DZ Series Direct Operated Pressure Sequence Hydraulic Valve
The DZ series direct-operated pressure sequence hydraulic valve is a high-performance component that provides accurate pressure sequencing in hydraulic systems. With its 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 DZ series direct-operated pressure sequence hydraulic valve is a reliable solution for precise pressure sequencing in hydraulic systems. With its direct-operated design, accurate pressure control, wide pressure range, and reliable performance, this valve ensures efficient and coordinated operation of multiple hydraulic circuits. By following the recommended usage methods and maintenance practices, the DZ series valve delivers consistent performance, extending the lifespan of hydraulic systems. Upgrade your hydraulic system with the DZ series direct operated pressure sequence hydraulic valve and experience optimal pressure sequencing for enhanced system efficiency and productivity.
DZ Series Direct Operated Pressure Sequence Hydraulic Valve Key Characteristics:
- Direct-Operated Design:
- The DZ 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 Sequencing:
- This valve offers exceptional accuracy in pressure sequencing, allowing precise control over the order of hydraulic pressures in different circuits.
- It ensures multiple hydraulic components’ smooth and coordinated operation, optimizing system performance.
- Reliable Performance:
- The DZ series valve is built to deliver reliable and consistent performance under varying operating conditions.
- It maintains pressure sequencing integrity, even in demanding applications with high flow rates and pressure differentials.
- Wide Pressure Range:
- The valve is available in various pressure ranges, ensuring compatibility with diverse hydraulic systems.
- This flexibility allows customization to meet specific pressure sequencing requirements, enhancing system efficiency.
DZ 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 | ||
DZ 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 DZ Series Direct Operated Pressure Sequence Hydraulic Valve:
- System Analysis:
- Perform a comprehensive hydraulic system analysis to determine the specific pressure sequencing requirements.
- Consider factors such as the desired order of pressure activation, pressure differentials, and flow rates in different circuits.
- Valve Selection:
- Select the appropriate DZ series valve variant based on the pressure sequencing specifications.
- Consider pressure rating, flow capacity, and compatibility with other system components.
- Installation:
- Follow the manufacturer’s instructions to correctly install the DZ series direct operated pressure sequence 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 pressure sequence.
- Utilize pressure gauges or other measurement devices to adjust the valve for optimal pressure control accurately.
How Does A Hydraulic Sequence Valve Work?
A hydraulic sequence valve is a type of pressure control valve used in hydraulic systems to control the order in which different hydraulic operations occur. It is designed to ensure that one hydraulic operation takes place before another, based on specific pressure requirements. Here’s how a hydraulic sequence valve works:
- Valve Construction:
- A sequence valve consists of a valve body with inlet and outlet ports, a valve spool or poppet, and a spring or other mechanism that controls the valve’s opening pressure.
- Pressure Setting:
- The sequence valve is pre-set to open at a specific pressure. This pressure is typically adjustable to meet the system’s requirements.
- The pressure setting determines the threshold at which the valve will open and allow fluid flow from the inlet port to the outlet port.
- Normal State:
- In the normal state, when the pressure at the inlet port is below the valve’s set pressure, the sequence valve remains closed.
- This prevents fluid flow from the inlet to the outlet port, maintaining a blocked or closed position.
- Opening and Fluid Flow:
- When the pressure at the inlet port exceeds the pre-set pressure of the sequence valve, it reaches the opening pressure.
- Once the opening pressure is reached, the valve spool or poppet moves, allowing fluid flow from the inlet port to the outlet port.
- Sequencing Operation:
- As fluid flows through the sequence valve, it activates downstream hydraulic operations.
- The fluid pressure at the outlet port is maintained at the set pressure, ensuring that the subsequent hydraulic operation receives sufficient pressure to begin.
- Pressure Relief:
- Once the downstream operation is complete, the fluid pressure at the outlet port decreases.
- When the pressure at the outlet port falls below the set pressure of the sequence valve, the valve spool or poppet returns to its closed position, blocking fluid flow.
- Reset and Repeat:
- The sequence valve is then ready for the next cycle. As the pressure at the inlet port increases again, it will open at the pre-set pressure, and the sequence of operations will continue.
- Application Examples:
- Hydraulic sequence valves are commonly used in applications such as clamping, lifting, pressing, or any process where a specific sequence of hydraulic operations is required.
Tehtaan kapasiteetti ja kapasiteetti:
(1) Kokoonpano
Meillä on ensiluokkainen riippumaton tutkimus- ja kehitystyön kokoonpanoalusta. Hydraulisylinterien tuotantopajassa on neljä puoliautomaattista nostosylinterin kokoonpanolinjaa ja yksi automaattinen kallistussylinterin kokoonpanolinja, joiden suunniteltu vuotuinen tuotantokapasiteetti on 1 miljoona kappaletta. Erikoissylinterin työpaja on varustettu erilaisilla eritelmillä puoliautomaattisen puhdistusasennuksen kokoonpanojärjestelmällä, jonka suunniteltu vuotuinen tuotantokapasiteetti on 200 000, ja se on varustettu kuuluisilla CNC-työstölaitteilla, työstökeskuksella, korkean tarkkuuden sylinterin käsittelyyn tarkoitetuilla erityislaitteilla, robottihitsauskoneella, automaattisella puhdistuslaitteella, automaattisella sylinterin kokoonpanokoneella ja automaattisella maalaustuotantolinjalla. Olemassa olevat kriittiset laitteet yli 300 sarjaa (sarjaa). Laiteresurssien optimaalinen kohdentaminen ja tehokas käyttö varmistavat tuotteiden tarkkuusvaatimukset ja täyttävät tuotteiden laatuvaatimukset.
(2) Koneistus
Työstöpaja on varustettu räätälöidyllä kaltevalla kiskosorvauskeskuksella, työstökeskuksella, suurnopeus-hiontakoneella, hitsausrobotilla ja muilla vastaavilla laitteilla, joilla voidaan käsitellä sylinteriputkia, joiden sisähalkaisija on enintään 400 mm ja enimmäispituus on 6 metriä.
(3) Hitsaus
(4) Maalaus ja pinnoitus
Pienillä ja keskisuurilla sylinterin automaattisilla vesipohjaisilla maalipinnoituslinjoilla automaattisen robotin lastaus- ja purku- ja automaattisen ruiskutuksen saavuttamiseksi, suunnittelukapasiteetti on 4000 kappaletta vuorossa;
Meillä on myös puoliautomaattinen maalauslinja suurille sylintereille, joka toimii voimaketjulla ja jonka suunnittelukapasiteetti on 60 laatikkoa työvuorossa.
(5) Testaus
Meillä on ensiluokkaiset tarkastustilat ja testialustat, joilla varmistetaan, että sylinterin suorituskyky täyttää vaatimukset.
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