AOS Soft-sealing Ball Valves

Series

AOS

Body size

DN15~DN300

Plug form

Full pore though Ball

Characteristics

On-off

Trim materials

See Table 1for hardening treatment and operating pressure-temperature

Body ratings

ANSI150、300、400；

PN16、25、40、63

Body connections

Flanged ( RF、FM )

Face to Face dimension

See Table 3.1～3.5

Body Material

See Table 1for hardening treatment and operating pressure-temperature

Operating temperature limitation for each material

Standard type：-29℃～+150℃

Note：The allowable operating pressure-temperature limitation for each material

Packing

PTFE

Gasket

Seat ring

wound metal：Grafoil/316

Painting color

Blue RAL5017（Crylic acid pdyurethane）. But when material of body is stainless steel

Specification

Type

Dual piston rack and pinion type

Spring return

Double acting type

SCXXXSR

SCXXXDA

Purpose

On-off

Air supply G

≥500kPa

300，400，500kPa

Angle rotation

90deg

Air piping

G1/8"、G1/4"

Direct action

Air to valve shut

Valve open or shut by air or electric signal.

Reverse action

Air to valve open

Hysteresis

≤1.5%FS

≤1.5% of full stroke with positioner

Linearity

≤±2%FS

≤±2% of full stroke with positioner

Ambient Temp

-20~+80℃

Painting

Cylinder……Alodur （Special hard anodized）

End cap…powder polyester painted

Option

Poistioner, Air-set, Solenoid valve, Limit switch, Position transmitter, Lock valve、Speed controller, Rotation stopper, Manual handle,etc.

Rated Cv

—

Flow characteristics

on-off

Rangeability

—

Seat leakage

API598

In accordance with the requirements of API598

GB/T13927

 In accordance with the requirements of GB/T13927

Special testing for Body

Material certificate, Liquid penetrant testing, Radiographic testing, Flow characteristic testing, Low temperature testing, Steam testing

Special Cleaning for Body

Oxygen clean，Oil-free，Water-free

Special specification for Body Actuator

Sand and dust proof,Salty environment proof, Cold area proof， Tropical area proof, Copper-free alloy, Special piping and fitting,

Vacuum service proof, SUS bolt and nut for exposed parts, Non-standard painting, special material.

body material

WCB

CF8

CF8M

Plug material

304

304

306

Plug treatment

HCr

—

—

Seat treatment

PTFE/8000PHB

PTFE/8000PHB

PTFE/8000PHB

Seat treatment

—

—

—

Guide material

compound material

compound material

compound material

Guide treatment

—

—

—

Gasker

PTFE/8000PHB

PTFE/8000PHB

PTFE/8000PHB

Seat Leakage

API598

There shall be no leakage for the minimum specified test duration.

GB/T13927

There shall be no visible leakage per minimum specified test duration.

Operating temperature ℃

See Fig1 Pressure-temperature diagram of body

Body ratings：PN10/16

DN

d

L

D

D1

R

f

T

N

ØM

1/2"

15

130

95

65

45

2

16

4

14

3/4"

20

130

105

75

55

2

18

4

14

1"

25

140

115

85

65

2

18

4

14

1-1/4"

32

165

140

100

78

2

18

4

18

1-1/2"

38

165

150

110

85

2

18

4

18

2"

49

203

165

125

100

2

18

4

18

2-1/2"

65

222

185

145

120

2

18

8

18

3"

78

241

200

160

135

2

20

8

18

4"

98

305

220

180

155

2

20

8

18

5"

125

356

250

210

185

2

22

8

18

6"

150

394

285

240

210

2

22

8

22

8"

200

457

340

295

265

2

24

12

22

Body ratings： PN25/40

DN

d

L

D

D1

R

f

T

N

ØM

1/2"

15

130

95

65

45

2

16

4

14

3/4"

20

130

105

75

55

2

18

4

14

1"

25

140

115

85

65

2

18

4

14

1-1/4"

32

165

140

100

78

2

18

4

18

1-1/2"

38

165

150

110

85

2

18

4

18

2"

49

203

165

125

100

2

18

4

18

2-1/2"

65

222

185

145

120

2

18

8

18

3"

78

241

200

160

135

2

20

8

18

4"

98

305

220

180

155

2

20

8

18

5"

125

356

250

210

185

2

22

8

18

6"

150

394

285

240

210

2

22

8

22

8"

200

457

PN25

PN40

PN25

PN40

PN25

PN40

2

PN25

PN40

12

PN25

PN40

360

375

310

320

278

282

30

34

26

30

Body ratings：Class 150LB

DN

d

L

D

D1

R

f

T

N

ØM

1/2"

15

108

90

60.3

34.9

2

9.6

4

16

3/4"

20

117

100

69.9

42.9

2

11.2

4

16

1"

25

127

110

79.4

50.8

2

12.7

4

16

1-1/4"

32

140

115

88.9

63.5

2

14.3

4

16

1-1/2"

38

165

125

98.4

73

2

15.9

4

16

2"

49

178

150

120.7

92.1

2

17.5

4

19

2-1/2"

65

190

180

139.7

104.8

2

20.7

4

19

3"

78

203

190

152.4

127

2

22.3

4

19

4"

98

229

230

190.5

157.2

2

22.3

8

22

5"

125

356

255

215.9

185.7

2

22.3

8

8

6"

150

394

280

241.3

215.9

2

23.9

8

8

8"

200

457

345

298.5

269.9

2

27

8

8

Body ratings：Class 300LB

DN

d

L

D

D1

R

f

T

N

ØM

1/2"

15

140

95

66.7

34.9

2

12.7

4

16

3/4"

20

152

115

82.6

42.9

2

14.3

4

19

1"

25

165

125

88.9

50.8

2

15.9

4

19

1-1/4"

32

178

135

98.4

63.5

2

17.5

4

19

1-1/2"

38

190

155

114.3

73

2

19.1

8

22

2"

49

216

165

127

92.1

2

20.7

8

19

2-1/2"

65

241

190

149.2

104.8

2

23.9

8

22

3"

78

282

210

168.3

127

2

27

4

22

4"

98

305

255

200

157.2

2

30.2

8

22

5"

125

381

280

235

185.7

2

33.4

8

22

6"

150

403

320

269

215.9

2

35

12

22

8"

200

502

380

330.2

269.9

2

39.7

12

26