86-311-68036528 helvvalve003@helvvalve.com
         
   
 
 
 
 
 
 
Products
 
 
  Ball valve  
 
 
  Gate valve  
 
 
  Check valve  
 
 
  Globe valve  
 
 
  Butterfly valve  
 
 
Contact Us
 
 
     
 
 
  helvvalve003@helvvalve.com
 
 
    helvvalve@aliyun.com
 
 
    helvvalve@126.com
 
 
 
86-311-68036528
 
     
  big size butterfly valve
Home > Products > Hot products
     
   
     
big size butterfly valve
  Body

WCB ¡¢QT450-10 HT200 ¡¢HT250

 
  Plate

WCB¡¢QT450-10¡¢HT200¡¢HT250

 
  Shaft 2Cr13  
  Sealing ring NBR oil resistant rubber  
  Packing Flexible graphite  
 
 
 
 
 
 
  More Information
         
    Double eccentric flanged butterfly valve structure is compact, 90 ¡ã slewing switch easily, reliable sealing, worm gear drive soft sealing butterfly valve with long service life, is widely used in water plant, power plants, steel mills, paper making, chemical industry, food and so on water supply and drainage system, used as adjustment and globe.    
         
  1 . This valve adopts the double eccentric structure, has more close tight seal function, seal performance is reliable.    
  2 . Stainless steel and nitrile oil resistant rubber shall be used as the auxiliary materials, with long service life.    
  3 . The rubber sealing ring can be located on the valve body or on the butterfly plate, which is suitable for different media for users to choose.    
  4 .

Butterfly plate adopts frame structure with high strength, large flow area and small flow resistance.

   
  5 .

The integral paint can effectively prevent rust and can be used in different media as long as the sealing seat sealing material is replaced.

   
  6 .

With two-way sealing function, the valve can be installed in any direction without the control of medium flow direction or space position.

   
  7 . Unique structure, flexible operation, labor saving, convenient.    
         
         
 
 
 
 
 
 
1 2 3 4 5 6 7 8
                   
 
 
 
 
  Shijiazhuang helv co.,ltd © All Rights Reserved