D1VW002KNJW91 Parker Solenoid Valve 350bar

Product Overview:

The D1VW series is a direct-acting, spool-type directional control valve designed in strict accordance with ISO 4401-03 (NG06 / CETOP 03 / NFPA D03) standard mounting interfaces. Engineered as a high-performance aftermarket solution for original Parker Hannifin D1VW valves (including model codes D1VW002KNJW91, D1VW020BNJW91, D1VW001ENJWM82, and D1VW001KNJC), this valve provides 100% direct drop-in interchangeability. No subplate modifications, mounting adaptors, or rewiring are required. Cast from heavy-duty ductile iron and built with precision-honed spools, the D1VW series handles working pressures up to 350 bar with outstanding volumetric efficiency and ultra-low internal leakage. Every single valve undergoes 100% simulated full-load condition testing before leaving the factory to guarantee zero-defect performance in demanding industrial operations.

Technical Specifications:

• Model Codes: D1VW002KNJW91, D1VW020BNJW91, D1VW001ENJWM82, D1VW001KNJC (Fully covers D1VW series)

• Mounting Interface: ISO 4401-03-02-0-05 / CETOP 03 / NFPA D03 (NG06)

• Max Operating Pressure (Ports P, A, B): 350 bar (5075 psi)

• Max Tank Pressure (Port T): 210 bar (DC version) / 105 bar (AC version)

• Max Permissible Flow Rate: Up to 80 L/min (21.1 gpm)

• Control Method: Direct-acting Solenoid Operated

• Coil Voltage & Connector: 24V DC (NJW / NJK options) with Hirschmann DIN 43650 connectors

• Fluid Operating Temperature: -20°C to +60°C (standard NBR seals) / up to +70°C (optional FPM seals)

• Net Weight: Approx. 1.5 kg (Single Solenoid) / 2.1 kg (Double Solenoid)

Key Technical Advantages:

• 100% Direct Drop-in Interchangeability: Mounting surface patterns, port locations, and coil profiles strictly match Parker D1VW factory specs. Field replacements can be performed instantly, eliminating pipeline rework and minimizing costly operational downtime.

• Micron-Level Precision & Low Internal Drift: Valve bodies and spools undergo compound precision honing and centerless grinding. Micron-level tolerances minimize internal oil cross-port bypass at 350 bar, maximizing total system volumetric efficiency.

• Durable Wet-Pin Solenoid Design: Features wet-pin solenoids where the armature operates submerged in system fluid. This ensures continuous self-lubrication and efficient heat dissipation, suppressing mechanical shock noise and providing an IP65 protection rating.

• 100% Full-Condition Simulation Testing: Every valve is tested on automated simulation benches under peak 350 bar pressure and maximum flow conditions to eliminate infant mortality, spool binding, or early coil failure before delivery.

Application Areas:

• CNC machine tools, cutting machinery, and automated clamping systems

• Plastic injection molding machines and blow molding equipment

• Industrial Hydraulic Power Units (HPUs) and centralized pump stations

• Mobile machinery, aerial work platforms, and construction hydraulics

Expert Maintenance Tips:

• Verify Subplate Surface Flatness: Before mounting, ensure the mating subplate surface flatness is within 0.01/100 mm with a surface roughness not exceeding Ra 0.8. An uneven surface will deform the valve body when torqued, leading to spool binding.

• Enforce Strict Fluid Cleanliness: Contamination is the leading cause of spool scoring and stickiness. Maintain system fluid cleanliness at ISO 4406 class 20/18/15 or cleaner using high-efficiency return line and pressure line filtration.