Extend-retract Butterfly Valve
Custom processing: Yes
Material: Carbon Steel 
Suitable medium: water, steam, oil, etc. 
Standard: GB 
Parts and accessories: Turbo 
Nominal Diameter: DN50-DN1800 
Connection: flange 
Pressure environment: atmospheric 
Flow direction: one-way 
Uses: Cut-off
Installation size: 2'' -72'' 
Structure: Offset Plate 
Working temperature: Carbon: -25℃ -425 ℃
Drive mode: Turbo Drive 
Diameter: DN200 
Size: 8''