DFPI-250–ND2P-E-P-GFESTO Linear Actuator Product Introduction

The FESTO DFPI-250–ND2P-E-P-G linear actuator is a high-performance industrial device designed according to ISO 15552 standards, suitable for various hydraulic and pneumatic control systems. This actuator combines advanced technological features with high-quality materials to provide stable and reliable operational solutions.

Key Features and Specifications:

• Actuator Specification: 250
• Stroke Length: Adjustable from 40 mm to 990 mm
• Piston Diameter: 250 mm
• Buffering: Non-buffered
• Mounting Position: Optional
• Operating Mode: Double-acting
• Structural Features: Cylinder diameter, piston rod, connecting rod, cylinder tube
• Position Detection: Integrated displacement encoder
• Measurement System Principle: Potentiometer
• Reverse Polarity Protection: Yes

Operating Parameters:

• Operating Pressure: 0.3 Mpa to 0.8 Mpa (3 bar to 8 bar, 43.5 psi to 116 psi)
• Rated Operating Pressure: 0.6 Mpa (6 bar)
• Analog Output: 4 – 20 mA
• Operating Voltage Range: DC 9 V to 30 V
• Recommended Scraper Current: <0.1 µA, Maximum Scraper Current: 10000 µA for short durations

Certifications and Compliance:

• RCM Trademark
• KC Mark KC-EMV
• CE Certification: Complies with EU Electromagnetic Compatibility Directive, ATEX Directive, and RoHS Directive
• Compliance with UK EMC Directive and RoHS Directive
• Explosion Protection Level: ATEX Zone 1, Zone 2, Zone 21, Zone 22
• ATEX Certification:
  • Gas Category II 2G
  • Dust Category II 2D
  • Gas Explosion-proof Type Ex h IIC T4 Gb
  • Dust Explosion-proof Type Ex h IIIC T120°C Db

Environmental Adaptability and Durability:

• Operating Medium: Compressed air, meets ISO 8573-1:2010 [7:4:4]
• Continuous Shock Resistance: Tested according to DIN/IEC 68 Part 2-82 Severity Level 2
• PWIS (Paint Wetting Impairment Substances) Compliance: VDMA24364 Zone III
• Storage Temperature: -20°C to 80°C
• Operating Temperature: -20°C to 80°C
• Vibration Resistance: Tested according to DIN/IEC 68 Part 2-6 Severity Level 2
• Protection Ratings: IP65, IP67, IP69K, NEMA 4

Material Specifications:

• End Cover Material: Coated refined aluminum alloy
• Bottom Cover Material: Coated die-cast aluminum
• Electrical Interface Material: Nickel-plated brass, high-alloy stainless steel
• Piston Rod Material: High-alloy stainless steel
• Piston Rod Seal Scraper Material: NBR
• Tube Material: High-alloy stainless steel
• Pipe Material: PE
• Screw Material: Coated steel, high-alloy stainless steel
• Static Seal Material: NBR

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DFPI-125–ND2P-E-P-G
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