G.DBW Series Pilot Operated Explosion-proof Pressure Relief Hydraulic Valve

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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 positionOptional
WeightG…DBW…10G…DBW…15G…DBW…20G…DBW…25G…DBW…30
Base sub-plate mounting G…DBWkgabout 5.6about 6.5about 7.9
threaded connection G…DBW..G..kgabout 7.9about 7.8about 7.7about 8.5about 8.4
Switching shock dampingkgabout 0.6
Technical parameters of directional valveRefer to the solenoid valvetype G…WE6,normally close use G…3WE6A9, normally open use G…3WE6B9
FluidMineral 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 rangemm2/s10 to 800
Degree of contaminationMaximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406
Max. operating  pressurePort A, B, X, Pbar350
Port Y  or  T DBWbar210
Max. setting pressurebar50; 100; 200; 315; 350
Min.barInterrelated with Q(Refer to the characteristic curve)
NS (NG)1015202530
Max. flow-rateBase Sub-plate mountingL/min250500650
threaded connectionL/min250500500500650

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.

Возможности и мощности завода:

(1) Сборка

Мы располагаем первоклассной независимой сборочной платформой для проведения исследований и разработок. Цех по производству гидравлических цилиндров имеет четыре полуавтоматические линии сборки подъемных цилиндров и одну автоматическую линию сборки цилиндров наклона с проектной годовой производственной мощностью 1 млн. штук. Цех по производству специальных цилиндров оснащен полуавтоматической очистной сборочной системой различных спецификаций с проектной годовой производственной мощностью 200 тыс. штук и оснащен известным обрабатывающим оборудованием с ЧПУ, обрабатывающим центром, высокоточным специальным оборудованием для обработки цилиндров, роботом-сварщиком, автоматической очистной машиной, автоматической сборочной машиной цилиндров и автоматической покрасочной производственной линией. Существующее критически важное оборудование насчитывает более 300 комплектов (комплектов). Оптимальное распределение и эффективное использование ресурсов оборудования позволяет обеспечить требования к точности изделий и удовлетворить потребности в высоком качестве продукции.

(2) Механическая обработка

Цех оснащен специализированным токарным центром с наклонной направляющей, обрабатывающим центром, высокоскоростным хонинговальным станком, сварочным роботом и другим сопутствующим оборудованием, которое позволяет обрабатывать цилиндрические трубы с максимальным внутренним диаметром 400 мм и максимальной длиной 6 м.

(3) Сварка

(4) Painting & coating

With small and medium-sized cylinder automatic water-based paint coating lines, to achieve automatic robot loading and unloading and automatic spraying, the design capacity of 4000 pieces per shift;
We also have a semi-automatic paint production line for large cylinders powered by a power chain, with 60 cases per shift design capacity.

(5) Testing

We have first-class inspection facilities and test beds to ensure that the performance of the cylinder meets the requirements.

 

 

We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding agricultural gearboxes. 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 cooperate with us!

 

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