Pipes can be provided with Button Valves or with Manchette Valves :
- 3 bar button valves, 12 mm diameter with 140 lt/h flow capacity (a couple)
- 4-5 bar button valves, 16 mm diameter
- 20 bar button valves, 16 mm diameter with 200 lt/h flow capacity (a couple). For the subsequent openings the pressure depends on external resistance. Button valves technical details.
- Manchette valves: whether multiple injections are needed. Manchette valves technical sheet.