Festo PUN-H 4x0.75 Blue Polyurethane Tubing – 4mm (50m Coil)

Designed for reliable performance in pneumatic applications, the Festo Blue Polyurethane Tubing offers excellent flexibility, durability, and resistance to wear. With a 4mm outer diameter and a smooth internal bore, it ensures efficient airflow while maintaining a compact profile. Suitable for energy chains and environments ranging from -35°C to 60°C, this tubing is built to handle demanding industrial use with confidence.

Features

• Flexible and lightweight construction
• Suitable for energy chain applications
• Resistant to kinking and abrasion
• Certified to German TÜV standards
• Compatible with compressed air and water (ice-free)
• RoHS compliant and suitable for battery production environments

Specifications

• Coil Length: 50 metres
• Colour: Blue
• Outer Diameter: 4 mm
• Inner Diameter: 2.6 mm
• Min. Bending Radius: 8 mm (flow-relevant: 16 mm)
• Operating Pressure (full temperature range): -0.095 to 0.6 MPa / -0.95 to 6 bar
• Temperature-Dependent Max Pressure: up to 1 MPa / 10 bar
• Operating Medium: Compressed air (ISO 8573-1:2010) & water (ice-free)
• Temperature Range: -35°C to 60°C
• Material: TPE-U (Polyurethane)
• Hardness: Shore D 52 ±3
• Fire Classification: UL94 HB
• Compatibility: Push-in connector O.D. 4 mm / Barbed fitting I.D. 3 mm
• Weight: 0.0085 kg/m
• Certification: TÜV approved; RoHS compliant; Suitable for Li-ion battery production (reduced Cu/Zn/Ni content)