Cryogenic butterfly valve - Flanged Butterfly Valves


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Cryogenic butterfly valve

  • Product description:

    Cryogenic butterfly valves,triple offset butterfly valve,LC1 material with Worm Gear Operator.DBV Butterfly Valves have been widely applied in cryogenic service, including Liquid Nitrogen, which is becoming the best unc

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Low temperature LC1 Butterfly Valve 

Valve manufacturer description

Butterfly Valve-1


Cryogenic butterfly valve


Body:LC1; Disc: LC1, Stem: SS316. Seat: Overlay STL 

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


Yoke Design

DBV butterfly valve adopts the design of yoke.  

It is more beautiful,and also convenient to assemble the actuator. 

Our yoke is made by one-pcs casting, with anti-broken hardness. 



Multi-layer Design

DBV butterfly valve adopts the design of  multi-layer disc sealing ring, 

sealing by the inside graphite, applied for low and middle pressure, 

as recycle water, swage treatment, city building, etc.


RTJ Sealing Surface for Flange Connection

DBV butterfly valve adopts the RTG flange design for high pressure, 

RTG groove sealing surface can put in more sealing rings to strength

the sealing hardness to promise zero leakage under high pressure. 

DBV butterfly valves have many kinds of sealing surface connections,

such as FF-flat face, RF-raised face, RJ- ring joint face, FM- female face, 

M-male face, MFM-male and female face, T-tongue face, G-groove face,

TG- tongue and groove face.

3g why

  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.


  Factory Overveiw  


dbv valve mnaufacturer Contact us

Butterfly Valve Contact  

Company Profile:

DBV VALVE CO., LTD is manufacturer of valves.

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Email: [email protected]  

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

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