D634-1053
Description
1. General Description
2. Hydraulic Specifications
Max working pressure (P, A, B): 350 bar (5,000 psi)Moog Inc.
T-port pressure: 50 bar (without Y-port); 350 bar (with Y-port)Moog Inc.
Rated flow (Δp = 35 bar per land): 100 L/min (26.4 gpm)
Maximum flow: approx. 185 L/min (48.8 gpm)
Internal leakage: ≤ 0.55 L/min
Fluid: Mineral oil (ISO 11158 / DIN 51524)Moog GmbH
Fluid temperature: −20 °C to +80 °C
Filtration: ISO 4406 17/14/11 or betterMoog GmbH
Weight: approx. 6.3 kg (13.9 lb)
3. Dynamic Performance (Typical)
Step response (0→100% stroke): ≤20 ms
−3 dB bandwidth: 70–80 Hz
Hysteresis: <0.4% of full scaleMoog Inc.
Resolution: <0.1% of full scale
Null drift (60 K temp change): <1.0% of full scale
4. Electrical Specifications
Supply voltage: 24 VDC (18–32 VDC)Moog Inc.
Max operating current: 3.5 A
Command signal (jumper selectable): ±10 V, ±10 mA, 4–20 mAMoog Inc.
Spool position feedback output: 0–10 VDC
Connector: M18, 6 pins + PE, IP65Moog Inc.
Ambient temperature: −20 °C to +60 °C
EMC: CE compliant
5. Key Features
Pilot-free direct drive: simple installation, high reliabilityMoog Inc.
Integrated closed-loop control: precise, repeatable positioning
Pressure-independent dynamics: stable performance under varying loadsMoog Inc.
Low internal leakage: energy efficient
Spring-centered fail-safe: safe system shutdown on power loss
6. Applications
High-precision hydraulic presses
Dynamic material testing machines
Fatigue test systems
Closed-loop position, velocity, and pressure control systems
7. Pin Assignment (6+PE)
+24 VDC
Power GND
Command +
Command −
Position feedback output
Feedback GND
PE: Protective earth
Use shielded twisted pair cable for signals.
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