VICKERS DG18V-3-2A-P-60 Directional Control Valve
2 month ago
Product details
Product Overview
It’s a single air pilot actuated, spring offset 2-position 4-way hydraulic directional valve (D03/NG6 ISO4401-03 mounting standard) under Eaton Vickers DG18V series, driven by compressed air instead of solenoid coil, widely used for remote pneumatic control of hydraulic cylinders & motors 。
1. Model Code Breakdown | 型号拆解
Code Definition
DG18V Series: Air pilot operated directional valve（DG18V=单侧气控；DG17V手控/DG3V液控/DG20V凸轮驱动）[__LINK_ICON]
3 Valve size: D03 / ISO4401-03 / CETOP03 (NG6 standard mounting)
2A Spool function: 2-position 4-way, spring return, closed center spool；Neutral position: P blocked, A+B connected to T；Actuated position: P→A, B→T
P Pneumatic pilot port: 1/8” NPT female air inlet (single side air control port)
60 60-design standard construction, Vickers mainstream version
2. Core Technical Parameters
- Max Working Pressure (P/A/B main ports): 350 bar / 5000 PSI
- Tank port T max pressure: ≤100 bar /1450 PSI
- Rated flow:75 L/min (20 US GPM)
- Pneumatic control air pressure:0.35~0.7 MPa (3.5~7 bar dry compressed air)
- Mounting: Subplate/Manifold mounting (same base plate as DG4V-3 solenoid valve, fully interchangeable)
- Body material: Grey cast iron；Standard seal:NBR(Buna-N), optional FKM/Viton fluorine rubber
- Dimension: L201 × W46 × H44.5 mm; Net weight≈1.29kg(2.84lbs)
- Applicable fluid: Anti-wear mineral hydraulic oil; Working temp: -18℃~65℃(0℉~150℉)
3. Working Principle
1. Original status (No air supply): Spring pushes spool to home position(2A center)
Oil port P shut off; A & B cavities both link to return port T, actuator stays stationary.
2. Air fed into 1/8"NPT pilot port: Compressed air pushes spool against spring
Main oil P connects to A, B connects to T → Hydraulic actuator extends/retracts.
3. Cut off pilot air: Spring resets spool automatically back to original neutral position
4. Key Features
1. No electromagnetic coil, intrinsically safe for explosion-proof environment (mining, chemical, offshore marine)
2. D03 universal installation footprint, compatible with standard D03 valve manifold worldwide
3. Compact cast iron body, low internal leakage, stable shifting performance for heavy-duty cyclic operation
4. Remote pneumatic centralized control available via air valve station
5. Typical Application
Machine tool clamping cylinder, die-casting machine, rubber & plastic machinery, marine auxiliary hydraulic system, mining brake hydraulic unit, automated production line hydraulic circuits, explosion-proof hydraulic stations
I. Product Overview
TheVICKERS DG18V-3-2A-P-60is a high-performance directional control valve belonging to the Vickers product line. Designed for hydraulic systems, it controls the flow direction of hydraulic fluid to enable forward/reverse operation or stopping of actuators (e.g., hydraulic cylinders, hydraulic motors).
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II. Product Features
1. Multiple Control Options:
• The valve offers various control methods, such as manual, hydraulic, pneumatic, or solenoid-operated control, to meet diverse application requirements.
• Specific control modes may vary by model and configuration but typically include electromagnetic, hydraulic, and pneumatic control.
2. High-Performance Design:
• Engineered for high-pressure and large-flow applications, it satisfies the demands of complex hydraulic systems.
• Robust valve body construction and superior manufacturing quality ensure long-term reliability and stable operation.
3. Low-Impact Characteristics:
• Designed to minimize hydraulic shock, extending equipment lifespan and reducing maintenance costs.
• Optimized spool and flow path designs reduce pressure fluctuations and impact during fluid flow.
4. Easy Installation and Maintenance:
• Complies with international standard interfaces (e.g., NFPA D03, CETOP 3, ISO 4401) 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 (5,000 psi), making it suitable for high-pressure hydraulic systems.
4. Operating Temperature Range:
• Designed for temperatures from room temperature to80°C(specific ranges may vary by model).
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IV. Applications
TheVICKERS DG18V-3-2A-P-60is widely used in hydraulic systems across various industries, including:
1. Industrial Machinery:
• Controls actuators in presses, injection molding machines, and other industrial equipment.
2. Construction Machinery:
• Manages hydraulic cylinder and motor movement 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.
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