G.DBW Series Pilot Operated Explosion-proof Pressure Relief Hydraulic Valve
The G.DBW series pilot-operated explosion-proof pressure relief hydraulic valve is a cutting-edge hydraulic component specifically designed for applications in hazardous environments. With its exceptional explosion-proof features and reliable pressure relief capabilities, this valve ensures the utmost safety and performance in critical hydraulic systems.
The G.DBW series pilot-operated explosion-proof pressure relief hydraulic valve is the ultimate solution for ensuring safety and reliability in hazardous environments. With its explosion-proof design, reliable pressure relief capabilities, precise pressure control, and versatility, this valve delivers exceptional performance and protection in critical hydraulic systems; by following the recommended usage methods and maintenance practices, the G.DBW series valve guarantees longevity, safety, and optimal functionality. Upgrade your hydraulic system with the G.DBW series pilot-operated explosion-proof pressure relief hydraulic valve and experience unparalleled safety and reliability in hazardous environments.
G.DBW Series Pilot Operated Explosion-proof Pressure Relief Hydraulic Valve Key Characteristics:
- Explosion-proof Design:
- The G.DBW series valve is engineered with an explosion-proof design, making it suitable for use in environments where flammable gases or vapors are present.
- It meets rigorous safety standards and complies with industry regulations, reducing the risk of ignition or explosion in hazardous areas.
- Reliable Pressure Relief:
- This valve offers reliable pressure relief capabilities, protecting hydraulic systems from excessive pressure buildup.
- It automatically opens when the system pressure exceeds the set limit, diverting excess fluid to a low-pressure outlet and preventing potential damage or failures.
- Precise Pressure Control:
- The G.DBW series valve provides precise pressure control, allowing operators to set desired pressure levels within hydraulic systems.
- This feature ensures optimal system performance, protecting sensitive components and enhancing efficiency.
- Versatility and Customization:
- The valve is available in various sizes, pressure ratings, and configurations, accommodating various system requirements.
- It offers customization options for specific hydraulic applications, providing flexibility and adaptability.
G.DBW Series Pilot Operated Explosion-proof Pressure Relief Hydraulic Valve Parameter:
| Installation position | Optional | ||||||
| Weight | G…DBW…10 | G…DBW…15 | G…DBW…20 | G…DBW…25 | G…DBW…30 | ||
| Base sub-plate mounting G…DBW | kg | about 5.6 | – | about 6.5 | – | about 7.9 | |
| threaded connection G…DBW..G.. | kg | about 7.9 | about 7.8 | about 7.7 | about 8.5 | about 8.4 | |
| Switching shock damping | kg | about 0.6 | |||||
| Technical parameters of directional valve | Refer to the solenoid valvetype G…WE6,normally close use G…3WE6A9, normally open use G…3WE6B9 | ||||||
| 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 | Port A, B, X, P | bar | 350 | ||||
| Port Y or T DBW | bar | 210 | |||||
| Max. setting pressure | bar | 50; 100; 200; 315; 350 | |||||
| Min. | bar | Interrelated with Q(Refer to the characteristic curve) | |||||
| NS (NG) | 10 | 15 | 20 | 25 | 30 | ||
| Max. flow-rate | Base Sub-plate mounting | L/min | 250 | – | 500 | – | 650 |
| threaded connection | L/min | 250 | 500 | 500 | 500 | 650 | |
G.DBW Series Pilot Operated Explosion-proof Pressure Relief Hydraulic Valve Advantages:
• Used for bottom sub-plate mounting
• Installation face follow DIN 24340 E and ISO 6264
• Used in screw connection, Used for bottom sub-plate mounting
• Five pressure ranges
• Unloading operation via a built-on solenoid directional valv
• Two adjustment types: knob, adjustment screw with protection cap
• Optional switching shock damping
Usage Method Of G.DBW Series Pilot Operated Explosion-proof Pressure Relief Hydraulic Valve:
- Hazardous Environment Evaluation:
- Conduct a thorough evaluation of the hydraulic system’s operating environment to determine if it falls under hazardous classifications.
- Consider factors such as flammable gases, vapors, or combustible dust.
- Compliance and Certification:
- Ensure that the G.DBW series valve meets the necessary explosion-proof and safety standards for the specific hazardous environment.
- Verify compliance with regulatory bodies and obtain the appropriate certifications.
- Valve Selection:
- Select the appropriate variant of the G.DBW series valve based on system specifications, including pressure requirements and flow capacity.
- Consider factors such as compatibility with other system components and the desired pressure relief setting.
- Installation:
- Follow the manufacturer’s instructions for properly installing the G.DBW series valve in the hydraulic system.
- Ensure secure connections, proper grounding, and adherence to safety guidelines.
How Does A Hydraulic Spool Valve Work?
A hydraulic valve is a crucial component in hydraulic systems that controls the flow and direction of hydraulic fluid. It is responsible for regulating the pressure, allowing fluid to pass through, and directing it to various actuators or hydraulic components. The working principle of a hydraulic valve can be summarized as follows:
- Valve Structure:
- A hydraulic valve consists of a valve body, which houses the internal components, and a movable valve element, such as a spool or poppet.
- The valve body contains ports, passages, and chambers facilitating fluid flow.
- Fluid Flow Control:
- When hydraulic fluid enters the valve through the inlet port, it encounters the valve element, determining the flow path.
- The valve element can be moved manually, mechanically, or through hydraulic pressure.
- Valve Positions:
- Hydraulic valves have different positions, including open, closed, and partially open, which control the fluid flow.
- In the closed position, the valve blocks the flow of fluid entirely.
- In the open position, the valve allows fluid to flow freely through the specified ports.
- In the partially open position, the valve restricts or controls the flow rate of the fluid.
- Spool Valve Operation:
- In a spool valve, a cylindrical spool with lands or channels controls the fluid flow.
- By moving the spool within the valve body, different lands align with specific ports, enabling or blocking fluid flow.
- The movement of the spool is typically achieved using mechanical linkage, solenoids, or hydraulic pressure acting on the spool.
- Poppet Valve Operation:
- In a poppet valve, a movable poppet or disc seals or unseals the fluid flow passage.
- When the poppet is in the closed position, it rests against a seat, blocking fluid flow.
- To open the valve, the poppet is moved away from the seat, allowing fluid to flow through the passage.
- Control Mechanisms:
- Hydraulic valves can be operated manually, mechanically, or through electrical means.
- Manual control involves levers, knobs, or handles to position the valve element manually.
- Mechanical control utilizes mechanical linkages or actuators to move the valve element.
- Electrical control employs solenoids or other electrically controlled devices to shift the valve element.
- Actuator Control:
- Hydraulic valves direct fluid to various hydraulic actuators, such as cylinders or motors.
- By opening or closing the appropriate valve ports, the hydraulic system can control the movement and operation of the actuators.
- System Stability and Safety:
- Hydraulic valves play a vital role in maintaining system stability and safety.
- Pressure relief valves, for example, protect the system from overpressure by diverting excess fluid to a low-pressure outlet.
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!