ATW orbital welding fittings
Thanks to their precise dimensional accuracy and clean internal geometry, they offer optimum gas tightness and minimise flow losses. They are also ideal for use in the pharmaceutical industry, food technology, semiconductor production and plant engineering.
Clean welded joints thanks to ATW orbital welding technology
Reproducible automatic welding joints using ATW orbital welding technology guarantee clean, resilient, highly reliable, dead volume and transition-free joints between pipe and moulded part.
Variants, materials and quality assurance
In addition to classic orbital weld fittings, such as concentric and eccentric reducers, T-pieces, elbows and end caps, we also offer customised products and variants according to customer specifications.
To ensure traceability and quality, every component is tested to guarantee purity and weldability in the long term and certified in accordance with ISO EN 10204 3.1.
Our ATW orbital weld fittings therefore fulfil the high demands of modern plant engineers and plant operators as well as apparatus manufacturers who value durability, safety and technical precision.
For users who want to design their pipe systems precisely, the page Technical data detailed information on materials, tolerances and surfaces. This allows you to match the right ATW orbital welding fittings directly to your requirements.
Perfect welded joints for the highest demands
T-pieces with tangent extensions
T-pieces with tangent extensions
| Passage | Departure |
|---|---|
| 6.00 × 1.00 mm | no matter |
| 8.00 × 1.00 mm | indifferent / 6.00 × 1.00 mm |
| 8.00 × 1.50 mm | no matter |
| 10.00 × 1.00 mm | indifferent / 8.00 × 1.00 mm / 6.00 × 1.00 mm |
| 10.00 × 1.50 mm | no matter |
| 12.00 × 1.00 mm | indifferent / 10.00 × 1.00 mm / 8.00 × 1.00 mm / 6.00 × 1.00 mm |
| 12.00 × 1.50 mm | no matter |
| 12.00 × 2.00 mm | indifferent / 6.00 × 1.00 mm |
| 14.00 × 1.00 mm | 12.00 × 1.00 mm |
| 15.00 × 1.50 mm | indifferent / 12.00 × 1.00 mm / 10.00 × 1.00 mm |
| 18.00 × 1.50 mm | equal / 12.00 × 1.00 mm / 10.00 × 1.00 mm / 6.00 × 1.00 mm |
| 22.00 × 1.50 mm | indifferent / 18.00 × 1.50 mm / 15.00 × 1.50 mm / 12.00 × 1.00 mm |
| 23.00 × 1.50 mm | indifferent / 18.00 × 1.50 mm / 12.00 × 1.00 mm |
| 28.00 × 1.50 mm | equal / 23.00 × 1.50 mm / 18.00 × 1.00 mm / 12.00 × 1.00 mm |
| 28.00 × 1.50 mm | indifferent / 10.00 × 1.00 mm / 8.00 × 1.00 mm / 6.00 × 1.00 mm |
| 35.00 × 1.50 mm | indifferent / 28.00 × 1.50 mm |
| 6.35 × 0.91 mm | no matter |
| 9.53 × 0.91 mm | no matter |
| 12.70 × 1.22 mm | no matter |
| 19.05 × 1.22 mm | indifferent / 12.70 × 1.22 mm |
| 25.40 × 1.65 mm | indifferent / 19.05 × 1.22 mm |
T-pieces with tangent extensions
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elbow with tangent extensions
elbow with tangent extensions
| Dimension | Degree angle | Bending radius |
|---|---|---|
| 6.00 × 1.00 mm | 90 and 45° | 15 mm |
| 8.00 × 1.00 mm | 90 and 45° | 24 mm |
| 8.00 × 1.50 mm | 90 and 45° | 24 mm |
| 10.00 × 1.00 mm | 90 and 45° | 24 mm |
| 10.00 × 1.50 mm | 90 and 45° | 24 mm |
| 12.00 × 1.00 mm | 90 and 45° | 38 mm |
| 12.00 × 1.50 mm | 90 and 45° | 38 mm |
| 15.00 × 1.50 mm | 90° | 50 mm |
| 18.00 × 1.50 mm | 90 and 45° | 35 mm |
| 22.00 × 1.50 mm | 90 and 45° | 67 mm |
| 23.00 × 1.50 mm | 90 and 45° | 35 mm |
| 28.00 × 1.50 mm | 90 and 45° | 50 mm |
| 35.00 × 1.50 mm | 90 and 45° | 55 mm |
| 6.35 × 0.89 mm | 90 and 45° | 14.3 mm |
