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Festo reference / type: PUN-H-6X1-NT — Festo Part No. 197377
The Festo PUN-H-6X1-NT is a natural-colour polyurethane pneumatic tube with a 6 mm outside diameter and 1 mm nominal wall thickness, resulting in an internal diameter of approximately 4 mm. The tube uses ether-based TPE-U polyurethane and is intended for flexible pneumatic routing, including applications where the tubing is installed in energy chains. Its natural finish provides a clean, neutral appearance for machine installations, while the 6 mm outside diameter makes it a practical choice for pneumatic circuits using 6 mm push-in fittings.
Technical specifications
|
Manufacturer |
Festo |
|
Product family |
PUN-H pneumatic tubing |
|
Official type |
PUN-H-6X1-NT |
|
Festo part number |
197377 |
|
Colour |
Natural |
|
Outside diameter |
6 mm |
|
Inside diameter |
4 mm |
|
Nominal wall thickness |
1 mm |
|
Minimum bending radius |
10 mm |
|
Flow-relevant bending radius |
26 mm |
|
Material |
TPE-U (polyurethane), ether-based |
|
Shore hardness |
D 52 ±3 |
|
Operating pressure, complete temperature range |
-0.95 to 6 bar |
|
Temperature-dependent operating pressure |
-0.95 to 10 bar, subject to Festo's temperature/pressure conditions |
|
Ambient temperature |
-35 °C to +60 °C |
|
Operating media |
Compressed air according to ISO 8573-1:2010 [7:-:-]; liquid, ice-free water |
|
Water pressure note |
Maximum 0.3 MPa at 0–60 °C, according to Festo's stated water-pressure limitation |
|
Product weight |
Approx. 0.0183 kg/m |
|
Pneumatic connection compatibility |
Push-in fittings for 6 mm O.D. tube; Festo also lists 4 mm I.D. barbed connection with union nut |
|
Material fire test |
UL94 HB |
|
PWIS / LABS conformity |
VDMA24364-B2-L |
|
Li-ion battery production suitability |
Suitable with reduced Cu/Zn/Ni values, F1a |
|
Certification |
TÜV; certificate B 013277 0527 00 |
|
RoHS |
Compliant |
|
Standard listed packaging |
50 m; 500 m version also listed by Festo under part no. 558265 |
Key features and product benefits
· 6 mm outside diameter is compatible with 6 mm push-in pneumatic fittings.
· 4 mm internal diameter provides a practical flow passage for general pneumatic circuits.
· Ether-based TPE-U construction is flexible and suited to dynamic routing.
· Festo specifies the tubing as suitable for energy-chain applications.
· Natural colour provides a clean appearance and can aid visual inspection.
· Suitable for compressed-air applications within the specified operating limits.
Typical applications
· Industrial automation and pneumatic machinery
· Valve and actuator circuits
· Robotic and handling equipment
· Energy-chain installations
· Pneumatic manifolds and distribution systems
· Machine-building and control systems
Installation and usage guidance
· Use a clean, square cut so the tube seats correctly in the push-in fitting.
· Insert the tube fully into the compatible 6 mm push-in connector and pull-check the connection.
· Observe the minimum bending radius of 10 mm and use the 26 mm flow-relevant radius when flow performance requires it.
· Avoid crushing, kinking or sharply folding the tube during installation.
· Protect the tubing from abrasion and environmental conditions outside the specified range.
· Confirm the actual operating medium, pressure and temperature before commissioning.
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