VICKERS Proportional Directional Control Valve DG4V-3-35A
2 month ago
Product details
I. Product Overview
TheVICKERS Proportional Directional Control Valve DG4V-3-35Ais a high-performance proportional directional valve belonging to the Vickers product line. Designed for hydraulic systems, it enables precise control of hydraulic oil flow direction and volume, ensuring accurate motion control of actuators (e.g., hydraulic cylinders, hydraulic motors).
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II. Product Features
1. Proportional Control:
• The valve adjusts its orifice opening proportionally based on input signals (e.g., current or voltage), enabling precise flow control.
• Proportional control allows smooth speed regulation of actuators, enhancing system control accuracy and dynamic response.
2. High-Performance Design:
• Engineered for high-pressure and large-flow applications, it meets the demands of complex hydraulic systems.
• Robust valve body construction and superior manufacturing quality ensure long-term reliability and stable operation.
3. Multiple Control Modes:
• Supports various control methods, such as manual or solenoid-operated control, to adapt to different application scenarios.
• Solenoid control offers advantages like fast response and high precision.
4. Easy Installation and Maintenance:
• Complies with international standard interfaces (e.g., ISO 4401, ANSI/B93.7M-D03) for seamless integration with other hydraulic components.
• Flexible mounting positions (except for valves with positioning requirements) facilitate system layout optimization.
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III. Technical Specifications
1. Nominal Port Size:
• Varies by model and configuration but generally suitable for most hydraulic system requirements.
2. Rated Flow Capacity:
• High flow capacity to meet large-flow hydraulic system demands. Specific values refer to the product manual or technical datasheet.
3. Maximum Operating Pressure:
• Withstands pressures up to350 bar (5,075 psi), making it suitable for high-pressure hydraulic systems.
4. Control Signal:
• Accepts standard current or voltage signals as control inputs, such as4-20 mAor0-10 V DC.
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IV. Applications
TheVICKERS Proportional Directional Control Valve DG4V-3-35Ais widely used in hydraulic systems requiring precise control of hydraulic oil flow direction and volume, including:
1. Industrial Machinery:
• Controls actuators in presses, injection molding machines, and other industrial equipment.
2. Construction Machinery:
• Manages hydraulic cylinder and motor speed/direction in excavators, loaders, and cranes.
3. Mining Equipment:
• Used in roadheaders, shearers, and other mining machinery for hydraulic system control.
4. Other Fields:
• Applications extend to marine, aerospace, agricultural machinery, and more.
EATON VICKERS DG4V-3-35A Solenoid Directional Control Valve
Note: DG4V-3-35A is an on-off solenoid directional valve instead of proportional valve; Vickers proportional valves are prefixed with KDG4V / KFDG4V.
1. Model Code Explanation for DG4V-3-35A
Code Description
DG4V Wet solenoid plate-mounted directional control valve series with spring return manufactured by Vickers
3 Valve size: D03 / NG6, complies with ISO4401-03 & CETOP03 mounting standard, interchangeable with DG18V on the same subplate
35A 2-position 4-way configuration with single solenoid and opposite-side spring return, spool function code 35A De-energized position: P connects to B; A is blocked; T is closed Energized position: P connects to A; B drains to T
Default suffix: Standard 60-series construction, standard NBR sealing, regular solenoid coil
2. Key Hydraulic Specifications
- Max working pressure for P/A/B ports: 350 bar (5000 PSI); Max tank port T pressure: ≤100 bar (1450 PSI)
- Rated flow rate: 75~80 L/min (21 USGPM) at pressure drop ΔP=7 bar
- Shift response time: 40~60 ms; dampening orifice built-in for smooth shifting via wet-type solenoid
- Mounting type: Subplate mounting for standard D03 manifold, mounting pattern per ISO4401-03
- Compatible fluid: Anti-wear mineral hydraulic oil; Operating temperature: -20℃ ~ +70℃; Standard NBR seals, optional FKM Viton high-temperature resistant seals
3. Standard Electrical Configuration
1. Common coil voltages: DC24V, AC220V / AC110V; DC power consumption approx.30W, AC approx.25VA
2. Terminal connection: DIN43650 connector (IP65 protection), flying lead or Deutsch connector available as option
3. Single-side solenoid actuation with opposite spring reset (35A stands for single-solenoid 2-position valve)
4. Spool Function of Type 35A (2-position 4-way, single solenoid spring return)
1. Normal de-energized status (spring position): P→B, port A blocked, port T closed
2. Solenoid energized: P→A, B→T; Hydraulic oil flows to drive cylinder extension or retraction; Spool automatically resets by spring once power cuts off
5. Product Features
1. Wet armature solenoid design, excellent contamination resistance, long service life and low shifting impact; built-in throttling to reduce hydraulic water hammer
2. Globally universal D03 footprint, direct replacement for equivalent D03 solenoid valves of Yuken, Rexroth and other brands
3. Cast iron valve body with low internal leakage, ideal for hydraulic circuits of machine tools, injection molding machines and construction machinery
6. Typical Applications
Machine tool clamping cylinders, mini injection molding machines, hydraulic lifting platforms, automated production lines, auxiliary hydraulic units for construction equipment
7. Alternative & Replacement Options
Domestic equivalent: D03 single-solenoid 2-position 4-way directional valve with 35A spool function
Original OEM interchangeable model: DG4V-3-35A-(Voltage Code)-M-U-60
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