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Design Standards

GB/T12237

Length of structure

GB/T12221

connection flange

ANSI B16.5, JB/T79

Drive method

manual, Power-driven , Pneumatic

Testing and inspection

API598 JB/T9092

No.

Name

Materials

No.

Name

Materials

GB

ASTM

GB

ASTM

1

Jacket

25

A105

5

Body

25+HCr

A105+HCr

2

Body

WCB

A216-WCB

6

valve handle

1Cr13

A247-410

3

valve seat

25

A105

7

packing

Flexible Graphite

4

seal ring

Nylon , PPLNylon PTFE, RTFE

8

packing cap

WCB

A216-WCB

DN(mm)

15

20

25

40

50

80

100

150

200

NPS(in)

1/2

3/4

1

1 1/2

2

3

4

6

8

Flange Specifications

15/40

20/40

25/50

40/65

50/80

80/150

100/200

150/250

200/350

E

110

117

127

165

178

229

254

292

330

G

58.5

58.5

63.5

62.5

65

82

83

95

100

147

147

156

181

218

275

300

403

492

manual

H

101

101

106

125

135

193

265

355

410

L1

130

160

160

230

230

400

700

1100

1500

Power-driven

H1

-

-

-

-

-

643

715

848

903

Power-driven device

-

-

-

-

-

Q60-1

Q60-1

Q120-1

Q120-1

Pneumatic

H2

285

285

305

330

345

440

470

710

820

Pneumatic device

AG06

AG06

AG09

AG09

AG13

AG13

AWl3

AW17

AWl7