Four-bar Vent Butterfly Valve

The vent butterfly valve use four-bar design, which strengthens the pressure-bearing of the valve and is suitable for flue gas pipelines below the pressure of 0.6Mpa. It is mainly used in metallurgical and mining industries.
Manual
pneumatic
electric
Bevel gear
hydraulic
Manual
Pneumatic
Electric
Bevel gear
Hydraulic



Valve body material

Disc material

Stem material

Sealing  material

Size

Q235

CF8

CF8M

CF4M

310S

Q235

304

310

316

310S

420

304

316L

310S

NBR

EPDM

FKM

PTFE

PU

PEEK

DN400 to DN2000

Q235

CF8

CF8M

CF4M

310S

Q235

304

310

316

310S

420

304

316L

310S

Q235

Ceramic

304

STL

DN400 to DN2000

Working pressure: 0.1Mpa、0.25Mpa、0.6Mpa

Working pressure: N/A

Applicable conditions: Suitable for medium and low temperature flue gas pipelines in chemical and metallurgical industries.

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