Parameter Specification
Valve Type 3-way direct-acting poppet valve, zero leakage
(DLEH series)
Nominal Size ISO 4401-06
Maximum Flow Rate (Qmax)
12 l/min (at standard Δp)
Maximum Working Pressure
P/A/B ports: 350 bar; T port: 210 bar
Internal Leakage ≤0.36 cm³/min (≤5 drops/min) @ max working
pressure
Coil Type Wet screw-in coil, M20 interface; IP65 protection
class
Insulation Class
Class H
Fluid Viscosity Recommended: 15–100 mm²/s; Allowable: 2.8–
500 mm²/s
Operating Temperature
Standard seal: -20°C to +80°C; HNBR (/BT) seal:
-40°C to +60°C
Fluid Contamination Class
ISO 4406 20/18/15 (NAS 1638 Class 9)
Mounting Standard
ISO 4401-06 mounting surface; M20 cartridge
mounting
Assembly Position
Any position (unrestricted)
Model Configuration
DLEH=3-way direct-acting poppet series; 3A=3-
way Function A (P→A, B→T); 20=Coil
specification code
Compatible Medium
Mineral hydraulic oil, fire-resistant hydraulic oil
(HFC/HEES, match seal material)
Electrical Matching
ATOS OE series wet coil, optional voltage (e.g.
24VDC), 100% duty cycle
Mounting Surface Requirement
Roughness Ra 0.4 μm
