Selection of the tube connection
Selection of the type of tube connection
The tube connection must be resistant in terms of load and the ambient conditions at the system. Furthermore the requirements in terms of the regulations and standards at the system site. Furthermore the requirements in terms of the regulations and standards at the system site.
Pressure
- System pressure
- Pressure surges
Assembly
- Serial fabrication of installation directly at system
- Required space in system
- Properties of the used tubes
| Type | Cutting Ring Fitting DPR | Cutting Ring Fitting B4 | Flared Tube Fitting BO | Welding Fitting SKA |
|---|---|---|---|---|
| Seal | Metal | Elastomeric seal | Elastomeric seal | Elastomeric seal |
| Pressure resistance | +++ | ++ | +++ | +++ |
| ISO Standards | ISO 8434-1 | - | - | ISO 8434-1 |
| Other standards | DIN 2353 DIN 3861 | - | DIN 3949 | DIN 2353 DIN 3865 |
| Tube material | Steel, stainless steel | Steel, stainless steel | Steel, stainless steel | Weldable steel, weldable stainless steel |