ANSI B16.34 Ball Valve, ASTM A351, A216, A352, A105

Testing program

Shell testing

Seal testing

Upper seal testing

Gas seal testing

Medium

Water

Gas

Unit

MPa

Lbf/in2

MPa

Lbf/in2

MPa

Lbf/in2

MPa

Lbf/in2

Class(Lb)

150

3.1

450

2.2

315

2.2

315

0.5-0.7

60-100

300

7.8

1125

5.6

815

5.6

815

400

10.3

1500

7.6

1100

7.6

1100

600

15.3

2225

11.2

1630

11.2

1630

900

23.1

3350

16.8

2440

16.8

2440

Part Name

Carbon Steel

Stainless Steel

WCB

LCB

CF8

CF8M

CF3

CF3M

Body

A216 WCB A105

A352 LF2

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

Ball

A105/Ep.Cr

A182 F304

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

Stem

A182 F6

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Seat

A182 F6

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Seat Ring

PTFE,POM or HF(Co-CrA)

Gasket

PTFE or Flexible Graphite and stainless Steel

O-Ring

VITON

VITON

VITON

VITON

VITON

VITON

Trunnion

A182 F6

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Spring

AISI 6160 17-17PH(inconel for NACE)Ni-Cr Alloy

Drain plug

A182 F6

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Bolt

A193 B7 A320 L7 A193 B8 A193 B8M

Stem beating

PTFE or Stainless Steel and Graphite

Stem seat

PTFE

PTFE

PTFE

PTFE

PTFE

PTFE

Stem spring

17-17PH(inconel for NACE)Ni-Cr Alloy

Small ball

A182 F304 A182 F316

Trunnion beating

PTFE or Stainless Steel and Graphite

Plug

A105

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Spring seat

A105

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Bonnet Bolt

A193 B7 A320 L7 A320 B8 A193 B8M

Bonnet Nut

A194 2H A194 4 A194 8

Pin

Carbon Steel or Alloy Steel

Gland

A182 F6

A182 F6

A182 F304

A182 F316

A182 F304L

A182 F316L

Gland flange

A216 WCB

A352 LCB

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

Stem packing

PTFE or Flexible Graphite

Bonnet

A216 WCB A105

A352 F6 A350 LF2

A351 CF8

A351 CF8M

A351 CF3

A351 CF3M

Model

Sizes

Dimensions(mm)

inch

DN

L

D

D1

D2

b

Z-Φd

H

W

Q41F/H/Y-150Lb 
Q341 F/H/Y-150Lb 
Q641 F/H/Y-150Lb

1/2″

15

108

89

60.5

35

12

4-Φ15

68

115

3/4″

20

117

98

70

43

12

4-Φ15

75

130

1″

25

127

108

79.5

51

12

4-Φ15

85

150

11/4″

32

140

117

89

64

13

4-Φ15

96

190

11/2″

40

165

127

98.5

73.2

15

4-Φ15

107

230

2″

50

178

152

120.7

92

16

4-Φ19

118

240

21/2″

65

190

177.8

139.7

104.7

18

4-Φ19

145

280

3″

80

203

190.5

152.4

127

19

4-Φ19

160

310

4″

100

229

229

190.5

157

24

8-Φ19

185

330

5″

125

356

254

216

185.7

26

8-Φ22

230

600

6″

150

394

279

241.3

216

26

8-Φ22

260

800

8″

200

457

343

298.5

270

29

8-Φ22

310

1000

10″

250

533

406

362

324

31

12-Φ25

350

1200

Model

Sizes

Dimensions(mm)

inch

DN

L

D

D1

D2

b

Z-Φd

H

W

Q41F/H/Y-300Lb 
Q341F/H/Y-300Lb 
Q641F/H/Y-300LbY

1/2″

15

140

95

66.5

35

15

4-Φ15

72

115

3/4″

20

152

117

82.5

43

16

4-Φ19

75

130

1″

25

165

124

89

51

18

4-Φ19

85

150

11/4″

32

178

133

98.5

64

19.5

4-Φ19

95

180

11/2″

40

190

156

114.3

73.2

21

4-Φ22

110

230

2″

50

216

165

127

92

23

8-Φ19

120

240

21/2″

65

241

190.5

149.4

104.7

26

8-Φ22

150

280

3″

80

283

210

168.5

127

29

8-Φ22

165

310

4″

100

305

254

200.2

157

32

8-Φ22

190

330

5″

125

381

279

235

185.7

35

8-Φ22

240

600

6″

150

403

318

270

216

37

12-Φ22

270

800

8″

200

502

381

330

270

42

12-Φ25

315

1000

10″

250

568

445

387.5

324

48

16-Φ29

380

1200