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.
Aptidão e capacidade da fábrica:
(1) Montagem
Temos uma plataforma de montagem de pesquisa e desenvolvimento independente de primeira classe. A oficina de produção de cilindros hidráulicos tem quatro linhas de montagem semiautomáticas de cilindros de elevação e uma linha de montagem automática de cilindros de inclinação, com uma capacidade de produção anual projetada de 1 milhão de peças. A oficina de cilindros especiais é equipada com várias especificações de um sistema de montagem de limpeza semiautomática com uma capacidade de produção anual projetada de 200.000 peças e equipada com famosos equipamentos de usinagem CNC, um centro de usinagem, um equipamento especial de processamento de cilindros de alta precisão, uma máquina de solda robotizada, uma máquina de limpeza automática, uma máquina de montagem automática de cilindros e uma linha de produção de pintura automática. O equipamento crítico existente é de mais de 300 conjuntos (conjuntos). A alocação ideal e o uso eficiente dos recursos do equipamento garantem os requisitos de precisão dos produtos e atendem às necessidades de alta qualidade dos produtos.
(2) Usinagem
A oficina de usinagem é equipada com um centro de torneamento de trilho inclinado personalizado, um centro de usinagem, uma máquina de brunimento de alta velocidade, um robô de soldagem e outros equipamentos relacionados, que podem lidar com o processamento de tubos de cilindros com diâmetro interno máximo de 400 mm e comprimento máximo de 6 metros.
(3) Soldagem
(4) Pintura e revestimento
Com linhas de revestimento de tinta à base de água automáticas de cilindros de pequeno e médio porte, para obter carregamento e descarregamento automáticos de robôs e pulverização automática, a capacidade projetada é de 4.000 peças por turno;
Também temos uma linha de produção de tinta semiautomática para cilindros grandes, acionada por uma corrente elétrica, com capacidade de projeto de 60 caixas por turno.
(5) Testes
Temos instalações de inspeção e bancos de teste de primeira classe para garantir que o desempenho do cilindro atenda aos requisitos.
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