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MOOG D633-319C Direct Acting Servo Valve DDV 75 L/min Max Flow Rate

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MOOG D633-319C Direct Acting Servo Valve DDV 75 L/min Max Flow Rate

Name: MOOG D633319C Direct Acting Servo Valve DDV 75 Lmin Max Flow Rate
Brand: MOOG
Price: 1 USD

Buy cheap MOOG D633-319C Direct Acting Servo Valve DDV 75 L/min Max Flow Rate product

Model Number : D633-319C

Feedbacksignal : Potentiometer / LVDT / Digital feedback

Responsetime : Less than 1 second

Payment Terms : T/T

Type : Electro-pneumatic / Pneumatic / Digital

Brand Name : MOOG

Certification : Brand new original

Outputpressurerange : 3-15 psi / 0.2-1.0 bar

Price : Negotiable

Powersupply : 24 V DC / 110 V AC / 220 V AC

Material : Aluminum alloy / Stainless steel

Mountingtype : Direct mount / Remote mount

Protectionclass : IP65 / NEMA 4

Accuracy : ±1% of full scale

Productname : Valve Positioners

Operatingtemperature : -20°C to 70°C

Function : Control valve actuator position

Supplypressure : 20-30 psi / 1.4-2.0 bar

MOQ : 1 pcs

Delivery Time : 5-7 days

Inputsignal : 4-20 mA / 0-10 V / HART / Fieldbus

Supply Ability : 10000 pcs

Application : Control of industrial control valves in process industries

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MOOG D633-319C Servo Valve Technical Specifications

Hydraulic Parameters

Parameter	Specification	Description
Model	D633-319C	Complete Model: D633-319C
Type	Direct-acting servo valve (DDV)	Directly driven by linear force motor, no pilot stage
Maximum Working Pressure	350 bar (35 MPa)	P/A/B ports; T port ≤50 bar (no Y port) / ≤210 bar (with Y port)
Rated Flow Rate	40 L/min	@35 bar Valve pressure drop (single port)
Maximum Flow Rate	75 L/min	Overload flow rate
Step Response	≤12 ms	0->100% stroke Moog
Frequency Response	40-60 Hz	±100% input signal
Control Accuracy	Hysteresis < 0.2%, resolution < 0.1%	High precision control

Working Medium: Mineral oil (DIN 51524), Water Glycol, Phosphate Ester
Oil Viscosity: Recommended 15-100 mm²/s; Permissible 5-400 mm²/s
Cleanliness: ISO 4406 <15/12 (Reliable); <14/11 (Long Life)
Internal Leakage: ≈1.2 L/min (Zero Overlap)

Electrical Parameters

Parameter	Specification	Description
Power Supply	24 VDC (19-32 VDC)	Wide voltage range
Maximum Current	1.2 A	Power consumption specification
Control Signal	±10 V / ±10 mA / 4-20 mA	Built-in Amplifier, Analog Interface
Valve Core Feedback	Built-in Displacement Sensor (LVDT)	Closed-Loop Control
Protection Rating	IP65 (with standard plug)	Dust and water resistant

Ambient Temperature: -20°C to +60°C
Oil Temperature: -20°C to +80°C
Vibration Resistance: 30g, Triaxial

Mechanical and Installation

Parameter	Specification	Description
Installation Standard	ISO 4401 Size 03 (CETOP 03)	Industry standard compatibility
Installation Method	Flange Fixed	Any Installation Position
Valve Body Material	Steel	Durable construction
Sealing	NBR/FKM	Oil-resistant and High-Temperature Resistant
Weight	≈2.5 kg	Compact and lightweight
Power Off Position	Spring Centering	Safe Position

Supply and Warranty

Delivery Time: Regularly 8-12 weeks, some in stock
Warranty: 12 months from the manufacturer
Origin: USA / Germany

Core Advantages

Direct-acting Design: No pilot-stage leakage, dynamic response independent of oil supply pressure, strong anti-contamination capability.

Linear Force Motor: Bidirectional active drive, high thrust, overcomes flow and friction, precise positioning.

Built-in Electronic Closed-Loop: Real-time valve core position feedback, high control accuracy, low hysteresis, and good stability.

Low Power Consumption: Low current near the valve core center position, low standby power consumption.

Wide Operating Condition Adaptability: High pressure, wide temperature range, wide viscosity range, suitable for harsh industrial environments.

Easy Maintenance: No pilot filter, reduces maintenance points, long service life.

Typical Applications

Injection Molding Machines
Die Casting Machines
Hydraulic Presses
Material Testing Machines
Servo Testing Stands
Industrial Robots
Automated Production Lines
Metallurgical Equipment
Papermaking Machinery
Aerospace Testing Systems

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