3DRE/M(E) Series 3-way Pilot Operated Proportional Pressure Reducing Hydraulic Valve
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3DRE/M(E) Series 3-way Pilot Operated Proportional Pressure Reducing Hydraulic Valve

The 3DRE/M(E) series 3-way pilot-operated proportional pressure-reducing hydraulic valve is a cutting-edge hydraulic component designed to deliver accurate pressure control in hydraulic systems. With its advanced pilot-operated proportional control technology, this valve ensures precise regulation, efficient performance, and reliable operation.
The 3DRE/M(E) series 3-way proportional pressure-reducing hydraulic valve empowers hydraulic systems with precise pressure control, efficiency, and reliable performance. With its advanced proportional control technology and 3-way configuration, this valve offers versatility and flexibility in pressure regulation across different hydraulic circuits. By following the recommended usage methods and maintenance guidelines, you can maximize the benefits and longevity of the 3DRE/M(E) series valve, optimizing pressure control and overall performance in your hydraulic system. Upgrade your hydraulic setup today and experience superior pressure regulation with the 3DRE/M(E) series 3-way proportional pressure-reducing hydraulic valve.
3DRE/M(E) Series 3-way Pilot Operated Proportional Pressure Reducing Hydraulic Valve Key Characteristics:
- Proportional Pressure Control:
- The 3DRE/M(E) series valve offers precise and proportional pressure control, enabling dynamic adjustment of hydraulic pressure levels.
- This feature ensures accurate pressure regulation, maintaining a consistent and safe pressure within the hydraulic system.
- Pilot Operated Design:
- With its pilot-operated design, the valve delivers enhanced precision and responsiveness in pressure control.
- It utilizes a pilot valve to modulate the main valve, allowing for precise adjustments and improved control over pressure reduction.
- 3-way Configuration:
- The 3DRE/M(E) series valve features a versatile 3-way configuration, providing flexibility in controlling pressure across different hydraulic circuits.
- It allows for simultaneous pressure reduction in one circuit while supplying pressure to another course.
- Efektīva veiktspēja:
- By utilizing advanced proportional control technology, the valve ensures efficient performance, optimizing energy usage and reducing operational costs.
- It minimizes pressure fluctuations, enhancing system efficiency and contributing to overall productivity.
3DRE/M(E) Series 3-way Pilot Operated Proportional Pressure Reducing Hydraulic Valve Parameter:
| Hidrauliskā | ||||||||
| Uzstādīšanas pozīcija | optional, preferably horizontal | |||||||
| Izmērs | 6 | 10 | ||||||
| Svars | 4WRA…L2X | Kg | 2 | 6.6 | ||||
| 4WRAE…L2X | 2.2 | 6.8 | ||||||
| Rated flow qnom,when Δp = 10 bar | L/min | 7、15、26 | 30、60 | |||||
| Histerēze | % | ≤5 | ||||||
| Atkārtojamība | % | ≤1 | ||||||
| Response sensitivity | % | ≤0.5 | ||||||
| Maks. darba spiediens | Port s A B P | bārs | 315 | |||||
| Port T | bārs | 210 | ||||||
| Šķidrums | Minerāleļļa, kas piemērota NBR un FKM blīvējumiem | |||||||
| Fosfāta esteris FKM blīvējumam | ||||||||
| Šķidruma temperatūras diapazons | 4WRA…L2X | ℃ | -20℃ to 70℃(-4°F to 158°F) | |||||
| 4WRAE…L2X | ℃ | -20℃ to 50℃(-4° F to 122° F) | ||||||
| Viskozitātes diapazons | mm²/s | 20 to 380(preferably 30 to 46) | ||||||
| Piesārņojuma pakāpe | NAS1638 class9 or ISO 4406 class 20/18/15 | |||||||
| Elektriskie dati | ||||||||
| 1)solenoid | ||||||||
| Voltage type | Līdzstrāva | |||||||
| Command value signal | ±10V or 4~20mA | |||||||
