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Electrical CF8 Wafer Triple Eccentric Butterfly Valve
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Electrical CF8 Wafer Triple Eccentric Butterfly Valve

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Electrical CF8 Wafer Triple Eccentric Butterfly Valve

Valve manufacturer description

Electric Butterfly Valve



Electrical CF8 Wafer Triple Eccentric Butterfly Valve


Body:CF8; Disc: CF8, Stem: 13Cr. Seat: 304+Graphite  

Nominal Pressure:


Nominal Diameter:


End Connection:



Triple Eccentricity


Worm gear 

Valve type:

Industrial Valve

Working Temp.:


Design Standard:

API 609

Test / Inspection:

API 598/ISO 5208

Face To Face:

API 609


    PSWe also can do according to customer's requirements.

details-dbv valve manufacturer






Up Blow-out Proof Design


DBV butterfly valve adopts the design of stepped shaft 

with  the  gland.  It  is effectively that prevent the stem 

blows out from the top.









Internal Snap Ring and Bottom Cover Design


DBV butterfly valve adopts the unique stem design. 

The bottom of the  stem is slotted.  Then, the snap 

ring  is embedded to prevent the stem blow out.The

bottom  cover  plays  a  same role. This design  suits

for the valve which is larger than four inches.




Why-dbv valve manufacturer

  Triple Eccentricity Design Features  

 TripleEccentricity The stem is offset on both the X (1)and Y (2) axis of the valve's

center line. This produces a cam一like motion. The third offset (3)

consists of an inclined conical  profile machined into  the  valve

sealing  surface. This allows rotary engagement and disengagement  

of   the   seat   and   seal   ring without interference.  All  rubbing

between  seat  and seal ring is thereby eliminated. Once the seat

and seal ring are  fully  engaged  torque  is applied in order to 

create a bi一directional, zero leakage,  metal-to一metal seal. For

this reason, triple offset valves are often defined as "torque" seated

rather than”position” seated as in the case of resilient or high performance products.


  Multi-layer disc sealing ring  




Multi-layer disc sealing ring adopts ss304 and graphite laminated, sealing

by the inside graphite, applied for low and middle pressure, as recycle water,

swage treatment, city building, etc.







Contact us-dbv valve manufacturer


 Butterfly Valve Contact  

Company Profile:

DBV VALVE  CO., LTD is manufacturer of valves.

                                                                                more detail>

Email: [email protected]  

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

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