product name:ANSI B16.5 Blind Flange
clicks:68 times
 
ANSI B16.5 Blind Flange

 
Specific Data:

ANSI B16.5

Demesions of Class 150 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

1/2

90

9.6

60.345/8

3/4

100

11.2

69.945/8

1

110

12.7

79.445/8

1-1/4

115

14.3

88.945/8

1-1/2

125

15.9

98.445/8

2

150

17.5

120.743/4

2-1/2

180

20.7

139.743/4

3

190

22.3

152.443/4

3-1/2

215

22.3

177.883/4

4

230

22.3

190.583/4

5

255

22.3

215.987/8

6

280

23.9

241.387/8

8

345

27.0

298.587/8

10

405

28.6

362.0121

12

485

30.2

431.8121

14

535

33.4

476.3121-1/8

16

595

35.0

539.8161-1/8

18

635

38.1577.9161-1/4

20

700

41.3

635.0201-1/4

24

815

46.1

749.3201-3/8

 

Demesions of Class 300 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

1/2

95

12.7

66.745/8

3/4

115

14.3

82.643/4

1

125

15.9

88.943/4

1-1/4

135

17.5

98.443/4

1-1/2

155

19.1

114.347/8

2

165

20.7

127.083/4

2-1/2

190

23.9

149.287/8

3

210

27.0

168.387/8

3-1/2

230

28.6

184.287/8

4

255

30.2

200.087/8

5

280

33.4

235.087/8

6

320

35.0

269.9127/8

8

380

39.7

330.2121

10

445

46.1

387.4161-1/8

12

520

49.3

450.8161-1/4

14

585

52.4

514.4201-1/4

16

650

55.6

571.5201-3/8

18

710

58.8628.6241-3/8

20

775

62.0

685.8241-3/8

24

915

68.3

812.8241-5/8

 

Demesions of Class 400 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

2

165

25.4

127.083/4

2-1/2

190

28.6

149.287/8

3

210

31.8

168.387/8

3-1/2

230

35.0

184.281

4

255

35.0

200.081

5

280

38.1

235.081

6

320

41.3

269.9121

8

380

47.7

330.0121-1/8

10

445

54.0

387.4161-1/4

12

520

57.2

450.8161-3/8

14

585

60.4

514.4201-3/8

16

650

63.5

571.5201-1/2

18

710

66.7628.6241-1/2

20

775

69.9

685.8241-5/8

24

915

76.2

812.8241-7/8

 

Demesions of Class 600 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

1/2

95

14.3

66.745/8

3/4

115

15.9

82.643/4

1

125

17.5

88.943/4

1-1/4

135

20.7

98.443/4

1-1/2

155

22.3

114.347/8

2

165

25.4

127.083/4

2-1/2

190

28.6

149.287/8

3

210

31.8

168.387/8

3-1/2

230

35.0

184.281

4

275

38.1

215.981

5

330

44.5

266.781-1/8

6

355

47.7

292.1121-1/8

8

420

55.6

349.2121-1/4

10

510

63.5

431.8161-3/8

12

560

66.7

489.0201-3/8

14

605

69.9

527.0201-1/2

16

685

76.2

603.2201-5/8

18

745

82.6654.0201-3/4

20

815

88.9

723.9241-3/4

24

940

101.6

838.2242

 

Demesions of Class 900 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

1-1/2

180

31.8

123.841-1/8

2

215

38.1

165.181

2-1/2

245

41.3

190.581-1/8

3

240

38.1

190.58

1

4

290

44.5

235.081-1/4

5

350

50.8

279.481-3/8

6

380

55.6

317.5121-1/4

8

470

63.5

393.7121-1/2

10

545

69.9

469.9161-1/2

12

610

79.4

533.4201-1/2

14

640

85.8

558.8201-5/8

16

705

88.9

616.0201-3/4

18

785

101.6685.8202

20

855

108.6

749.3202-1/8

24

1040

139.7

901.7202-5/8

 

Demesions of Class 1500 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

1/2

120

22.3

82.647/8

3/4

130

25.4

88.947/8

1

150

28.6

101.641

1-1/4

160

28.6

111.141

1-1/2

180

31.8

123.841-1/8

2

215

38.1

165.181

2-1/2

245

41.3

190.581-1/8

3

265

47.7

203.281-1/4

4

310

54.0

241.381-3/8

5

395

82.6

292.181-5/8

6

396

82.6

317.5121-1/2

8

485

92.1

393.7121-3/4

10

585

108.0

482.6122

12

675

123.9

571.5162-1/8

14

750

133.4

635.0162-3/8

16

825

146.1

704.8162-5/8

18

915

162.0774.7162-7/8

20

985

177.8

831.8163-1/8

24

1170

203.2

990.6163-5/8

 

Demesions of Class 2500 Flanges

Nominal

Pipe Size

NPS

O

t

Dia. of

Bolt Circle

Num. of

Bolts

Dia. of

Bolt Holes

1/2

135

30.2

88.947/8

3/4

140

31.8

95.247/8

1

160

35.0

108.041

1-1/4

185

38.1

130.241-1/8

1-1/2

205

44.5

146.041-1/4

2

235

50.9

171.481-1/8

2-1/2

265

57.2

196.881-1/4

3

305

66.7

229.681-3/8

4

355

76.2

273.081-5/8

5

420

92.1

323.881-7/8

6

485

108.0

368.382-1/8

8

550

127.0

438.2122-1/8

10

675

165.1

539.8122-5/8

12

760

184.2

619.1122-7/8

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