| Max. current per solenoid | A | 2.5 | 1.5 | 0.8 | ||||
| Spoles pretestība | Cold value | Ω | 2 | 4.8 | 19.5 | |||
| Max. warm value | 3 | 7.2 | 28.8 | |||||
| Duty | % | ED100% | ||||||
| Coil temperature | ℃ | 150 | ||||||
| Valve protection to EN 60529 | IP65 | |||||||
| 2)Control electronics | ||||||||
| Ampilfier | 4WRA…L2X | VT-VSPA2-L2X | ||||||
| 4WRAE…L2X | Integrated in the valve(OBE) | |||||||
| Operating voltage | Nominal voltage | VDC | 24 | |||||
| Lower limiting value | V | 21/22(4WRA),19(4WRAE) | ||||||
| Upper limiting value | V | 35 | ||||||
| Amplifier current consumption | Imax | A | <1.8 | |||||
| Imax | A | 3 | ||||||
3DREP(E) Series 3-way Proportional Pressure Reducing Hydraulic Valve Advantages:
• The pilot-operated relief valve is used for the pressure reduction from P to A and the overflow function from A to T.
• Used for bottom sub-plate mounting, driven by proportional solenoid.
• The mounting surface is in accordance with DIN24 340, type A, ISO4401 and CETOP-RP 121H
• The maximum safety pressure is available for selection.
• Spool spring alignmentalignment
• 3DRE electronic controller: european card specification amplifier VT-VSPA1-1/VT-VSPD-1
• Set point the pressure characteristic curve is linear
• 3DRE(M)E series integrated electronic controller
• Setting value caused by manufacturing error-the deviation of the pressure characteristic curve is small
• The slope of the pressure increase and decrease can be adjusted independently
Usage Method Of 3DREP(E) Series 3-way Proportional Pressure Reducing Hydraulic Valve:
- Sistēmas novērtēšana:
- Evaluate your hydraulic system and identify the specific pressure control requirements for each circuit.
- Determine if the 3DRE/M(E) series valve is suitable based on its pressure range, flow capacity, and compatibility with your system.
- Vārsta izvēle:
- Select the appropriate variant of the 3DRE/M(E) series valve based on your system parameters, pressure range, and flow requirements.
- Ņemiet vērā maksimālo spiediena novērtējumu, reakcijas laiku un ekspluatācijas apstākļus.
- Uzstādīšana:
- Rūpīgi ievērojiet ražotāja uzstādīšanas instrukcijas, nodrošinot pareizu izlīdzināšanu un drošu vārsta stiprinājumu.
- Pievienojiet vārstu hidrauliskajai sistēmai, nodrošinot savienojumus bez noplūdēm un pareizu plūsmas virziena izlīdzināšanu.
- Spiediena regulēšana:
- Utilize the pilot valve control mechanism provided with the 3DRE/M(E) series valve to adjust the desired pressure reduction level for each circuit.
- Gradually adjust the pilot valve control to achieve the desired pressure control, monitoring the pressure gauge readings and system response.
How To Adjust Hydraulic Valves?
Adjusting hydraulic valves is a crucial task to ensure proper flow control and system performance in hydraulic applications. Here’s a step-by-step guide on how to adjust hydraulic valves:
- Identify the Valve:
- Determine the type of hydraulic valve you need to adjust: pressure relief valve, flow control valve, directional control valve, or any other type.
- Locate the valve within your hydraulic system. It can be positioned near the pump, in the control valve manifold, or within specific hydraulic components.
- Savāciet nepieciešamos rīkus:
- Before starting the adjustment process, gather the required tools, such as an adjustable wrench, a screwdriver, a pressure gauge (if applicable), and any specialized tools recommended by the valve manufacturer.
- Understand the Valve Function:
- Familiarize yourself with the purpose and function of the valve you are adjusting. Refer to the valve’s technical documentation or consult the manufacturer’s guidelines for specific details.
