Fully automatic check of gas pipeworks acc. to TRGI (Technical Rules for Gas Installations):
- Leak rate determination along with a suitability test
- Tightness check
- Stress test
Liquid gas pipeworks checks acc. to TRF (Technical Rules for Liquid Gas):
- Tightness check (TRF)
- Stability check (TRF)
Water pipeworks checks occur acc. to TRWI; the following i.a. belong hereto:
- Tightness check of press connections (6 bar)
- Tightness check acc. to DIN EN 806-4 - Drinking water resp. compressed air - (11 bar)
Differential pressure measurement for determination of
- Plant connecion pressure (flow pressure)
- Nozzle pressure (flow pressure)
- Gas operation pressure (plant pressure)
- Idle pressure
Tightness check of gas fittings (± 100 to 150 mbar)
Tightness check of heating plants (2,5 or 3 bar; acc. to reaction pressure of safety valve)
Tightness check of sewage plants acc. to DIN EN 1610