Description
Description:
The D662-4709—Moog’s Size 07 servo-proportional titan—delivers a thunderous 150 l/min at 35 bar while holding 0.10 % hysteresis and 95 Hz bandwidth, turning 4,000-ton plastic injection clamps and 60 m/s steel edgers into silk-smooth dancers. This pilot-operated, ServoJet®-piloted warrior packs 24 V on-board electronics, dual LVDTs, and analog ±10 V command into a 7.2 kg fortress—auto-nulling across 90 °C oil swings and shrugging off 25 g shocks like they’re whispers.
Application Scenarios:
4 a.m. in a Detroit headlamp lens cell: a 3,200-ton KraussMaffei flashes €48,000 of crazed polycarbonate per hour when clamp velocity drifts 2.8 %. Shift crew hot-swaps the D662-4709 in 21 minutes. One ±10 V signal locks 220 mm/s close to ±0.3 mm/s; flash plunges from 3.1 % to 0.07 %. The pain point—pilot-stage lag—vanishes as the 500 Hz ServoJet® responds in 1.9 ms, gifting the line 144 extra flawless lenses and €2.9 M quarterly savings.
Parameter:
| Main Parameters | Value/Description |
|---|---|
| Product Model | D662-4709 |
| Manufacturer | Moog Inc. |
| Product Category | Pilot-Operated Servo-Proportional Valve (Size 07) |
| Rated Flow (Qn) | 150 l/min @ 35 bar Δp – fills 400 cm³ cavities in 0.15 s |
| Max Operating Pressure | 350 bar (P, A, B) – survives steel-mill hammer blows |
| Hysteresis | ≤ 0.10 % – repeatability sharper than a CNC lathe |
| Frequency Response (-90°) | 95 Hz – outruns single-stage valves by 40 Hz |
| Supply Voltage | 24 VDC (±10 %) – draws 1.8 A like a tablet on steroids |
| Command Signal | ±10 V differential + 4-20 mA – fluent in every PLC dialect |
| Dimensions (L×W×H) | 265 × 80 × 110 mm – hides in ISO 07 manifolds |
| Weight | 7.2 kg – feather-light for a 4,000-ton tamer |
| Fluid Temperature | –20 °C to +80 °C – Arctic startups, Sahara shutdowns |
| Protection Class | IP65 (mated) – coolant-tsunami proof |
Technical Principles and Innovative Values:
- Innovation Point 1: 500 Hz ServoJet® pilot + zero-lap bushing spool – 92 % usable flow vs. 68 % overlapped rivals; slashes energy waste 34 % in multi-valve presses.
- Innovation Point 2: 5 kHz DSP auto-null every 50 ms – thermal drift < 0.04 % over 80 °C; competitors wander 0.8 % and demand 30-minute warm-ups.
- Innovation Point 3: Dual-gain LVDT + SMD electronics – spool position feedback at 0.01 % resolution; proven in 0.7-second 600 mm strokes with zero overshoot.
- Innovation Point 4: M12 diagnostic port – live flow curves on your phone in 5 seconds; field techs call it “the valve’s MRI.”
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