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GWEH Series Explosion-proof Directional Hydraulic Valve

GWEH Series Explosion-proof Directional Hydraulic Valve

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GWEH Series Explosion-proof Directional Hydraulic Valve

The GWEH series explosion-proof directional hydraulic valve is an innovative solution designed to provide optimal safety and precise control in hydraulic systems operating in hazardous environments. With its explosion-proof features, reliable performance, and advanced functionalities, this valve offers enhanced safety measures, efficient fluid flow control, and compatibility with various industrial applications.

The GWEH series explosion-proof directional hydraulic valve is a reliable and efficient solution for industries operating in hazardous environments. With its explosion-proof design, precise directional control, versatility, and high performance, this valve ensures safety and control in hydraulic systems. Following the recommended usage methods and adhering to regular maintenance practices, the GWEH series valve delivers safe and efficient operation in explosive atmospheres. Upgrade your hydraulic system with the GWEH series explosion-proof directional hydraulic valve and experience enhanced safety, optimal fluid flow control, and reliable performance.

GWEH Series Explosion-proof Directional Hydraulic Valve Key Characteristics:

  • Explosion-proof Design:
    • The GWEH series valve is engineered with a robust explosion-proof design, ensuring safe operation in environments containing flammable gases or dust.
    • It complies with stringent safety standards and certifications, minimizing the risk of ignition and ensuring the safety of personnel and equipment.
  • Control direccional:
    • This hydraulic valve provides precise directional control of fluid flow, allowing for the activation and deactivation of specific hydraulic actuators.
    • It enables smooth and reliable operation of various hydraulic functions, such as cylinder extension and retraction or motor direction changes.
  • Versatilidad y compatibilidad:
    • The GWEH series valve is highly versatile and compatible with various hydraulic systems and applications.
    • It can seamlessly integrate into industrial machinery, mobile equipment, and automation systems operating in hazardous environments.
  • Rendimiento alto:
    • With its advanced design and high-quality construction, the GWEH series hydraulic valve delivers exceptional performance and reliability.
    • It ensures consistent and precise control over fluid flow, contributing to efficient and optimized system operation.

GWEH Series Explosion-proof Directional Hydraulic Valve Parameter:

NG10

Working pressureP,A,B bar 315
Puerto T With external pilot oil drain bar 315
With internal pilot oil drain bar 210
Puerto Y With external pilot oil drain bar 210
Min. control pressure With external pilot oil supply

With internal pilot oil supply

(not apply to  C, Z, F, G, H, P, T, V)

 bar 3-position valve                             10
Spring-return 2-position valve       10
Hydraulic-return 2-position valve    7
With internal pilot oil supply
( apply to  C, Z, F, G, H, P, T, V)		 bar  4.5
Max. control pressure bar 250
Líquido Mineral oil,Phosphate ester
Rango de temperatura del fluido °C -30  to  +80 ( NBR seals
-20  to  +80 ( FKM seals )
Rango de viscosidad mm2/s 2,8 a 500
Controlled quantity in commutating process cm3 3-position valve  2.04 2-position valve  4.08
Switching times (= Valve switching time from the neutral position to the switched position)（DC ）
Control pressure bar 70 140 210 250
3-position valve EM 65 60 55 50
 2-position valve EM 80 75 70 65
Switching times (= Valve switching time from the switched position to the neutral position)
3-position valve EM 30
2-position valve EM 35 40 30 35 25 30 20 25
Flow of shortest switching time L/min about 35
Posición de instalación HC, HD, HK, HZ and HY of hydraulic return shall be installed horizontally. The rest are arbitrary

NG16

Presupuesto G-..WEH16../6B2..  type
Working pressureP,A,B  bar 350
Puerto T With external pilot oil drain  bar 250
With internal pilot oil drain   bar 210
Hydraulic-centering 3-position valve  With internal pilot oil drain is impossible
Puerto Y With external pilot oil drain  bar 210
Min. control pressure With external pilot oil supply  bar

