D633-D2500B
May 25, 2026

D633-D2500B

Model: D633-D2500B Brand: MOOG Type: Direct Drive Electro-Hydraulic Servo Valve, single-stage pilotless design Series: D633, ISO 4401 Size 03 NG6 Rated Flow: 40 L/min

Description

1. Basic Identification

Model: D633-D2500B
Brand: MOOG
Type: Single-stage pilotless direct drive electro-hydraulic servo valve
Series: D633, ISO 4401 Size 03 NG6
Rated Flow: 40 L/min

2. Basic Information

Structure: 4/3-way design, driven by permanent magnet linear force motor with integrated closed-loop electronic control
Mounting Standard: ISO 4401-03-03-0-94
Weight: About 2.5 kg
Protection Grade: IP67 connector, IP65 valve body
Ambient Temperature: -20℃ to +60℃
Fluid Temperature: -20℃ to +70℃
Working Fluid: Mineral hydraulic oil, ISO 4406 18/15/12

3. Hydraulic Specifications

Rated Flow: 40 L/min
Max Working Pressure: 350 bar for P/A/B ports, 50 bar for T port
Null Leakage: ≤1.2 L/min

4. Electrical Specifications

Power Supply: 24 VDC, working voltage 18-32 VDC
Control Signal: ±10 V, ±10 mA, 4-20 mA
Feedback Signal: 4-20 mA spool position feedback
Max Current Draw: ≤1.2 A
Connector Type: M12

5. Performance Parameters

Step Response: ≤12 ms
Hysteresis: ≤0.2%
Linearity: ≤0.1%
Resolution: ≤0.05%
Features: Pressure stable dynamic performance, automatic spring centering after power failure, strong contamination resistance

6. Matching Accessories

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

7. Application

Medium and large injection molding machines, metal forming presses, metallurgical rolling facilities, aerospace test benches, hydraulic robot units, vibration simulation test systems, heavy-duty industrial hydraulic control equipment


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