Festo PUN-H-8X1,25-NT-400: Food-safe, hydrolysis-resistant plastic tubing for compressed air and water, with a bending radius of 37 mm and operating pressure of -0.95 to 10 bar.
Product Modelpun-h-8x1,25-nt-400
Material Number558266
Product ID13236
Stock on Request
Last updated: 8/29/2026
Key Features
1
Food-Safe and Hydrolysis ResistantThe Festo PUN-H-8X1,25-NT-400 plastic tubing is approved for use in food processing and is hydrolysis-resistant, ensuring it meets the highest standards of safety and durability in critical environments.
2
Suitable for Compressed Air and WaterThis tubing is designed to operate with both compressed air and water, making it versatile for a wide range of applications. It meets the standards of ISO8573-1:2010 for compressed air and can be used with water as per manufacturer’s declaration at www.festo.com.
3
High Cycle Rate PerformanceThe tubing is suitable for energy chains in applications with high cycle rates, exceeding 5 million cycles to FN 942021, ensuring reliable performance even in demanding conditions.
4
Temperature Dependent Operating PressureThe tubing operates within a temperature range of -35°C to 60°C and has a temperature-dependent operating pressure of -0.95 to 10 bar, making it adaptable to various environmental conditions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Outside diameter
8mm
Bending radius relevant for flow rate
37mm
Inside diameter
5.7mm
Min. bending radius
21mm
Application note
TPE-U Ether based
Tubing characteristics
Suitable for energy chains
5
TÜV Authorized and Easy to CleanThe Festo PUN-H-8X1,25-NT-400 is TÜV authorized, ensuring it meets stringent safety standards. Its design also makes it easy to clean, reducing maintenance and downtime in critical applications.
6
Pneumatic Connection OptionsThe tubing is compatible with push-in connectors outside diameter 8 mm and barbed connectors internal diameter 6 mm with nut, providing flexibility in connection options to suit different application requirements.
Operating pressure for entire temperature range
-13.775psi 87psi
Temperature-dependent operating pressure
-13.775psi 145psi
Information on operating pressure
Water: temperature-dependent operating pressure, see diagram, max. 0.3 MPa at 0 - 60 °C
Certification
German Technical Control Board (TüV)
Certificate issuing authority
B 013277 0506 00
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-] Water (liquid, ice-free)
Material fire test
UL94 HB
LABS (PWIS) conformity
VDMA24364-B2-L
Suitability for the production of Li-ion batteries
Metals with more than 1% by mass of copper, zinc or nickel are excluded from use.The exceptions are nickel in steel, chemically nickel-plated surfaces, circuit boards, cables, electrical plug connectors and coils
Cleanroom class
Statically installed element, no meaningful evaluation possible according to ISO 14644-1
For use in the food industry
See supplementary material information
Ambient temperature
-35°C 60°C
Product weight by length
0.0287kg/m
Pneumatic connection
For plug connection outside diameter 8 mm For barbed fitting, inside diameter 6 mm, with union nut
