Internal thread needle valve
It is suitable for natural gas, liquefied petroleum gas, city gas, air or nitrogen and other non corrosive gas pipelines.
Shell: 1.5 times rated pressure,
Seat: 1.1 times rated pressure.
-10°C to 120°C (EPDM)
-10°C to 150°C (PTFE)
LPG, water, acid, steam, oil, etc.
|valve stem||stainless steel|
|valve bonnet||stainless steel|
|valve disc||stainless steel|
|packing||PTFE, Flexible graphite|
The butterfly valve is mainly used in the media of gypsum ash, sulfur dioxide, lime slurry paste, process water and etc.