With internal pilot oil supply  bar

 3-position valve                             14
Spring-return 2-position valve            14
Hydraulic-return 2-position valve            14
With internal pilot oil supply
( apply to  C、Z、F、G、H、P、T、V)   bar		 When applying back pressure valve or the flow is large, enginery of spool valve is 4.5 bar as  C、Z、F、G、H、P、T and V
Max. control pressure  bar 250
Líquido Mineral oil,Phosphate ester
Fluid temperature range   ℃ -30  to  +80 ( NBR seals
-20  to  +80 ( FKM seals )
Viscosity range mm2 /s 2 2,8 a 500
Switching pilot oil volume
-Spring-centering 3-position valve     cm3 5.72
-2-position valve   cm3 11.45
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure  bar 50 150 250
– Spring-centering 3-position valve   ms 65 60 58
– 2-position valve    ms 65 55 50
*Switching times (= Valve switching time from the neutral position to the switched position)
– Spring-centering 3-position valve    ms 40
– 2-position valve    ms 45 35 30
Posición de instalación C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily。
Flow of shorter switching time   L/min about 35
Weight of the valve  kg about 10.6

NG25

Presupuesto G-H-…WEH25../6B2…  type
Working pressureP,A,B  bar 350
Puerto T With external pilot oil drain  bar 250
With internal pilot oil drain   bar 210
Hydraulic-centering 3-position valve  With internal pilot oil drain is impossible
Puerto Y With external pilot oil drain  bar 210
Min. control pressure With external pilot oil supply  bar

With internal pilot oil supply  bar

 Spring-centering 3-position valve            13
Hydraulic-centering 3-position valve            18
Spring-return 2-position valve            13
Hydraulic-return 2-position valve            18
With internal pilot oil supply When applying back pressure valve or the flow is large, enginery of spool valve is 4.5 bar as  C、Z、F、G、H、P、T and V
Max. control pressure  bar 250
Líquido Mineral oil,Phosphate ester
Fluid temperature range   ℃ -30  to  +80 ( NBR seals
-20  to  +80 ( FKM seals )
Viscosity range mm2 /s 2 2,8 a 500
Switching pilot oil volume
-Spring-centering 3-position valve     cm3 14.2
-2-position valve   cm3 28.4
* Switching times (= Valve switching time from the neutral position to the switched position)(AC and DC)
Control pressure  bar 50 140 210 250
– Spring-centering 3-position valve   ms 85 75 70 65
– 2-position valve    ms 160 130 120 105
**Switching times (= Valve switching time from the neutral position to the switched position)
– Spring-centering 3-position valve    ms 40
– 2-position valve    ms 125 100 90 80
Posición de instalación C,D,K,Z,Y Type hydraulic-return valves are installed horizontally, the rest can be installed arbitrarily。
Flow of shorter switching time   L/min about 35
Weight of the valve  kg about 19

GWEH Series Explosion-proof Directional Hydraulic Valve Advantages:

• Directional valve directional the oil path by controlling the main spool
• WEH electrohydraulic control
• Two-position four-way or three-position four-way
• Installation face follows DIN 24340 A, ISO 4401, and CETOP-RP 121H Sub-plate mounting connection
• Reemplace la bobina sin liberar aceite

Usage Method Of GWEH Series Explosion-proof Directional Hydraulic Valve :

  • Hazardous Area Assessment:
    • Conduct a thorough assessment of the hazardous area to identify the specific explosion-proof requirements and classification.
    • Determine the appropriate safety measures and precautions needed to comply with the regulations.
  • Selección de válvulas:
    • Select the GWEH Series Valve with the suitable specifications, considering factors such as pressure ratings, flow capacity, and voltage requirements.
    • Ensure compatibility with the hydraulic system and the specific hazardous environment.
  • Instalación:
    • Follow the manufacturer’s instructions for proper installation of the GWEH Series Valve in the hydraulic system.
    • Ensure secure mounting and proper electrical connections, adhering to the recommended torque values and wiring guidelines.
  • Control and Activation:
    • Utilize the recommended control method, such as electrical signals or remote activation, to operate the GWEH Series Valve.
    • Connect the valve to a suitable power source and control system, following the provided wiring diagrams.

How Does A Hydraulic Control Valve Work?

