Product Overview
D3W Series are Parker’s high-performance NG10 direct-operated 4-chamber solenoid directional control valves featuring wet armature design. The series complies with ISO 4401 / CETOP 5 / NFPA D05 mounting standards, offering direct interchangeability with genuine Parker D3W valves.
D41VW Series are Parker’s NG16 pilot-operated directional control valves, piloted by a D1VW valve with a 5-chamber main stage design. The series complies with NFPA D07 / CETOP 7 mounting standards. Every unit undergoes 100% factory testing to ensure consistent and reliable quality.
Models covered in this listing:
D3W Series (NG10 Direct-Acting):
D3W14CNJC (3-position, P→A & B→T connected in center)
D3W9CNJC (3-position, A & B→T connected in center)
D3W4CNJCF30 (3-position, all ports closed in center)
D3W4CNJP30 (3-position, all ports closed in center)
D3W20BNJCF30 (2-position, spring return)
D41VW Series (NG16 Pilot-Operated):
Technical Specifications
D3W Series General Specifications (NG10 / CETOP 5 / NFPA D05)
Brand / Series: Parker Hannifin D3W Series
Valve Type: Direct-operated 4-chamber solenoid directional control valve
Mounting Standard: ISO 4401 / CETOP 5 / NFPA D05
Maximum Operating Pressure (P/A/B Ports) : 350 bar (5000 psi)
Maximum Operating Pressure (T Port) : 210 bar (DC) / 105 bar (AC)
Maximum Flow Rate: 150 L/min (40 GPM), spool-dependent
Number of Positions: 3 positions (C-type) / 2 positions (B-type)
Spool Function: Refer to individual model descriptions
Solenoid Type: Wet-type DC/AC solenoid
Seal Material: NBR / FPM
Body Material: Cast iron
Connector Type: EN 175301-803
Ingress Protection: IP65 (with correctly mounted plug-in connector)
Operating Temperature Range: -25°C ~ +60°C
Weight: Approx. 4.8 kg (single solenoid), 6.3 kg (double solenoid)
D3W14CNJC Model Code Breakdown
D3W: NG10 direct-operated solenoid valve series
14: Spool code — 3-position, P→A & B→T connected in center
C: Spool position — 3 positions, spring centered
N: Seal material — NBR
J: Coil voltage — 24 VDC
C: Connector type — Plug-in connector (EN 175301-803)
D3W9CNJC Model Code Breakdown
D3W: NG10 direct-operated solenoid valve series
9: Spool code — 3-position, A & B→T connected in center
C: Spool position — 3 positions, spring centered
N: Seal material — NBR
J: Coil voltage — 24 VDC
C: Connector type — Plug-in connector
D3W4CNJCF30 Model Code Breakdown
D3W: NG10 direct-operated solenoid valve series
4: Spool code — 3-position, all ports closed in center (Closed Center)
C: Spool position — 3 positions, spring centered
N: Seal material — NBR
J: Coil voltage — 24 VDC
C: Connector type — Plug-in connector
F30: Special configuration code
D3W4CNJP30 Model Code Breakdown
D3W: NG10 direct-operated solenoid valve series
4: Spool code — 3-position, all ports closed in center
C: Spool position — 3 positions, spring centered
N: Seal material — NBR
J: Coil voltage — 24 VDC
P: Connector type — Plug-in connector with indicator light
30: Design code
D3W20BNJCF30 Model Code Breakdown
D3W: NG10 direct-operated solenoid valve series
20: Spool code — 2-position, 4-way
B: Spool position — 2 positions, spring return (single solenoid)
N: Seal material — NBR
J: Coil voltage — 24 VDC
C: Connector type — Plug-in connector
F30: Special configuration code
D41VW Series General Specifications (NG16 / NFPA D07 / CETOP 7)
Brand / Series: Parker Hannifin D41VW Series
Valve Type: Pilot-operated solenoid directional control valve
Pilot Valve: D1VW
Mounting Standard: NFPA D07 / CETOP 7
Maximum Operating Pressure: 350 bar (5000 psi)
Maximum Flow Rate: 300 L/min (79.4 GPM), spool-dependent
Main Stage Design: 5-chamber style
Spool Material: Case-hardened sliding spool
Number of Positions: 3 positions
Spool Function: Refer to individual model descriptions
Surface Finish: Phosphate finish
Pilot Pressure Requirement: Must be ensured for all operating conditions
Mounting Type: Manifold mounted
D41VW1C4VJP Model Code Breakdown
D41VW: NG16 pilot-operated solenoid valve series
1: Spool code — 3-position, 4-way
C: Spool position — 3 positions, spring centered
4: Spool function — P→A & B→T connected in center
V: Seal material — FPM
J: Coil voltage — 24 VDC
P: Connector type — Plug-in connector with indicator light
Key Technical Advantages
1. 4-Chamber & 5-Chamber Design — Ultimate Performance
The D3W Series features a 4-chamber design with optimized flow passages for reduced pressure drop. The D41VW Series employs a 5-chamber main stage design that eliminates pressure spikes in tubing, significantly extending valve service life. Low pressure drop translates to lower energy consumption and more economical operation.