- Determine the Desired Setting:
- Identify the desired setting or parameter you want to achieve by adjusting the valve. This could be pressure, flow rate, direction, or any other adjustable parameter based on the valve type.
- Preliminary Checks:
- Ensure that the hydraulic system is depressurized before attempting any adjustments. This can be done by shutting down the system and relieving residual pressure through appropriate valves.
- Access the Adjustment Mechanism:
- Locate the adjustment mechanism on the valve. It can be a set screw, locknut, knob, or other similar devices depending on the valve type.
- Some valves may require removing a protective cap or cover to access the adjustment mechanism.
- Veikt pakāpeniskas korekcijas:
- Using the appropriate tool, make small incremental adjustments to the valve according to the desired setting.
- Follow the manufacturer’s guidelines to determine the direction (clockwise or counterclockwise) and the amount of adjustment required.
- Make gradual adjustments and periodically check the system’s response to ensure you are moving in the desired direction.
- Test and Monitor:
- After each adjustment, activate the hydraulic system and observe its performance.
- Use appropriate measurement tools (pressure gauge, flow meter, etc.) to verify that the valve is operating within the desired range.
- Monitor the system for any abnormalities or unexpected behavior. If necessary, make further adjustments to fine-tune the valve setting.
- Lock the Adjustment (if applicable):
- Once you achieve the desired setting, secure the adjustment mechanism to prevent unintended changes.
- This can be done by tightening a locknut, securing a set screw, or using any other method recommended by the valve manufacturer.
Rūpnīcas iespējas un jauda:
(1) Montāža
Mums ir pirmklasīga neatkarīga pētniecības un attīstības montāžas platforma. Hidraulisko cilindru ražošanas darbnīcā ir četras pusautomātiskas pacelšanas cilindru montāžas līnijas un viena automātiskā slīpuma cilindru montāžas līnija ar projektēto gada ražošanas jaudu 1 miljons vienību. Speciālo cilindru darbnīca ir aprīkota ar dažādu specifikāciju pusautomātisku tīrīšanas montāžas sistēmu ar projektēto gada ražošanas jaudu 200 000 vienību un aprīkota ar slavenām CNC apstrādes iekārtām, apstrādes centru, augstas precizitātes cilindru apstrādes speciālo aprīkojumu, robotizētu metināšanas iekārtu, automātisku tīrīšanas iekārtu, automātisku cilindru montāžas iekārtu un automātisku krāsošanas ražošanas līniju. Esošais kritiskais aprīkojums ir vairāk nekā 300 komplektu (komplektu). Optimāla iekārtu resursu sadale un efektīva izmantošana nodrošina produktu precizitātes prasības un apmierina produktu augstās kvalitātes prasības.

(2) Apstrāde
Apstrādes cehs ir aprīkots ar pielāgotu slīpo sliežu virpošanas centru, apstrādes centru, ātrgaitas asināšanas mašīnu, metināšanas robotu un citu saistītu aprīkojumu, kas var apstrādāt cilindriskas caurules ar maksimālo iekšējo diametru 400 mm un maksimālo garumu 6 metri.

(3) Metināšana

(4) Krāsošana un pārklāšana
Ar mazām un vidēja izmēra cilindriskām automātiskām ūdens bāzes krāsu pārklāšanas līnijām, lai panāktu automātisku robotu iekraušanu un izkraušanu un automātisku izsmidzināšanu, projektētā jauda ir 4000 gabali maiņā;
Mums ir arī pusautomātiska krāsu ražošanas līnija lieliem baloniem, ko darbina ķēdes piedziņa, ar 60 kastu konstrukcijas jaudu vienā maiņā.

(5) Testēšana
Mums ir augstākās klases pārbaudes iekārtas un testēšanas stendi, lai nodrošinātu, ka balona veiktspēja atbilst prasībām.

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