Worm Gear WCB Flange Triple Eccentric Butterfly Valve - Flanged Butterfly Valves

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Worm Gear WCB Flange Triple Eccentric Butterfly Valve
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Worm Gear WCB Flange Triple Eccentric Butterfly Valve

  • Product description:

    Worm Gear WCB Flange Triple Eccentric Butterfly Valve with the best flange, our DBV are very professional in industrial valve

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Worm gear WCB Butterfly Valve 

Valve manufacturer description

triple eccentric butterfly valve

Name:

Worm Gear WCB butterfly valve

Material:

Body:A216 WCB, Seat:316 Stem:316

Nominal Pressure:

Class 150~2500

Nominal Diameter:

2"~24"

End Connection:

RF,FF,M,F,TG,RG

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




Standard Bolts & Nuts 

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

valve longer service life.





waferflangetypebutterflyvalve




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.


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  

 Butterfly Valve Factory Overview

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 GROUP CO., LTD is manufacturer of valves.

more detail>

Email: info@dbvvalve.com  

Shanghai Factory : No.255 Shenjiabang Road, Baihe Town, Qingpu DistrictShanghai, China.


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