Go to 

Current location:home page  > Pneumatic Butterfly Valve

Rapid cut-off butterfly valve

The shortest cut-off time of fast shut-off butterfly valve is 0.3 seconds, which is an energy-saving equipment. It is widely used in industrial pits to cut off quickly. It can be used with industrial computers and remote controllers and other instrumentation equipment to implement automatic remote control of production process. The utility model has the advantages of simple structure, convenient operation, small flow resistance and large caliber, reduces labor intensity, and ensures safe production and energy saving.

Product scope

Valve Body Type: Flat Cast Valve Body

Size: DN100~DN1200 (4"~48")

Nominal Pressure: 150-300 LB

_Suitable temperature: -40-450 C

Design and Manufacture Standard: ANSI B16.34/EN 12516

Test Standards: IEC 534-4 Class V, ANSI/FCI70-2

_Flange Connection Standard: ANSI B16.5/EN1092-1:2001

_Valve spool type: central rotary type

_Flow Characteristics: Quick Opening

Guide tube material: 40Cr, Cr13

Valve body material: carbon steel, stainless steel

_Disc angle: 75 80 84.

Top Cover: Standard and body casting.


Relevant information