A hydraulic control valve is a critical component in hydraulic systems that regulates the flow and direction of hydraulic fluid to control the operation of hydraulic actuators. It enables precise control over various hydraulic functions, such as extending or retracting cylinders, controlling motor speed and direction, or adjusting the flow rate of hydraulic fluid. Here’s an overview of how a hydraulic control valve works:

  1. Estructura de la válvula:
    • A hydraulic control valve typically consists of a valve body, spools or poppets, and various internal passages.
    • The valve body contains inlet and outlet ports for fluid connection and chambers that direct the flow.
    • The spools or poppets are movable elements within the valve body that control the flow paths and connect the appropriate ports.
  2. Control de flujo:
    • The hydraulic control valve regulates the flow of hydraulic fluid by opening and closing specific flow paths within the valve.
    • The position of the spools or poppets determines which ports are connected and allows fluid to flow in the desired direction.
  3. Control direccional:
    • Hydraulic control valves provide directional control by selectively connecting or blocking fluid flow to different hydraulic actuators.
    • By adjusting the position of the spools or poppets, the valve determines which actuator receives fluid and in which direction it moves.
  4. Actuation Methods:
    • Hydraulic control valves can be actuated using manual levers, mechanical linkages, solenoids, or pilot pressure control.
    • Manual control valves are operated by moving the levers or handles to position the spools or poppets.
    • Solenoid-controlled valves use electromagnetic coils to actuate the valve, allowing for remote or automated control.
  5. Control Modes:
    • Hydraulic control valves offer different control modes, such as 2-way, 3-way, or 4-way control.
    • A 2-way control valve controls flow in one direction, allowing or blocking fluid flow.
    • A 3-way control valve has three ports and can control the flow between two ports while blocking the third.
    • A 4-way control valve has four ports and can route fluid between two actuator ports while blocking the other two.
  6. Compensación de presión:
    • Some hydraulic control valves are equipped with pressure compensation features to maintain a consistent flow rate despite changes in system pressure.
    • These valves adjust the flow passages based on pressure differentials, allowing for precise control regardless of varying operating conditions.
  7. Feedback and Control Loops:
    • Advanced hydraulic control valves may incorporate feedback mechanisms, such as position or pressure sensors, to provide feedback to a control system.
    • This feedback enables closed-loop control, where the system can monitor and adjust the valve’s position or flow based on desired setpoints or operating conditions.

Capacidad de la fábrica:

(1) Montaje

Contamos con una plataforma de ensamblaje independiente de primera clase para investigación y desarrollo. El taller de producción de cilindros hidráulicos cuenta con cuatro líneas de ensamblaje de cilindros de elevación semiautomáticos y una línea de ensamblaje de cilindros de inclinación automáticos, con una capacidad de producción anual diseñada de 1 millón de piezas. El taller de cilindros especiales está equipado con un sistema de ensamblaje de limpieza semiautomático de diversas especificaciones, con una capacidad de producción anual diseñada de 200,000 unidades, y está equipado con reconocidos equipos de mecanizado CNC, un centro de mecanizado, equipos especiales de procesamiento de cilindros de alta precisión, una máquina de soldadura robotizada, una máquina de limpieza automática, una máquina de ensamblaje de cilindros automáticos y una línea de producción de pintura automática. Contamos con más de 300 equipos críticos. La asignación óptima y el uso eficiente de los recursos de equipo garantizan la precisión y la alta calidad de los productos.

(2) Mecanizado

El taller de mecanizado está equipado con un centro de torneado de carril inclinado personalizado, un centro de mecanizado, una máquina de bruñido de alta velocidad, un robot de soldadura y otros equipos relacionados, que pueden procesar tubos cilíndricos con un diámetro interior máximo de 400 mm y una longitud máxima de 6 metros.

(3) Soldadura

(4) Pintura y revestimiento

Con pequeñas y medianas líneas de cilindros automáticos de recubrimiento de pintura a base de agua, para lograr la carga y descarga automática de robots y pulverización automática, la capacidad de diseño de 4000 piezas por turno;
También disponemos de una línea semiautomática de producción de pintura para grandes cilindros accionada por cadena, con una capacidad de diseño de 60 cajas por turno.

(5) Pruebas

Disponemos de instalaciones de inspección y bancos de pruebas de primera clase para garantizar que el rendimiento del cilindro cumple los requisitos.

 

 

Somos uno de los mejores fabricantes de cilindros hidráulicos. Ofrecemos cilindros hidráulicos integrales. También proporcionamos... cajas de cambios agrícolasHemos exportado nuestros productos a clientes de todo el mundo y nos hemos ganado una excelente reputación gracias a nuestra excelente calidad y servicio posventa. Invitamos a clientes nacionales e internacionales a contactarnos para negociar negocios, intercambiar información y... colabore con nosotros!

 

Cilindro hidráulico Aplicación:

Dos tipos básicos y principios de funcionamiento del cilindro hidráulico:

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