Concentric Center Line Butterfly Valve Face To Face For Water , High Pressure

Industry Butterfly Valves No Lug Butterfly Valve and High Pressure Butterfly Valves

Design Standard: MSSSP-67, API609.

Face to Face: API609, ISO5752 Series 20, BS5155.

Test:API598.

Feature:

This kind of butterfly valve is concentric (center line ) with resilient seat . it can be installed between two flanges using bolts or nuts and studs .Compared with other butterfly valve . it has higher performance to prevent the tube from leakage . it is widely utilized in foodstuff , pharmacy , chemical industry , environmental protection , water treatment , high building , water supply and draining industry , etc .