ZDZ Series Direct Operated Pressure Sequence Hydraulic Valve
The ZDZ series direct-operated pressure sequence hydraulic valve is a cutting-edge product that provides accurate pressure control and sequencing in hydraulic systems. With its advanced direct-operated design and exceptional functionality, this valve ensures precise control over the sequence of hydraulic pressures, enabling efficient operation of various hydraulic circuits.
The ZDZ series direct-operated pressure sequence hydraulic valve is a reliable solution for precise pressure control and sequencing in hydraulic systems. With its direct-operated design, accurate pressure regulation, sequential operation, and wide pressure range, this valve ensures multiple hydraulic circuits’ efficient and coordinated functioning. By following the recommended usage methods and maintenance practices, the ZDZ series valve delivers consistent performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the ZDZ series direct operated pressure sequence hydraulic valve and experience optimal pressure control and sequencing for enhanced system efficiency and productivity.
ZDZ Series Direct Operated Pressure Sequence Hydraulic Valve Key Characteristics:
- Direct-Operated Design:
- The ZDZ series valve features a direct-operated design, eliminating the need for external pilot circuits.
- This design simplifies installation, reduces system complexity, and improves overall efficiency.
- Accurate Pressure Control:
- This valve offers exceptional accuracy in pressure control, ensuring precise and reliable pressure regulation in hydraulic systems.
- It allows for precise adjustment and maintenance of desired pressure levels, enhancing system performance.
- Sequential Operation:
- The ZDZ series valve enables the sequential operation of hydraulic circuits, controlling the order in which different processes occur.
- This feature ensures smooth and coordinated functioning, optimizing system efficiency and productivity.
- Wide Pressure Range:
- The valve is available in various pressure ranges, making it suitable for diverse hydraulic systems and applications.
- This versatility allows customization to meet specific pressure control requirements, accommodating various operational needs.
ZDZ Series Direct Operated Pressure Sequence Hydraulic Valve Parameter:
| Specifications | NG6 | NG10 | |||
| Fluid | Mineral oil suitable for NBR and FKM seal | ||||
| Phosphate ester for FKM seal | |||||
| Fluid temperature range | ℃ | -30 ~ +80 (NBR seals) | |||
| -20 ~ +80 (FKM seals) | |||||
| Viscosity range | mm2/s | 10 ~ 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 | bar | 315 | 210 | |
| Port Y | bar | 160 | |||
| Max sequence pressure set | bar | 25; 75; 150; 210; 315 | / | ||
| Max sequence pressure set(adjustable) Port B | bar | / | 25; 75; 150; 210; | ||
| Max. flow-rate | L/min | 60 | 80 | ||
| Weight | kg | about 1.6 | about 3 | ||
ZDZ Series Direct Operated Pressure Sequence Hydraulic Valve Advantages:
NG6
• Direct structure
• Installation face follow DIN 24340 A and ISO 4401
• Five pressure ranges
• Two adjustment types: knob, adjustment screw with protection cap
• With pressure gauge interface
• Optional one directional valve
NG10
• Direct structure
• Installation face follow DIN 24340 A and ISO 4401
• Four pressure ranges
• Two adjustment types: knob, adjustment screw with protection cap
• With pressure gauge interface
• Optional one directional valve
Usage Method Of ZDZ Series Direct Operated Pressure Sequence Hydraulic Valve:
- System Analysis:
- Perform a comprehensive hydraulic system analysis to determine the specific pressure control and sequencing requirements.
- Consider the desired pressure levels, pressure differentials, and flow rates in different circuits.
- Valve Selection:
- Select the appropriate ZDZ series valve variant based on the pressure control and sequencing specifications.
- Consider pressure rating, flow capacity, and compatibility with other system components.
- Installation:
- Follow the manufacturer’s instructions to correctly install the hydraulic system’s ZDZ series direct operated pressure sequence valve.
- Ensure proper alignment and secure connections to prevent leaks and optimize performance.
- Calibration:
- Calibrate the valve to set the desired pressure levels and sequence.
- Utilize pressure gauges or other measurement devices to adjust the valve for optimal pressure control accurately.
How Does A Hydraulic Servo Valve Work?
A hydraulic servo valve is a precision control valve used in hydraulic systems to accurately regulate the flow and direction of hydraulic fluid. It operates by converting an electrical signal into a hydraulic output, allowing for precise control and positioning of hydraulic actuators. Here’s how a hydraulic servo valve works:
- Valve Construction:
- A hydraulic servo valve consists of a valve body, a spool or poppet mechanism, and electrical connections.
- The valve body contains inlet and outlet ports for hydraulic fluid, while the spool or poppet controls the flow of fluid through the valve.
- Electrical Input:
- An electrical input signal, typically from a control system or a feedback device, is sent to the servo valve.
- This electrical signal represents the desired position or level of control for the hydraulic actuator.
- Pilot Stage:
- The electrical input signal is received by the pilot stage of the servo valve.
- The pilot stage typically consists of a small solenoid valve or a torque motor that receives and converts the electrical signal into a mechanical force.
- Spool or Poppet Movement:
- The mechanical force generated by the pilot stage moves the spool or poppet inside the valve body.
- The movement of the spool or poppet controls the size and position of the flow passages, regulating the flow of hydraulic fluid.
- Hydraulic Output:
- As the spool or poppet moves, it allows hydraulic fluid to flow through the valve, directing it to the appropriate hydraulic actuator.
- The flow of fluid to the actuator causes it to move, achieving the desired position or control as determined by the electrical input signal.
- Feedback System:
- In some servo valve systems, a feedback mechanism is employed to provide information about the actual position or status of the actuator.
- This feedback is used to compare with the desired position, allowing for continuous adjustment and accurate control.
- Control Loop:
- The servo valve operates in a closed-loop control system, where the feedback information is continuously compared to the desired input signal.
- Any deviation between the actual and desired positions is corrected by adjusting the servo valve’s spool or poppet position.
- Application Examples:
- Hydraulic servo valves are commonly used in applications that require precise control, such as robotics, aerospace systems, industrial machinery, and flight simulators.
Capacidad de la fábrica:
(1) Montaje
We have a first-class independent research and development assembly platform. The hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one automatic tilt cylinder assembly line, with a designed annual production capacity of 1 million pieces. The special cylinder workshop is equipped with various specifications of a semi-automatic cleaning assembly system with a designed annual production capacity of 200,000 and equipped with famous CNC machining equipment, a machining center, a high-precision cylinder processing special equipment, a robot welding machine, an automatic cleaning machine, automatic cylinder assembly machine, and automatic painting production line. Existing critical equipment of more than 300 sets (sets). The optimal allocation and efficient use of equipment resources ensure the accuracy requirements of products and meet the high-quality needs of products.
(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.
We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding cajas de cambios agrícolas. 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 colabore con nosotros!