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Specifications

Name : Crank Type Disc Valve
Specification : DN400－1300
Application: Suitable for the hot blast furnace system, served as the chimney valve and combustion valve etc.
Model : QYTB41W-Ⅰ,QYTB741W-Ⅰ,QYTB941W-Ⅰ,QYTB741W-Ⅱ
 
 
 "Yutian" brand crank type disc valve has four models as below:
  • Manual chimney valve,combustion valve QYTB41W-Ⅰ
  • Hydraulic chimney valve, combustion valve QYTB741W-Ⅰ
  • Electric chimney valve, combustion valve QYTB941W-Ⅰ
  • Stand-up fixed type hydraulic chimney valve, combustion valve QYTB741W-Ⅱ
Features:
  • Sealed by medium pressure.
  • Two leading wheels are fixed at the both sides of disc, they roll along the corresponding groove in each side so as to ensure no friction between valve disc and body when operating the disc.
  • Before opening, ensure pipe’s pressure equalized.