• K: Explosion‑proof type (Ex de IIB+H2 T4/T3), Zone 1/2 hazardous areas

• 2002: Flow rating & version code (enhanced 2000 series)

• C: Design revision

2. Basic Information

• Brand: MOOG

• Type: Single‑stage, pilotless, direct‑drive servo valve (DDV)Moog Inc.

• Mounting: ISO 4401‑05 (NG10)Moog Inc.

• Drive: Permanent magnet linear force motor (bidirectional direct drive)Moog Inc.

• Feedback: Integrated LVDT spool position closed‑loop

• Electrical: Integrated 24 VDC PWM drive, “de” explosion‑proof protection

• Protection: IP65

• Weight: Approx. 6.3 kg

3. Hydraulic Specifications

• Max working pressure (P/A/B): 350 bar (5,000 psi)

• Max T‑port pressure: ≤50 bar; Y‑port optional 350 bar

• Rated flow (Δp=35 bar): 100 L/min

• Peak flow: 180 L/min

• Null leakage: 2.5–7 L/min

• Fluid: ISO 11158 mineral hydraulic oil

• Fluid temperature: −20 ℃ ~ +80 ℃

4. Electrical Specifications

• Supply voltage: 24 VDC (18–32 VDC range)

• Max operating current: 2.5 A

• Control signals: ±10 V, ±10 mA, 4–20 mA

• Connector: 6‑core + PE ground terminal

• Design: Integrated explosion‑proof PWM drive module

5. Dynamic Performance

• Full‑stroke step response: ≤20 ms

• −3 dB bandwidth: 18–30 Hz

• Hysteresis: ＜0.25% full scale

• Resolution: ＜0.10% full scale

• Temperature drift: ＜1.5% full scale

6. Key Features

• ✅ Pilotless design: No pilot oil needed, fewer lines, lower internal leakageMoog Inc.

• ✅ Pressure‑independent dynamics: Direct‑drive structure, stable performance regardless of pressure fluctuationsMoog Inc.

• ✅ LVDT closed‑loop: Real‑time spool position feedback, high positioning accuracy

• ✅ Spring centering: Auto‑return to neutral on power loss, fail‑safeMoog Inc.

• ✅ Explosion‑proof certified: ATEX/IECEx Ex de IIB+H2 T4, for flammable/explosive environments

• ✅ Standard mounting: NG10 common footprint, easy replacementMoog Inc.

7. Typical Applications

• Offshore oil & gas, chemical explosion‑proof hydraulic systems

• Mining machinery, hazardous‑area electrohydraulic control

• High‑precision closed‑loop control in energy & process industriesMoog Inc.

• Equipment processing flammable media