Large size double flange central line butterfly valve

 

>>Basic information:

Class  150Lb  End  RF  Structure  Central Line  Actuator  Worm Gear  Related standards  Design  API 609  Test  API 598  End  ASME B16.47B  Top flange  ISO 5211  Medium: Water, Air, Oil, Gas, Steam etc


>>Introduction:

  1. Central line butterfly valve's structure is simple and useful, no more maintenance working after online. Select central line butterfly valve, working temperature is first important, the second is there is no hard solid inside medium.

  2. For large size central line butterfly valve, big liner can't be easy to replace in working place, it need many big size replace tools, so our solution is liner joined tight with body, and can't be replaced.

  3. Stem and disc connection is Pin connection, it can decrease the pressure between disc and liner at lowest position, the pin will not be lost after point welding at Pin end.

  4. Stem packing is not O-Ring type, the solution is as per working condition.

  5. Valve liner material: EPDM(≤120℃), NBR(≤80℃), Neoprene(≤80℃), FPM(≤150℃) etc.

  6. Before purchase order, please discuss with our engineer to make sure best solution.

 

>>Main parts list:

No.

Part name

Material

WCB

WCB

WCB

CF8

CF8M

1

Body

WCB

WCB

WCB

CF8

CF8M

2

Disc

WCB

CF8

CF8M

CF8

CF8M

3

Stem

420

304

316

304

316

4

Seat

EPDM

5

Packing

PTFE

6

Bolts

B7

B7

B7

B8

B8M

7

Nuts

2H

2H

2H

8

8M

All dimension is in our catalouge.
Catalouge download: http://www.cnvtrade.com/_d276407776.htm contact us for download password.


Wafer type high performance butterfly valve

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Double flange central line butterfly valve
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