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Worm Gear QT450NiCr Flange Triple Eccentric Butterfly Valve
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Worm Gear QT450NiCr Flange Triple Eccentric Butterfly Valve

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    Worm Gear QT450NiCr Flange Triple Eccentric Butterfly Valve, Industrial valve manufacturer

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Valve Description


  Body Material   WCB
  Nominal Pressure   PN10
  Nominal Diameter   DN800
  End Connection   Wafer
  Structure   Triple Eccentricity
  Test & Inspection   API 598/ISO 5208
  Face To Face   API 609

 Special Notes:We also can do special material according to customer's requirements


Valve Details



 Internal Snap Ring and Bottom Cover Design

DBV butterfly valve adopts the unique stem design. The  bottom  of the stem is slotted. The ring  is  embedded to prevent the stem blow out. Then, the snap bottom  cover  plays  a  same role. This design suits for the valve which is larger than four inches.


 Standard Bolts & Nuts

DBV ball valve adopts the standard bolts and nuts. It could extend the valve longer service life.


 Up Blow-out Proof Design

Disc fixed on the stem with two pins without Chink to prevent the disc shaken. DBV butterfly valve adopts such design of stepped shaft with  the gland. It is effectively that prevent the stem blows out from the top.


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Contact Us




Wenzhou Factory :

No.96 Fanhua East Road,OuBei,WenZhou,Zhejiang,China,325102


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