European standard diameters
| Nominal diameter DN | Inside diameter (mm) | Outside diameter (mm)) | Coil length (m) |
|---|---|---|---|
| 16 | 14 | 16 | 60 |
| 20 | 18 | 20 | 45 |
| 25 | 22 | 25 | 30 |
| 32 | 29 | 32 | 30 |
| 40 | 36 | 40 | 21 |
| 50 | 46 | 50 | 21 |
| 63 | 58 | 63 | 21 |
| Nominal diameter DN | Inside diameter (mm) | Outside diameter (mm)) | Coil length (m) |
|---|---|---|---|
| 16 | 14 | 16 | 60 |
| 20 | 18 | 20 | 45 |
| 25 | 22 | 25 | 30 |
| 32 | 29 | 32 | 30 |
| 40 | 36 | 40 | 21 |
| 50 | 46 | 50 | 21 |
| 63 | 58 | 63 | 21 |
| high | medium | none | ||
|---|---|---|---|---|
| Acids | weak | |||
| strong | ||||
| oxidising | ||||
| hydrofluoric | ||||
| Bases | dry halogens | |||
| weak | ||||
| strong | ||||
| Solvents | alkohols | |||
| esters | ||||
| ketones | ||||
| ethers | ||||
| chlorinated hydrocarbons | Oils and diesel materials | benzene | ||
| petrol | ||||
| diesel mixtures | ||||
| mineral oils | ||||
| fatty oils |
| recommended | admissible | shoud not be used | |
|---|---|---|---|
| Wall installations | |||
| Sunk installations | |||
| Outer wall installations | |||
| Plaster walls | |||
| Combustible surfaces (wood, etc.) | |||
| Underground installations | |||
| Poured concrete | |||
| Vibrated concrete | |||
| Steamed and vibrated concrete | |||
| Electrotechnical equipment | |||
| Industrial apparatus, control and automatics | |||
| Food and chemical industry facilities | |||
| Automotive industry | |||
| Shipyard industry | |||
| Aircraft industry |