2. Wet Armature Solenoid — Long Life, Low Noise
Both series feature wet armature design where the solenoid operates immersed in hydraulic fluid, providing both cooling and lubrication. Compared to dry-type solenoids, this design delivers lower operating noise, longer service life, and supports continuous energization. The D3W Series also offers soft shift options for smooth operation.
3. Optimized Flow Paths — Low Pressure Drop
Optimized flow channel design significantly reduces pressure loss, delivering high functional limits (150 L/min) with low energy consumption. The D3W Series maintains 150 L/min flow capacity at 350 bar. The D41VW Series delivers up to 300 L/min flow.
4. Extensive Spool and Configuration Options
The D3W Series offers multiple spool codes including 001, 002, 004, 008, 009, 014, 020, 030, 081, 082, covering 2-position and 3-position configurations with various center conditions and flow ratings. The D41VW Series also provides multiple spool and configuration options for flexible hydraulic circuit design.
5. Robust Construction and Materials
The D3W Series features cast iron body construction, while the D41VW Series employs case-hardened 4-land spools. Mounting bolts positioned below the spool centerline minimize spool binding risk.
6. 100% Factory Tested — Guaranteed Quality
Every valve undergoes 100% inspection on automated test equipment, ensuring performance parameters meet Parker original specifications. The product offers direct interchangeability with genuine Parker valves.
Application Areas
Injection Molding Machines — Directional control for clamping, ejection, and injection functions
Machine Tool Hydraulic Systems — Directional and logic control for machining centers
Die Casting Machines — High-pressure, high-flow directional control
Mobile & Construction Equipment — Hydraulic control for mobile machinery
Rubber & Plastic Machinery — Hydraulic directional control for various industrial applications
Safety-Related Applications — D3W with inductive position control for clamping valves in safety applications
General Industrial Hydraulic Systems
Expert Maintenance Tips
1. Mounting Surface and Seal Inspection
Inspect the subplate mounting surface for flatness and surface finish before installation, ensuring compliance with ISO 4401 / CETOP 5 / NFPA D05 standards. The D3W Series offers NBR and FPM seal options— select the correct seal material based on your system hydraulic fluid. Follow Parker official torque specifications for mounting bolts.
2. Fluid Cleanliness Control
Recommended system filtration ≤ 25μm. Contaminated hydraulic fluid is a primary cause of valve failure — regularly monitor fluid cleanliness to maintain NAS 1638 standards.
3. Coil Voltage Verification
Always confirm coil voltage matches system power supply before installation. The D3W Series offers multiple voltage options including 12 VDC, 24 VDC, 110V/50Hz, 120V/60Hz, and 230V/50Hz. Voltage mismatch may result in insufficient solenoid force or coil burnout.
4. Back Pressure Management
D3W Series maximum allowable T-port back pressure: 210 bar (DC) / 105 bar (AC). When system back pressure exceeds allowable values, install a relief circuit or select an appropriate configuration.
5. Pilot Pressure Requirements (D41VW Series)
The D41VW Series is pilot-operated — ensure adequate pilot pressure is maintained under all operating conditions. For spools with P→T connection in the de-energized position, an external pressure supply (external inlet) or integral check valve is required.
6. Manual Override Usage
Both D3W and D41VW series feature manual override as standard. Manual operation is intended for commissioning and emergency use only — do not use as a permanent actuation method.
7. Periodic Inspection
Inspect valve response time and internal leakage every 2,000 operating hours or semi-annually. Early detection and replacement of worn components prevent unexpected production downtime.
