flange butterfly valve

Valve standard :Comply with ISO 5752/BS 5155/BS EN 593

Pressure Temperature Rating
Work Pressure: 16 bar
Testing Pressure:Shell 24 bar
Seat: 17.6 bar                          
Working Temperature:-20°C  to 110°C EPDM Seat, -10°C to 80°C NBR Seat
Suitable media: Water,Oil & Gas

Part

Material

EN Spec.

Body

Ductile Iron

EN-JS 1050

DISC

Ductile Iron

EN-JS 1050


Bronze

EN 1982 CC491K


Stainless Steel 304

BS970 304 C15


Stainless Steel 316

BS970 316 C16

Shell

Stainless Steel 410

BS970 410 S 21


Stainless Steel 431

BS970 431 S 29

Seal Ring

EPDM/NBR


O-Ring

EPDM/NBR


Bushing

Bronze

EN 1982 CC491K



Dimensions:


DN

mm

50

65

80

100

125

150

200

250

300

350

400

450

500

600

700

750

Inch

2

3

4

5

6

8

10

12

14

16

18

20

24

28

30

A

80

80

95

114

114

139

175

203

250

250

310

332

358

423

479

508

B

110

134

131

150

170

180

210

245

328

328

376

407

433

508

560

610

C

30

30

30

30

30

30

34

34

40

40

52

52

64

70

95

95

L

108

112

114

127

140

140

152

165

190

190

216

222

229

267

292

305

 


 DN

mm

800

900

1000

1200

1300

1350

1400

1500

1600

1800

2000

2200

2400

2600

2800

3000

Inch

32

36

40

48

52

54

56

60

64

72

80

88

96

104

112

120

A

533

602

656

781

915

925

925

950

1041

1156

1350

1430

1610

1795

1900

2040

B

620

692

735

917

990

1000

1000

1050

1150

1200

1360

1500

1650

1780

1900

2070

C

95

130

130

150

150

200

200

200

200

200

200

300

300

300

300

350

L

318

330

410

470

530

530

530

570

600

670

760

636

850

900

950

1000