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Home > Products > Butterfly valve > American Standard Butterfly

Description Material Performance Product Size Specifications

Part name	Material Science
valve body	WCB、304、316、316SS、CF8M
Disc	WCB、304、316、316SS、CF8M
The stem	316、2Cr13、1Cr18Ni9Ti
Seal ring	316、Fluorine plastics
filler	Flexible graphite, fluorine plastic

The main structural feature of the 815 and 830 series of the folder type butterfly valve and flange three eccentric structure, and main structural features 815, 830L series butterfly valve is the valve body around with protruding ears and designed with screw single flange structure. 815, 830 Series Butterfly valves are widely used in petroleum, chemical and industrial environmental water treatment, high-rise buildings, water supply and drainage pipes. Its characteristics are: due to the use of the three eccentric structure, sealed reliable performance, ensure that when opening the butterfly plate does not contact the sealing seat, the sealing seat eliminates uneven load, prolongs the service life, and ensure reliable sealing performance, has the advantages of high temperature resistance, abrasion resistance, corrosion resistance etc..

American Standard Butterfly815seriesAPI815W：

NominalPath

Structure length (standard value)

Dimensions (reference values)

Connection dimensions (standard values)

Reference weight（kg）

Z-d

inch

millimeter

inch

Millimeter

inch

Millimeter

inch

Millimeter

inch

Millimeter

inch

Millimeter

inch

Millimeter

inch

Millimeter

inch

Millimeter

2〞

1.69

4.25

108

4.33

110

13.58

345

6.00

152

4.75

120.5

3.62

M18

4-19

3〞

1.94

4.50

114

4.92

125

14.96

380

8.50

190

6.00

152.5

5.00

127

M18

4-19

4〞

100

2.19

5.00

127

5.70

145

16.34

415

9.00

229

7.50

190.5

6.19

157

M18

8-19

5〞

125

2.50

5.50

140

6.50

165

17.91

455

10.00

254

8.50

216

7.32

186

M20

8-22

6〞

150

2.75

5.50

140

6.89

175

21.45

545

11.00

279

9.50

241.5

8.50

216

M20

8-22

8〞

200

2.81

2.90

150

8.26

210

24.21

645

13.50

343

11.75

298.5

10.62

270

M20

8-22

10〞

250

3.00

6.30

160

9.84

250

27.36

695

16.00

406

14.25

362

12.75

324

M24

12-25

142

12〞

300

3.38

7.00

178

11.24

285

32.78

830

19.00

483

17.00

432

15.00

381

M24

12-25

167

14〞

350

3.63

7.50

190

12.60

320

35.43

900

21.00

533

18.75

476

16.25

413

M27

12-29

106

218

16〞

400

4.00

102

8.50

216

13.98

355

38.58

980

23.50

597

21.25

540

18.50

470

M27

16-29

133

275

18〞

450

4.50

114

8.74

222

14.96

380

40.55

1030

25.00

635

22.75

578

21.00

533

M30

16-32

176

315

20〞

500

5.00

127

9.00

229

16.34

415

43.70

1110

27.50

699

25.00

635

23.00

584

M30

20-32

190

395

24〞

600

6.06

154

10.50

267

18.70

475

51.37

1305

32.00

813

29.50

749.5

27.25

692

M33

20-35

394

580

30〞

750

6.50

165

11.50

292

22.38

580

60.03

1525

38.75

985

36.00

914

33.75

857

M33

28-35

476

717

32〞

800

7.50

190

12.50

318

24.80

630

62.40

1585

41.75

1060

38.50

978

36.00

914

M39

28-41

618

880

36〞

900

8.00

203

13.00

330

26.77

680

69.48

1765

46.00

1168

42.75

1085

40.25

1022

M39

32-41

762

1042

Design standard：API609-83
Flange connection size：ANSI B16.5
Structure length：ANSI B16.10-1992
Pressure test：API598-82

Nominal diameter	DN(mm)	830W	830L
		2〞~36〞	2〞~36〞
Nominal pressure	PN(MPa)	150Lb	300Lb
Test pressure （MPa）	strength test	3.0	7.5
	Seal test	2.2	5.5
Applicable medium	Water, steam, oil, seawater, etc.
Applicable temperature	-29℃~425℃

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