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7DZ45T-10
 FLANGE END NON-RISING STEM GATE VALVE

Norminal pressure

DN40-300

DN350-400

1.0MPa

0.4MPa

suitable medium

water,oil, steam

test pressure

shell

1.5MPa

0.6MPa

seat

1.1MPa

0.44MPa

test time

DN40-150

60s

DN> 150

120s

Technical Requirement:

  1. Design,manufacture conforms to DIN 3352.
  2. Face to face dimension conform to Series 14 of BS EN 558-1.
  3. Flange drilled conforms to BS EN1092.

DN

L

D

D1

D2

B

f

n-d

Do

40

140

150

110

84

18

3

4-19

155

50

150

165

125

102

18

3

4-19

155

65

170

185

145

122

18

3

4-19

155

80

180

200

160

138

20

3

8-19

155

100

190

220

180

158

20

3

8-19

190

125

200

250

210

188

22

3

8-19

245

150

210

285

240

212

22

3

8-23

245

200

230

340

295

266

26

3

8-23

305

250

250

395

350

319

28

3

12-23

305

300

270

445

400

370

28

4

12-23

305

350

290

505

460

430

26

4

16-23

305

400

310

565

515

482

28

4

16-28

305


19

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

18

washer

steel

DIN17100 RSt37-2

GB700-88 Q235

17

handwheel

cast iron

DIN1691 GG25

GB9439-88 HT250

16

gland nut

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

15

packing washer

Delrin

 

 

14

packing

NBR

 

 

13

bonnet

cast iron

DIN1691 GG25

GB9439-88 HT250

12

packing washer

Delrin

 

 

11

stem washer

Delrin

 

 

10

bonnet bush

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

9

stem

stainless steel

DIN17440 X20Cr13

GB1220-92 2Cr13

8

gasket

NBR

 

 

7

nut

steel

DIN17100 RSt37-2

GB700-88 Q235

6

bolt

steel

DIN17100 RSt37-2

GB700-88 Q235

5

stem nut

cast brass

 

GB1176-87 ZCuZn38Mn2Pb2

4

wedge seat ring

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

3

wedge

cast iron

DIN1691 GG25

GB9439-88 HT250

2

body seat ring

cast brass

DIN17656 G-CuZn37Pb

GB1176-87 ZCuZn40Pb2

1

body

cast iron

DIN1691 GG25

GB9439-88 HT250

NO.

Name of part

Material

Germany standard

Chinese standard


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