Taiwan Taihui Electromagnetic Valve HDF Full Series
4 week ago
Product details
1. Product Overview
Taiwan Taihui HDF Series Electromagnetic Valvesare high-performance solenoid-operated directional control valves designed for industrial automation, hydraulic systems, and pneumatic applications. Manufactured in Taiwan, the HDF series integrates precision engineering with durable materials to ensure reliable operation in harsh environments.
Key Features:
• Solenoid Actuation: Fast response time (≤10ms) for precise control of fluid direction.
• Compact Design: Space-saving footprint with multiple mounting options (e.g., DIN rail, flange).
• High Pressure Rating: Up to 35 MPa (5075 PSI) for hydraulic applications.
• Corrosion Resistance: Stainless steel or hardened steel construction for longevity.
• Customizable Voltage: Available in 12VDC, 24VDC, 110VAC, or 220VAC options.
2. Technical Specifications
HDF Series Model Breakdown
【表格】
Model Flow Capacity (L/min) Pressure Range (MPa) Port Size Solenoid Power (W)
HDF-06 10–40 0–21 G1/4 15
HDF-10 30–80 0–31.5 G3/8 25
HDF-16 60–150 0–35 G1/2 35
HDF-25 120–300 0–35 G1 50
Performance Parameters
• Operating Temperature: -20°C to +80°C (standard); optional -40°C to +120°C for extreme environments.
• Fluid Compatibility: Hydraulic oil (ISO VG32–VG68), water-glycol, or mild chemicals.
• Duty Cycle: Continuous operation (ED 100%) for industrial use.
• Leakage Rate: ≤0.1 cc/min (internal leakage at rated pressure).
3. Core Components & Design
(1) Solenoid Assembly
• Coil Material: Class F insulation (155°C rated) with IP65 protection.
• Plunger Guide: Precision-ground stainless steel for smooth operation.
• Spring Return: Hardened steel spring for reliable reset in de-energized state.
(2) Valve Body
• Material: Carbon steel (forged) or 316L stainless steel (optional for corrosive fluids).
• Seal Type: Nitrile rubber (NBR) or fluorocarbon (FKM) O-rings (temperature/chemical resistant).
• Spool Design: Balanced spool with hardened surfaces to minimize wear.
4. Typical Applications
(1) Hydraulic Systems
• Construction Machinery: Control of boom, bucket, and slewing functions in excavators.
• Metal Forming Presses: Directional control for clamping and stamping operations.
• Injection Molding Machines: Pilot-operated valves for mold opening/closing.
(2) Pneumatic Automation
• Assembly Lines: Actuation of grippers, cylinders, and rotary tables.
• Packaging Machinery: Control of vacuum suction and sealing mechanisms.
(3) Specialized Industries
• Marine Equipment: Saltwater-resistant models for offshore hydraulic systems.
• Food Processing: Stainless steel valves compliant with hygiene standards (e.g., 3A, EHEDG).
5. Selection Guide
Step 1: Determine Flow & Pressure Requirements
• Use the formula:Flow (L/min) = Cylinder Area (cm²) × Stroke Speed (cm/s) × 60.
• Select a valve with≥20% higher flow capacitythan calculated to account for losses.
Step 2: Choose Solenoid Voltage
• DC Voltage (12V/24V): Preferred for mobile equipment (e.g., forklifts, agricultural machinery).
• AC Voltage (110V/220V): Suitable for fixed industrial installations.
Step 3: Environmental Adaptation
• High Humidity: Opt for FKM seals and epoxy-coated coils.
• Explosive Atmospheres: ATEX-certified models (Zone 1/21 available).
6. Installation & Maintenance
Installation Tips
• Orientation: Mount vertically with solenoid upright to prevent debris accumulation.
• Fluid Cleanliness: Filter hydraulic oil to ISO 4406 18/16 (NAS 6) to avoid spool jamming.
• Electrical Connection: Use shielded cables to reduce electromagnetic interference (EMI).
Maintenance Schedule
• Monthly: Inspect for leaks, clean solenoid vent holes.
• Annually: Replace seals and test solenoid resistance (should be within ±10% of nominal value).
• Troubleshooting:
• No Response: Check power supply, coil continuity, and manual override function.
• Slow Operation: Clean or replace filter, verify fluid viscosity.
7. Certifications & Compliance
• Quality Standards: ISO 9001:2015, CE (EMC/LVD Directives).
• Industry Approvals: UL, CSA (for North American markets).
• RoHS Compliance: Lead-free materials for environmental safety.
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