Z41XS S-type flanged open-shank soft-sealed gate valve

order number

part

standard layout

Optional configuration

1

valve body

Ductile cast iron QT450-10

2

Elastic wedge-shaped gate

Ductile iron QT450-10 + EPDM rubber

3

Open valve stem

Stainless steel 420

Stainless steel 304/316/431; Aluminum bronze

4

Valve cover sealing gasket

EPDM

NBR

5

Valve cover

Ductile cast iron QT450-10

6

O molding ring

acrylonitrile-butadiene rubber

EPDM

7

O molding ring

acrylonitrile-butadiene rubber

EPDM

8

Normal pressure cover

Ductile cast iron QT450-10

9

support

Ductile cast iron QT450-10

10

Open-spoke nut with valve stem

Ductile cast iron QT450-10

Lead brass HPb59-1

11

copper backing

Lead brass HPb59-1

12

Main Handwheel

Ductile cast iron QT450-10

13

round nut

carbon steel

14

Grade 5 hexagonal nut

Zinc-coated steel

Stainless steel 304/316

15

Full螺栓, Grade 4.8

Zinc-coated steel

Stainless steel 304/316

16

flat gasket

Zinc-coated steel

Stainless steel 304/316

17

Grade 8.8 internal hex bolt

Zinc-coated steel

Stainless steel 304/316

Nominal diameter DN

nominal pressure

size （mm）

Inch

mm

PN

L

H1 (Off)

H2 (Open)

D

D1

d

C

T

n

L

2"

50

10/16

178

278

332

165

125

99

19

3

4

19

21/2"

65

10/16

190

300

366

185

145

118

19

3

4

19

3"

80

10/16

203

323

405

200

160

132

19

3

8

19

4"

100

10/16

229

391

491

220

180

156

19

3

8

19

5"

125

10/16

254

461

590

250

210

184

19

3

8

19

6"

150

10/16

267

530

680

285

240

211

19

3

8

23

8"

200

10

292

660

860

340

295

266

20

3

8

23

16

12

23

10"

250

10

330

934

1194

405

350

319

22

3

12

23

16

355

12

28

12"

300

10

356

1069

1399

160

400

370

24.5

4

12

23

16

410

12

28