D633-7375
May 25, 2026

D633-7375

Model: D633-7375 Brand: MOOG Category: Direct Drive Electro-Hydraulic Servo Valve Series: D633 Size 03 NG6 pilotless servo valve Rated Flow: 40 L/min

Description

1. Basic Identification

Model: D633-7375
Brand: MOOG
Type: Direct Drive Electro-Hydraulic Servo Valve
Series: D633, ISO 4401 Size 03 NG6
Rated flow: 40 L/min

2. Basic Information

Structure: Permanent magnet linear force motor driven, no pilot oil, integrated closed-loop electronic control
Mounting standard: ISO 4401-03-03-0-94
Weight: About 2.5 kg
Protection class: IP67 connector, IP65 valve body
Ambient temperature: -20℃ ~ +60℃
Fluid temperature: -20℃ ~ +70℃
Applicable fluid: Mineral hydraulic oil, ISO 4406 18/15/12 cleanliness level

3. Function & Positioning

Core function: 4/3-way directional, speed, pressure and force closed-loop proportional control
Positioning: High precision and fast response hydraulic core control part
Features: Pressure independent dynamic characteristic, spring centering after power failure, low hysteresis, strong contamination resistance

4. Core Parameters

Rated flow: 40 L/min
Max working pressure: 350 bar (P/A/B port), 50 bar (T port)
Power supply: 24 VDC, operating range 18-32 VDC
Control signal: ±10 V, ±10 mA, 4-20 mA
Feedback signal: 4-20 mA spool position feedback
Max current consumption: ≤1.2 A
Step response time: ≤12 ms
Hysteresis: ≤0.2%
Linearity: ≤0.1%
Resolution: ≤0.05%

5. Compatible Accessories

Grade 10.9 M5 mounting bolts
Standard seal assembly
5-core shielded cable
10μm high pressure hydraulic filter
M12 waterproof connector

6. Application

Medium & large injection molding machine, metal forming press, metallurgical rolling device, aerospace test bench, hydraulic robot unit, vibration simulation test system, heavy-duty automatic hydraulic control system


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