D633Z7383
Description
General Information
Model: D633Z7383 (D633‑Z7383)
Manufacturer: MOOG
Type: Single‑stage, pilotless direct‑drive electro‑hydraulic servo valve (DDV)
Series: D633 (ISO 4401 Size 03 / NG6)
Equivalent Standard Model: Custom Z‑code (based on D633 40 L/min platform)
Part Number Breakdown
D633: Series, NG6, direct‑drive servo valve
Z: Special custom specification
7383: Internal factory part code
(No suffix): Standard version
Mechanical & Environmental
Configuration: 4/3‑way, permanent magnet linear force motor, integrated closed‑loop electronics
Mounting: ISO 4401‑03‑03‑0‑94 (NG6)
Weight: ≈2.5 kg (5.5 lb)
Protection Class: Connector IP67, body IP65
Ambient Temperature: −20 °C to +60 °C
Fluid Temperature: −20 °C to +80 °C
Fluid: Mineral hydraulic oil; ISO 4406 18/15/12
Viscosity: 15–100 mm²/s (5–400 mm²/s allowable)
Seal Material: FPM (fluoro rubber)
Hydraulic Specifications
Rated Flow: 40 L/min (Δp = 35 bar per edge)
Max Flow: 75 L/min
Max Working Pressure:
P, A, B: 350 bar (5,000 psi)Moog Inc.
T (without Y): 50 bar (725 psi)Moog Inc.
T (with Y): 350 barMoog Inc.
Null Leakage: ≤1.2 L/min (typical)
Failsafe: Spring‑centered on power‑off
Electrical Specifications
Supply Voltage: 24 VDC (18–32 VDC)Moog Inc.
Control Signal: ±10 V, ±10 mA, 4–20 mAMoog Inc.
Spool Position Feedback: 4–20 mA
Max Current: ≤1.5 A
Connector: M12 (6+PE)Moog Inc.
EMC: Compliant with CE directives
Performance Data (Typical)
Step Response (0–100%): ≤12 ms
Hysteresis: ≤0.2%
Linearity: ≤0.1%
Resolution: ≤0.05%
Frequency Response (−3 dB): ≈120 Hz
Null Shift (ΔT = 55 K): <1.5%
Applications
High‑precision closed‑loop flow/pressure/position control
Industrial automation, hydraulic presses
Material testing machines, fatigue rigs
Injection moulding & die‑casting
High‑speed synchronisation systems
Notes
This is a custom Z‑code model based on the standard D633 40 L/min DDV platform.
All performance and environmental ratings follow MOOG D633 series standards.
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