Z45X (PN25) Flange-type concealed-shaft soft-seal 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

valve stem

Stainless steel 420

Stainless steel 304/316/431; Aluminum bronze

4

Valve cover sealing gasket

EPDM

acrylonitrile-butadiene rubber

5

Valve cover

Ductile cast iron QT450-10

6

O molding ring

acrylonitrile-butadiene rubber

EPDM

7

Cover lid

Ductile cast iron QT450-10

8

hand wheel

Ductile cast iron QT450-10

Stamped steel plate

9

bolt

Zinc-coated steel

Stainless steel 304/316

10

flat gasket

Zinc-coated steel

Stainless steel 304/316

11

scraper seal

EPDM

acrylonitrile-butadiene rubber

12

O molding ring

acrylonitrile-butadiene rubber

EPDM

13

Internal hex bolt

Zinc-coated steel

Stainless steel 304/316

14

Straddle

Brass HPb59-1

15

pad

Brass HPb59-1

16

O molding ring

acrylonitrile-butadiene rubber

EPDM

17

Internal hex bolt

Zinc-coated steel

Stainless steel 304/316

18

Sliding gate nut

Brass HPb59-1

Tin bronze ZQSn5-5-5

Nominal diameter DN

nominal pressure

size （mm）

Inch

mm

PN

L

H

D

D1

d

C

T

n

L

2"

50

25

178

254

165

125

99

19

3

4

19

2.5"

65

25

190

275

185

145

118

19

3

8

19

3"

80

25

203

301

200

160

132

19

3

8

19

4"

100

25

229

355

235

190

156

19

3

8

23

5"

125

25

254

393

270

220

184

19

3

8

28

6"

150

25

267

448

300

250

211

20

3

8

28

8"

200

25

292

548

360

310

274

22

3

12

28

10"

250

25

330

626

425

370

319

22

3

12

31

12"

300

25

356

722

485

430

370

24.5

4

16

31