Festo PUN-4X0,75-BL plastic tubing: 4mm outside diameter, 2.6mm inside diameter, 16mm bending radius, suitable for food processing and energy chains.
Product Modelpun-4x0,75-bl
Material Number159662
Product ID4426
Stock on Request
Last updated: 8/29/2026
Key Features
1
Food-Safe and Hydrolysis ResistantThe PUN-4X0,75-BL tubing is approved for use in food processing, ensuring it meets the highest standards of safety and hygiene. Its hydrolysis resistance makes it an ideal choice for applications where exposure to water is a concern.
2
High Cycle DurabilityDesigned to withstand high cycle rates, this tubing is tested to exceed 5 million cycles, making it a reliable choice for demanding applications. Its suitability for energy chains ensures long-lasting performance.
3
Flexible Bending RadiusWith a bending radius relevant for flow rate of 16 mm and a minimum bending radius of 8 mm, the PUN-4X0,75-BL tubing offers flexibility and ease of installation. This flexibility is crucial for maintaining optimal flow rates in various pneumatic systems.
4
Temperature-Dependent Operating PressureThe tubing operates within a temperature range of -35°C to 60°C and supports an operating pressure of -0.95 to 10 bar. This wide temperature range and pressure capability make it versatile for various industrial applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Outside diameter
4mm
Bending radius relevant for flow rate
17mm
Inside diameter
2.6mm
Min. bending radius
8mm
Application note
TPE-U Ester based The plastic tubing may only be laid in contact with cables if their sheathing is free of phosphoric acid esters. Otherwise the plastic tubing may get damaged.
Tubing characteristics
Suitable for energy chains
5
Compliant with Industry StandardsThe PUN-4X0,75-BL tubing is compliant with ISO8573-1:2010 for compressed air and is also suitable for water use as per manufacturer’s declaration. Its compliance with industry standards ensures it meets the necessary safety and performance criteria.
Operating pressure for entire temperature range
-13.775psi 101.5psi
Temperature-dependent operating pressure
-13.775psi 145psi
Certification
German Technical Control Board (TüV)
Certificate issuing authority
B 013277 0506 00
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-]
Material fire test
UL94 HB
LABS (PWIS) conformity
VDMA24364-B2-L
Ambient temperature
-35°C 60°C
Product weight by length
0.0089kg/m
Pneumatic connection
For plug connection outside diameter 4 mm For barbed fitting, inside diameter 3 mm, with union nut For barbed fitting, inside diameter 3 mm
