ZDR Series Direct Operated Pressure Reducing Hydraulic Valve

The ZDR series direct-operated pressure-reducing hydraulic valve is a highly efficient and reliable component that provides accurate pressure control in hydraulic systems. With its direct-operated design and exceptional performance, this valve ensures precise pressure reduction to meet specific system requirements.

The ZDR series direct-operated pressure-reducing hydraulic valve is a high-performance solution for precise pressure control in hydraulic systems. With its direct-operated design, accurate pressure control, wide pressure range, and high flow capacity, this valve ensures efficient and reliable pressure reduction while protecting system components. By following the recommended usage methods and maintenance practices, the ZDR series valve delivers reliable performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the ZDR series direct-operated pressure-reducing hydraulic valve and experience optimal pressure control for enhanced system efficiency and productivity.

ZDR Series Direct Operated Pressure Reducing Hydraulic Valve Key Characteristics:

• Direct-Operated Design:
  • The ZDR series valve features a direct-operated design, which enables it to provide precise pressure control without the need for external pilot circuits.
  • This design simplifies installation and reduces complexity in hydraulic systems.
• Accurate Pressure Control:
  • This valve offers exceptional accuracy in pressure control, allowing hydraulic systems to maintain the desired pressure range with high reliability.
  • It ensures stable operation and protects sensitive system components from excessive pressure.
• Wide Pressure Range:
  • The ZDR series valve is available in various pressure ranges, making it suitable for diverse hydraulic applications.
  • The flexibility in pressure range allows customization to match specific system requirements and optimize performance.
• High Flow Capacity:
  • This valve exhibits excellent flow capacity, enabling it to handle high flow rates while maintaining precise pressure control.
  • It ensures efficient fluid regulation and uninterrupted system operation, even in demanding applications.

ZDR Series Direct Operated Pressure Reducing Hydraulic Valve Parameter:

ZDR Series Direct Operated Pressure Reducing Hydraulic Valve Advantages:

• Sandwich type 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 ZDR Series Direct Operated Pressure Reducing Hydraulic Valve:

• System Analysis:
  • Conduct a thorough hydraulic system analysis to determine the specific pressure control requirements.
  • Consider maximum operating pressure, desired pressure range, and flow rates.
• Valve Selection:
  • Select the appropriate ZDR series valve variant based on the system’s pressure control specifications.
  • Consider pressure rating, flow capacity, and compatibility with other system components.
• Installation:
  • Follow the manufacturer’s instructions to correctly install the ZDR series direct-operated pressure-reducing valve in the hydraulic system.
  • Ensure proper alignment and secure connections to prevent leaks and optimize performance.
• Calibration:
  • Calibrate the valve to set the desired downstream pressure.
  • Utilize pressure gauges or other measurement devices to adjust the valve for optimal pressure control accurately.

How Does A Hydraulic Selector Valve Work?

A hydraulic selector valve, also known as a hydraulic diverter valve or hydraulic control valve, is a device used to direct the flow of hydraulic fluid in a hydraulic system. It allows the operator to control the path of fluid flow by selecting different hydraulic circuits or components to operate. Here’s a breakdown of how a hydraulic selector valve works:

1. Valve Construction:
   • A hydraulic selector valve consists of a body with multiple ports and internal passages.
   • It typically has an actuating mechanism, such as a lever or a solenoid, to control the movement of the valve spool or poppet.
2. Port Configuration:
   • A selector valve has multiple ports, usually labeled as A, B, and C, or sometimes referred to as P, T, and A/B/C.
   • Port P (Pressure) connects to the hydraulic pump or the high-pressure side of the system.
   • Port T (Tank) connects to the hydraulic reservoir or the low-pressure side of the system.
   • Ports A, B, and C are the output ports that connect to different hydraulic circuits or components.
3. Valve Positions:
   • The selector valve has different positions that determine the flow path of the hydraulic fluid.
   • Common positions include “A,” “B,” “C,” “AB,” “AC,” and “BC,” depending on the specific valve design.
4. Fluid Flow Control:
   • When the valve is in the neutral or default position, typically labeled “N,” the fluid flow is blocked, and no flow occurs between any of the ports.
   • When the operator actuates the valve by moving the lever or energizing the solenoid, the valve spool or poppet shifts to a different position, enabling fluid flow.
5. Flow Path Selection:
   • By moving the actuating mechanism, the operator can select the desired flow path.
   • For example, when the valve is in position “A,” fluid flows from port P to port A, allowing the hydraulic circuit or component connected to port A to operate.
6. Multiple Flow Paths:
   • Depending on the specific valve design, a hydraulic selector valve can provide multiple flow paths.
   • For instance, in position “AB,” fluid can flow from port P to both ports A and B simultaneously, allowing operation of two separate hydraulic circuits or components.
7. Control and Operation:
   • The actuating mechanism of the selector valve can be manual, where the operator physically moves a lever or knob, or it can be electric or pneumatic, using solenoids or other control devices.
   • Electrically controlled selector valves can be integrated into automated systems or controlled remotely.
8. System Flexibility:
   • Hydraulic selector valves provide flexibility in system design and operation.
   • They allow the operator to switch between different hydraulic circuits or components, facilitating tasks such as equipment positioning, attachment control, or switching between different implements.

Capability & Capacity Of Factory:

(1) Assembly

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) Machining

The machining shop is equipped with a customized inclined rail turning center, machining center, high-speed honing machine, welding robot, and other related equipment, which can handle the processing of cylinder tubes with a maximum inner diameter of 400mm and a maximum length of 6 meters.

(3) Welding

(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!