MOOG D661-4539 Valve Positioners IP65 IP67 Protection 110V AC / 220V AC

Price Negotiable

Price: Negotiable

MOQ: 1 pcs

Delivery Time: 5-7 days

Brand: MOOG

Product Description

MOOG D661-4539 Servo Valve

Technical Specifications

Parameter	Value
Rated Flow Rate	90 L/min (35 bar differential pressure/throttling edge)
Maximum Operating Pressure	P/A/B port: 350 bar (5000 psi); T port: 210 bar (3000 psi)
Power Supply	24 VDC (18~32 VDC)
Control Signal	±10 V / ±10 mA / 4~20 mA (factory optional)
Step Response	≤10 ms (0~100% stroke, 210 bar operating condition)
Valve Core Type	Spring-centered, fail-safe (returns to neutral position after power failure)
Operating Temperature	-20°C ~ +70°C (Optimal for medium 10~50°C)
Protection Rating	Electronic components IP65, valve body IP67
Contamination Resistance	Recommended NAS 8, minimum NAS 10
Weight	Approx. 5.7 kg
Sealing	Standard FPM (Viton), compatible with mineral oil/synthetic oil

Core Product Advantages

ServoJet® Jet Tube Pilot: Strong anti-fouling capability, long lifespan, low leakage, dynamic response unaffected by oil supply pressure fluctuations
Built-in Closed-Loop Electronics: Valve core displacement sensor + PWM drive, hysteresis < 0.2%, repeatability < 0.1%, extremely high control accuracy
High Dynamics + High Flow Rate: 90 L/min high flow rate + millisecond-level response, balancing speed and accuracy
Fault-Safe and Reliable: Automatic return to neutral position in case of power failure/loss, protecting equipment and system safety
Industrial-Grade Durability: Stainless steel valve core, cast iron valve body, suitable for high temperature, high pressure, and vibration harsh conditions

Physical and Installation Specifications

Mounting Surface: ISO 4401-05 standard, 4 M8 mounting holes
Dimensions: Approx. 230 × 130 × 160 mm (Length × Width × Height)
Connection: P/A/B/T standard oil-filled connector, X/Y pilot connector optional
Wiring: Industrial waterproof plug (IP65), to be ordered separately