Welcome to the official website of Tianjin Gulf Valve Co., Ltd.
中文 | EN
86-22-66531568
CN EN
DN550-DN1000 single flange butterfly valve

Share

Print

Download

Inquiry

Medium Capability:
Freshwater, Sea water, Air, steam, food, medicine and kinds of oil, acid, alkali, salt.
Feature:
Long service life with reliable seal and without frequent maintenance. Butterfly valve have flow characteristics three times better than globe valve, and about 75% of a same size gate valve。Butterfly valve can be used for on/off service and throttling，They are superior in Multi-function as compared to gate or globe valves. Butterfly valve can be widely used in chemical field due to trim options and choice of elastomeric liner .
Butterfly valve have feature of light in weight and small in size, for example, weight andsize of a 10” butterfly valve are 1/9 and 1/6 of a 10” gate valve. So butterfly valve is easy to install and save cost of piping system. Butterfly valve with resilient seat design can be bubble tight as compared to metal seated gate or globe valves. Butterfly valves offer 90-degree open to close. Butterfly valve is approximate 35-40% cost of a same size gate valve. Also low installed cost than gate valve. 
Properly installed butterfly valves are self cleaning and are less susceptible to failure due to trash material in pipe.
   
   

Item

Qty

Part Name

1

4

Hex Bolts

2

1

“O”Ring

3

1

Bottom Cover

4

1

AdjustingGesket 

5

1

Ball 

6

1

Body

7

1

Lower Bushing

8

1

Disc

9

1

Stem

10

2

Taper Pin

11

1

Seat

12

1

Mid Bushing

13

1

Nameplate

14

2

Upper Bushing

15

1

“O”Ring

16

1~2

Key

Structure and Parts List for Single Flange Butterfly Valve

 Nominal Pressure：PN10



Body

DISC

Stem

Bushing

Seat

Material

 

Material

 

WorkingTemperature

(℃)

C.I

DI

416SS

LubricativeBronze

NR

-20℃-+85℃

D.I

WCB

431SS

Macromolecule+PTFE

HYPALON

-18℃-+135℃

WCB

AL-Brz

316SS

316SS+PTFE

EPDM

-30℃-+110℃

AL-Brz

Stainless Steel

 

 

NEOPRENE

-7℃-+93℃

Stainless Steel

 

 

 

NBR

-12℃-+82℃

 

 

 

 

WRR

-10℃-+50℃

 

 

 

 

VITON

-23℃-+150℃

 

 

 

 

HRR

-20℃-+150℃

 

 

 

 

PTFE

+10℃-+150℃

Outline Dimensions and Weight for DN550-DN1000 Butterfly Valve 

Valve Size

A

B

C

N

D

E

F

G

H

Inch

mm

22*

550 *

972

537

50.62

20

33

66

680

745

276

24

600

1021

562

50.62

20

31

66

725

824

276

26*

650 *

1063

591

63.35

24

33

66

780

845

300

28

700

1144

624

63.35

24

31

66

840

895

300

32

800

1263

672

63.35

24

34

66

950

1015

300

34 *

850 *

1294

695

75.00

28

33

118

1000

1070

300

40

1000

1521

800

85.00

28

37

141

1160

1230

300

 

Valve Size

I

J

K

L

M

d

P

T

Weight

Kgs.

Inch

mm

22*

  550 *

165

529.9

542.5

151.4

4

22

156

30

175

24

600

165

571.6

592.5

151.4

4

22

156

30

188

26 *

  650 *

254

625.9

647.3

165.0

8

18

171

30

271

28

700

254

675.6

695.0

163.0

8

18

169

30

284

32

800

254

772.1

795.0

188.0

8

18

195

30

368

34 *

  850 *

254

796.2

814.7

203.0

8

18

211

47

685

40

1000

254

940.5

965.0

216.0

8

18

224

50

864


Note：Dimensions for mounting flange above mentioned conform BS4504 PN10, and top mounting conform to ISO5211. When required, standards from other countries or any special requirements are also available.（Mounting Flange of Valve Size with '*' conform JIS B2220 10K）.




  Contact us
  86-22-66531568