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  Location — Butterfly valve — Blind Flange Valve
Name:

Blind Flange Valve

Category:

Butterfly valve

Remark:

Blind valve, also known as the glass valve, flap valve, fan valve, widely used in industrial and mining enterprises, municipal, environmental and other industries gas media management system, especially for harmful, toxic, flammable gas absolute cut off. Is also suitable for the blind end of the pipeline to shorten the maintenance time or to facilitate the connection of the new pipeline.

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Product Usage

    Blind plate valve, also known as the optical valve, flap valve, fan valve, widely used in industrial and mining enterprises, municipal, environmental and other industries gas media management system, especially for harmful, toxic, flammable gas absolute cut off. Is also suitable for the blind end of the pipeline to shorten the maintenance time or to facilitate the connection of the new pipeline.

  

Product Structure and Features

    Hydraulic fan blind valve mainly by the left valve body, the right valve body, screw pair, flap, seals, levers, hydraulic cylinders and other components, and by the base, the support column to form a rigid structure. The valve is provided with a clamping cylinder and a vane cylinder. The clamping cylinder drives the left and right valve bodies to be loosen and clamp by the lever pair and the screw helical pair, and the vane cylinder drives the vane to complete the switching action. Rubber ring embedded in the flap, with high temperature, good sealing performance, easy replacement, long service life and so on.

  

Product main parameters

Nominal pressure MPa 0.25 0.15 0.10 0.05
Seal test pressure MPa 0.275 0.165 0.11 0.055
Strength test pressure MPa 0.40 0.225 0.15 0.075
Applicable temperature ℃ Nitrile rubber Silicone rubber Viton <120 <250 <300

 

 

The main shape and connection size

DN

D

D1

b

n-φd

L

300

440

395

18

12-φ22

500

350

490

445

18

12-φ22

600

400

540

495

24

16-φ22

600

450

595

550

24

16-φ22

600

500

645

600

26

20-φ22

600

600

755

705

26

20-φ26

600

700

860

810

26

24-φ26

600

800

975

920

35

24-φ30

800

900

1075

1020

35

24-φ30

800

1000

1175

1120

35

28-φ30

800

1100

1275

1220

35

36-φ30

800

1200

1375

1320

35

32-φ30

800

1300

1475

1420

35

36-φ30

800

1400

1575

1520

35

36-φ30

800

1500

1675

1620

35

36-φ30

850

1600

1790

1730

35

40-φ30

850

1800

1990

1930

35

44-φ30

1100

 

product structure


Inquiry

If you have any enquiry about quotation or cooperation,please feel free to email us at info@cnlgvalve.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.