DBD series valve features a direct-operated design, allowing it to respond quickly and accurately to changes in system pressure.
    • It provides precise pressure relief, preventing over-pressurization and safeguarding system components.
  2. Pressure Control Range:
    • This valve offers a wide pressure control range, enabling customization to suit various hydraulic system requirements.
    • It ensures optimal pressure levels for efficient system operation and component protection.
  3. Fast Response Time:
    • The DBD Series Valve exhibits a rapid response time, swiftly adjusting the flow path to relieve excess pressure.
    • It effectively minimizes pressure spikes, ensuring stable and reliable operation of the hydraulic system.
  4. High Flow Capacity:
    • Designed to handle high flow rates, the DBD series valve allows for efficient pressure relief even in demanding hydraulic applications.
    • It maintains consistent pressure control while accommodating substantial fluid flow.

DBD Series Direct Operated Pressure Relief Hydraulic Valve Parameter:

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
NS 6 and 8 10 15 and 20 25 and 30
Operating pressure range Inlet bar to  400 to  400 to  400 to  315
Outlet bar 315
Max. flow-rate L/min See the Characteristic curve

DBD Series Direct Operated Pressure Relief Hydraulic Valve Advantages:

• Three connection methods: screw connection /sub-plate mounting
• Six pressure levels: 25、50、100、200、315、400 bar
• Two connection methods: plug-in/ threaded connection

Usage Method Of DBD Series Direct Operated Pressure Relief Hydraulic Valve :

  1. System Analysis:
    • Conduct a thorough hydraulic system analysis to determine the specific pressure control requirements.
    • Consider factors such as maximum operating pressure, desired pressure range, and compatible flow rates.
  2. Valve Selection:
    • Select the appropriate DBD series valve variant based on the system’s pressure control specifications.
    • Consider pressure rating, flow capacity, and compatibility with other system components.
  3. Installation:
    • Follow the manufacturer’s instructions to correctly install the DBD series direct-operated pressure relief valve in the hydraulic system.
    • Ensure proper alignment and secure connection to prevent leaks and optimize performance.
  4. Pressure Setting:
    • Adjust the valve’s pressure setting to the desired level using a suitable pressure control mechanism.
    • Refer to the valve’s technical documentation for guidance on accurately adjusting the pressure relief setting.

How Does A Hydraulic Lock Valve Work?

A hydraulic lock valve, a check valve or non-return valve, is a crucial component in hydraulic systems. Its primary function is to allow fluid to flow in one direction while preventing it from flowing in the opposite direction. This mechanism ensures the stability, safety, and efficiency of hydraulic systems. Let’s explore how a hydraulic lock valve works:

  1. Valve Construction:
    • A hydraulic lock valve typically consists of a valve body, a movable disc or ball, and a spring.
    • The valve body contains an inlet and outlet port, with the movable disc or ball positioned between them.
    • The spring provides the necessary force to keep the disc or ball closed or open, depending on the flow direction.
  2. Flow Control:
    • When fluid pressure at the inlet side of the valve exceeds the pressure at the outlet side, the hydraulic lock valve opens.
    • The fluid flow pushes against the movable disc or ball, overcoming the force of the spring and allowing fluid to pass through the valve.
  3. One-Way Flow:
    • Once the fluid passes through the valve, the spring pushes the disc or ball back into its closed position.
    • This closing action prevents fluid from flowing backward or reversing its direction, effectively creating a hydraulic lock.
  4. Preventing Reverse Flow:
    • In the event of a sudden pressure drop or a decrease in fluid flow on the inlet side, the spring force prevails over the fluid pressure.
    • The movable disc or ball quickly returns to its closed position, preventing reverse flow and maintaining system stability.
  5. Application Variations:
    • Hydraulic lock valves can come in different configurations, including ball, swing, and poppet check valves.
    • Ball check valves use a spherical ball as the movable element, while swing check valves use a hinged disc.
    • Poppet check valves utilize a cone-shaped or tapered poppet as the movable component.

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!

 

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