Cryogenic triple offset flanged butterfly valve - Flanged Butterfly Valves

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Cryogenic triple offset flanged butterfly valve
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Cryogenic triple offset flanged butterfly valve

  • Product description:

    Cryogenic butterfly valves, LC1 material. DBV Butterfly Valves have been widely applied in cryogenic service, including Liquid Nitrogen, which is becoming the best unc

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Cryogenic temperature LC1 Butterfly Valve 


Valve manufacturer description


FLANGE BUTTERFLY VALVE MANUFACTURER

Name:

Cryogenic butterfly valve

Material:

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

Nominal Pressure:

PN100

Nominal Diameter:

DN300

End Connection:

Flange

Structure:

Triple Eccentricity

Operation:

Worm gear 

Valve type:

Industrial Valve

Working Temp.:

-29~+200

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


tripleoffsetbutterflyvalve



Plat pin design


The advantage of such design as below:

1. Disc fixed on the stem with two pins without Chink to prevent the disc shaken.

2. Prevent the butterfly from jumping





tripleoffsetflangebutterflyvalve




Standard Bolts & Nuts  


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

valve longer service life.





flangetypebutterflyvalve



Flange Connection


The Rasied Face is the most common type used in process plant applications.

Different types of flange faces are used as the contact surfaces to seat thesealing 

gasket material Including:FF-flat face, RF-raised face, RJ-ring joint and so on.





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  

 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.







  Product Comparison  


  Renewable Seal Ring Design  

 Triple eccentricity Butterfly Valve-1


   Pin Design  

Triple eccentricity Butterfly Valve-12 


  Factory Direct Sales  

DBV Butterfly Valve 

  Factory Overveiw  

FactoryOverview

Quality, transportation, after-sales

4g FQ

  Q1. Are you a factory or trading company?

  A: We are a factory specialized in manufacturing valves 20 years. We both have factory in Wenzhou and Shanghai.

  Q2. Can I have a sample order for valve?

  A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable. 

  Q3.Do you have any MOQ limit for valve order?

  A: Low MOQ, 1pc for sample checking is available

  Q4. How do you ship the goods?

  A: We usually ship by sea, by air, by courier, etc.

  Q5. How to check the process of the order?

  A: You can check your order on our website after we provide you account and password.

  Q6: Do you offer guarantee for the products?

  A: Yes, we offer 2 years warranty to our products and we could repair freely for lifelong time.

  Q7: Can you put our Logo on the valves?

  A:Yes, we can totally produce products according to your special request, even manufacture them base on your drawing.

  Q8: How can I check your factory situation while it's difficult for me to come to China?

  AWe have photos and videos on our website, youtube and facebook, It shows every step of our manufacturing.

dbv valve mnaufacturer Contact us


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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