Worm Gear WCB Wafer Triple Offset Butterfly Valves - Wafer butterfly valve

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Worm Gear WCB Wafer Triple Offset Butterfly Valves
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Worm Gear WCB Wafer Triple Offset Butterfly Valves

  • Product description:

    Worm Gear WCB Wafer Triple Offset Butterfly Valves Material: Body: WCB; Disc: CF8, Stem: 13Cr. Seat: SS304+STL,Sealing ring: SS304+STL Nominal Pressure Class 150LB Nominal Diameter: DN750, 30'' End Connection:

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Worm gear WCB wafer butterfly valve 

Valve manufacturer description

wafer type triple offset butterfly valve

Name:

Worm gear WCB wafer butterfly valve

Material:

Body:WCB; Disc: CF8, Stem: 13Cr. Seat: SS304+ STL 

Nominal Pressure:

Class 150LB

Nominal Diameter:

DN750,30"

End Connection:

Flange

Structure:

Triple Eccentricity

Operation:

Worm gear 

Valve type:

Industrial Valve

Working Temp.:

-100~+750

Design Standard:

API 609

Test / Inspection:

API 598/ISO 5208

Face To Face:

API 609

 PSWe also can do according to customer's requirement



details-dbv valve manufacturer


wafertypetripleeccentricbutterflyvalve



Unique Plum Pin Design


Adopts  the  plum pin design,  which DBV butterfly valve

is  different  from  traditional  pin  design.  As we all know, 

traditional  pin is straight to the stem,  but  the plum pin is

tilted to the stem. From the aspect of application, the plum

pin could afford higher pressure and larger diameter.




wafertypebutterflyvalve-63319



Oval Turtle Disc Design


DBV butterfly valve adopts the unique oval turtle

advantages  such  as   high   strength,   good  flow truss  structure design of the disc. 

It has several characteristics and low flow-resistance coefficient. 






Why-dbv valve manufacturer                                                                   

  Triple Eccentricity Design Features  

 TripleEccentricityThe 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 highperformance products.



  Multi-layer disc sealing ring  

 Sealingring




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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