D634-305C
Description
1. General Description
2. Hydraulic Specifications
Mounting: ISO 4401 Size 05 (NG10)
Max working pressure (P, A, B): 350 bar (5,000 psi)
T‑port pressure: 50 bar (without Y‑port); 350 bar (with Y‑port)
Rated flow (Δp = 35 bar per land): 100 L/min (26.4 gpm)
Maximum flow: approx. 185 L/min (48.8 gpm)
Internal leakage: ≤ 0.8 L/min
Fluid: Mineral oil (ISO 11158 / DIN 51524)
Fluid temperature: −20 °C to +80 °C
Filtration: ISO 4406 17/14/11 or better
Weight: approx. 6.3 kg (13.9 lb)
3. Dynamic Performance (Typical)
Step response (0 → 100% stroke): ≤ 18 ms
−3 dB bandwidth: 65–75 Hz
Hysteresis: < 0.4% of full scale
Resolution: < 0.08% of full scale
Null drift (60 K temp change): < 1.2% of full scale
4. Electrical Specifications
Supply voltage: 24 VDC (18–32 VDC)Moog Inc.
Max operating current: 3.0 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
High‑flow direct drive: 100 L/min rated, no pilot supply needed
Integrated LVDT closed‑loop: excellent linearity and repeatability
Pressure‑independent dynamics: stable under varying load conditions
Low internal leakage: energy efficient for high‑flow systems
Spring‑centered fail‑safe: safe shutdown on power loss
6. Applications
High‑flow hydraulic axes
Presses & heavy‑duty industrial machinery
Injection molding (high‑speed, high‑flow)
Material testing systems
General‑purpose high‑flow closed‑loop control
7. Wiring Definition
Pin 1: +24 VDC
Pin 2: Power ground
Pin 3: Command signal (+)
Pin 4: Command signal (−)
Pin 5: Spool position feedback (0–10 VDC)
Pin 6: Feedback ground
PE: Protective earth
Recommendation: Use shielded twisted‑pair cable for signals.
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