WEYO Servo Valve - H10 Series
Overview: The WEYO H10 servo valve is an advanced two-stage electro-hydraulic servo valve, designed for high-performance applications requiring precision and speed. It features a servo-motor-driven pilot stage that controls the main valve core, offering fast response and high accuracy. Ideal for applications such as injection molding machines, die-casting, and other precision control systems.
Key Features:
· Energy Efficiency: The pilot stage reduces leakage by over 70% compared to traditional jet pipe and nozzle deflector pilot stages, significantly lowering the overall valve power consumption.
· High Dynamic Performance: The pilot stage provides excellent dynamic performance, especially with higher pressure gain, which improves response time and stability.
· Superior Static Performance: The valve offers significantly improved static performance with a 5x reduction in hysteresis compared to traditional valve designs.
· Low-Pressure Control: The valve can operate at lower start-up control pressures, enhancing low-pressure performance.
· Built-in Servo Amplifier: The pilot stage integrates a servo amplifier for easy adjustment and maintenance, making it highly customizable for different applications.
· Large Flow Path: The valve body is designed for high-flow capability, with flexible internal control oil options (internal or external control).
Mechanical Installation Interface:
· Installation Length: Minimum of 100mm. Ensure the O-ring groove for X and Y ports is properly installed.
· Required Tools: M6 x 55 screws (torque: 13Nm), and sealing O-rings are provided with the standard supply.
· Compliance: Installation interface conforms to ISO 4401-05-05-0-94 standards.
Specifications:
· Valve Type: 4-way, with the main valve core controlled by the servo motor-driven pilot stage.
· Drive: Pilot control for the main valve.
· Size: 220mm x 75mm x 145mm.
· Weight: 5.7kg.
· Hydraulic Pressure Range: Up to 35 MPa at ports P, A, and B.
· Contaminant Resistance: Typically NAS 7 for normal operation, and NAS 5 for extended life under wear conditions.
· Environmental Temperature: -20°C to +60°C.
Performance Data:
· Max Pressure: 350 bar.
· Rated Flow: 160 L/min (at 35 bar).
· Max Flow: 250 L/min (ISO 4401-05 specifications, with a second T-port).
· Frequency Response: >85 Hz.
· Step Response: <8 ms.
· Hysteresis: <0.3%.
· Resolution: <0.05%.
· Zero Drift: ΔT = 55 K.
Electrical Specifications:
· Power Supply: 24 VDC (18V to 28V DC), with reverse polarity protection.
· Input Signal: Differential voltage input (±40mA).
· Electromagnetic Compatibility: EN61000-6-2, EN55011:1998+A1.
Hydraulic Fluid:
· Fluid Type: Petroleum-based hydraulic oil (DIN 51524 Part 1-3), or customer-specific fluid.
· Fluid Temperature: -20°C to +80°C.
· Viscosity: Recommended: 15-100 mm²/s; allowable: 5-400 mm²/s.
Optional Accessories:
· Seals: NBR 85 or FKM 85 O-rings for ports P, T, A, B, X, and Y.
· Protective Plug: Standard protective plug for connectors (IP65 rated).
· Additional Components: Mounting screws, sealing components, and electrical connectors included in the standard package.
Applications:
This valve is ideal for high-precision applications, including:
· Die-casting machines
· Injection molding machines
· High-speed and low-speed precision control systems
· Industrial automation requiring high-efficiency servo control.
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WEYO Servo Valves H10 Series 4 Way For Die Casting Machines Injection Molding Machines Images
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