FLEXIBLE AIR ROUTING · PU SERIES

One flexible tube family for everyday pneumatic routing.

Standard thermoplastic polyurethane tubing for compressed-air connections, available across the common machine-building sizes and four documented production colors.

TPU material4×2.5–16×124 colorsVerified-company 10 m sample

Request this PU range Apply for a business sample

Single red HOLID PU pneumatic tube reel photographed from a three-quarter angle

Single production reel · three-quarter view

Route compact machines

Flexible construction supports short bends and moving pneumatic layouts.

Identify lines by color

Clear, red, blue and black options help organize circuits and maintenance work.

Match by outer diameter

Select the push-in fitting by tube OD, then confirm the required thread and geometry.

PRODUCT VIEWS

Stacked reels, tube end and routing behavior in separate views.

The detail page now shows the complete four-color PU family in one vertical stack, followed by a clean tube-end macro and an unmeasured routing curve.

Four complete HOLID standard PU pneumatic tube reels stacked vertically in clear, red, blue and black — **Four-reel vertical stack**Complete reels · clear · red · blue · black

Macro view of a clear HOLID TPU pneumatic tube cut end and circular bore — **Clear TPU tube end**Single-wall tube and clean circular bore

Blue HOLID PU pneumatic tube arranged in a broad S curve on a warm gray studio surface — **Flexible routing view**Presentation curve · no radius claim

PUBLISHED SUPPLY PROFILE

The range is public. The operating rating stays model-specific.

Dimensions, colors and reference production weights come from the current factory material. Pressure and temperature are confirmed against the selected size and current production specification in the quotation.

MaterialThermoplastic polyurethane (TPU)

Working mediumCompressed air

Published size range4×2.5 to 16×12 mm

Documented colorsClear, red, blue, black

First business sampleOne free 10 m sample per verified company; subject to availability; applicant pays international freight

Production formatFull coils; length confirmed by size and order

SIZE & WEIGHT DIRECTORY

Seven common PU sizes ready for model-level RFQ.

Reference weights are net tube weights for 100 m without the plastic reel. Final coil length, reel, packing and gross weight are confirmed per order.

Tube size	Outer diameter	Inner diameter	Reference 100 m net weight
PU 4×2.5	4 mm	2.5 mm	1.90 kg
PU 6×4	6 mm	4 mm	3.89 kg
PU 8×5	8 mm	5 mm	3.80 kg
PU 10×6.5	10 mm	6.5 mm	5.62 kg
PU 12×8	12 mm	8 mm	7.79 kg
PU 14×10	14 mm	10 mm	9.34 kg
PU 16×12	16 mm	12 mm	10.90 kg

Larger documented formats—18×14, 20×16 and 22×18—remain available for review but are not included in the published standard matrix yet.

COMPLETE THE CIRCUIT

Choose the tube first. Then match each fitting.

Send the tube size, color, coil format, quantity, operating pressure, temperature and machine application. HOLID can then map the straight, elbow, reducer, tee and threaded fittings required.

View fitting families

READY FOR A SPEC CHECK?

Send the application. We’ll build the matching supply list.

Prepare your RFQ