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Zhejiang Oviko Valve Co.,Ltd

 
 
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full welded ball valve 

  Category : Electronic and electrical->others->stainless steel ball valve

     
full welded ball valve
 
       

  Product Specification
 
  Model No:      ovk-101
  Country  CN
  Brand  OVIKO
  Materials  A105
  Size  10    
  Payment Term  TT

 

    Product Detail
  FULL WELDED BALL VALVE

1.Bow-out proof stem

For the purpose of preventing the stem from flying off resulting in abnormal rising of the inner pressure of valve,shoulder is fixed at the lower part of the stem.In addition,in order to prevent leakage resulting from burnout of packing set of the stem in a fire,thrust bearing is set at the contact position of the shoulder at lower part of the stem and valve body.Thus an inverse seal seat is formed which will prevent leakage and avoid accident.

2.Anti-fire safe design

When the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are burnt,the seat retainer and body will be sealed by expanded graphite.Thus act anti-fire safe purpose.

   


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