| 9.53 × 0.89 mm | 90 and 45° | 24 mm |
| 12.70 × 1.22 mm | 90 and 45° | 38.1 mm |
| 19.05 × 1.22 mm | 90 and 45° | 26 mm |
| 25.40 × 1.65 mm | 90 and 45° | 38.1 mm |
elbow with tangent extensions
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Concentric reducers with tangent extensions
Concentric reducers with tangent extensions
| Passage. | Departure |
|---|---|
| 8.00 × 1.00 mm | 6.00 × 1.00 mm |
| 10.00 × 1.00 mm | 8.00 × 1.00 mm |
| 10.00 × 1.00 mm | 6.00 × 1.00 mm |
| 12.00 × 1.00 mm | 10.00 × 1.00 mm |
| 12.00 × 1.00 mm | 8.00 × 1.00 mm |
| 12.00 × 1.00 mm | 6.00 × 1.00 mm |
| 14.00 × 1.00 mm | 10.00 × 1.00 mm |
| 15.00 × 1.00 mm | 12.00 × 1.00 mm |
| 15.00 × 1.00 mm | 8.00 × 1.00 mm |
| 15.00 × 1.00 mm | 6.00 × 1.00 mm |
| 15.00 × 1.50 mm | 12.00 × 1.00 mm |
| 15.00 × 1.50 mm | 10.00 × 1.00 mm |
| 15.00 × 1.50 mm | 8.00 × 1.00 mm |
| 15.00 × 1.50 mm | 6.00 × 1.00 mm |
| 18.00 × 1.50 mm | 12.00 × 1.00 mm |
| 18.00 × 1.50 mm | 10.00 × 1.00 mm |
| 18.00 × 1.50 mm | 8.00 × 1.00 mm |
| 18.00 × 1.50 mm | 6.00 × 1.00 mm |
| 22.00 × 1.50 mm | 18.00 × 1.50 mm |
| 22.00 × 1.50 mm | 15.00 × 1.50 mm |
| 22.00 × 1.50 mm | 12.00 × 1.50 mm |
| 22.00 × 1.50 mm | 12.00 × 1.00 mm |
| 23.00 × 1.50 mm | 18.00 × 1.50 mm |
| 23.00 × 1.50 mm | 15.00 × 1.50 mm |
| 23.00 × 1.50 mm | 12.00 × 1.50 mm |
| 23.00 × 1.50 mm | 12.00 × 1.00 mm |
| 23.00 × 1.50 mm | 10.00 × 1.00 mm |
| 23.00 × 1.50 mm | 8.00 × 1.00 mm |
| 23.00 × 1.50 mm | 6.00 × 1.00 mm |
| 28.00 × 1.50 mm | 23.00 × 1.50 mm |
| 28.00 × 1.50 mm | 22.00 × 1.50 mm |
| 28.00 × 1.50 mm | 18.00 × 1.50 mm |
| 28.00 × 1.50 mm | 15.00 × 1.50 mm |
| 28.00 × 1.50 mm | 12.00 × 1.50 mm |
| 28.00 × 1.50 mm | 12.00 × 1.00 mm |
| 35.00 × 1.50 mm | 28.00 × 1.50 mm |
| 35.00 × 1.50 mm | 23.00 × 1.50 mm |
| 35,00 × 1,50 m |
In addition, all standard dimensions up to 4” OD and the ISO dimension series up to 114.3 mm are available.
We are happy to supply you with other dimensions, also in dimensional jumps, e.g. from ISO to OD dimension, in addition to fittings also pipe manifolds, as customised production.
Concentric reductions
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Clamp and ATW orbital weld fittings made from welded pipes
For pharmaceutical, biotechnology, genetic engineering, solvent and chemical supplies
Processing: ATW orbital welding technology, detachable clamp connections, pipes in accordance with DIN 17457/ DIN 11850/ 11866, DF 3, or ASTM A-270 or ASME BPE, material: DIN 1.4435/ AISI 316 L, tolerances: EN ISO 1127: D4/ T3, internal roughness Ra <= 0.8 my weld included, alternatively 0.8/ 1.6 my or electrochemically polished, available.
Clamp and ATW orbital weld fittings made from welded pipes
| DN | Metric | ISO | Tube imperial |
|---|---|---|---|
| DN 8 | 10,00 × 1,00 | 13,50 × 1,60 | 9,53 × 0,91 |
| DN 10 | 12,00 × 1,00 13,00 × 1,50 | 17,20 × 1,60 | 12,70 × 1,65 |
| DN 15 | 19,00 × 1,50 | 21,30 × 1,60 | 19,05 × 1,65 |
| DN 20 | 23,00 × 1,50 | 26,90 × 1,60 | 25,40 × 1,65 |
| DN 25 | 29,00 × 1,50 | 33,70 × 2,00 | |
| DN 32 | 35,00 × 1,50 | 42,40 × 2,00 | 38,10 × 1,65 |
| DN 40 | 41,00 × 1,50 | 48,30 × 2,00 | 50,80 × 1,65 |
| DN 50 | 53,00 × 1,50 | 60,30 × 2,00 | |
| DN 65 | 70,00 × 2,00 | 76,10 × 2,00 | 76,20 × 1,65 |
| DN 80 | 85,00 × 2,00 | 88,90 × 2,30 | |
| DN 100 | 104,00 × 2,00 | 114,30 × 2,30 | 101,60 × 2,11 |
Other dimensions on request
Welded stainless steel tubes
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