Butterfly valves are used to prevent the flow. This is advantageous for the targeted blocking of parallel lines or for maintenance work.
Depending on the required resistance, the blocking element can be offered lined with TFM / PFA.
Available control types:
Available materials housing:
- Steel, stainless steel and special steels
The seals can be made of metal or made of hard or soft-sealing plastics.
Depending on the material of the housing and the seal (metallic or plastic), the tightness is determined according to DIN EN 12266-1 and the leakage rate.