XZ81X Grooved open stem 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

O molding ring

acrylonitrile-butadiene rubber

EPDM

4

Open valve stem

Stainless steel 420

Stainless steel 304/316/431; Aluminum bronze

5

Grade 8.8 internal hex bolt

Zinc-coated steel

Stainless steel 304/316

6

Valve cover

Ductile cast iron QT450-10

7

Pressing Die

Zinc-coated steel

Brass HPb59-1

8

Normal pressure cover

Ductile cast iron QT450-10

9

flat gasket

Zinc-coated steel

Stainless steel 304/316

10

Full螺栓, Grade 4.8

Zinc-coated steel

Stainless steel 304/316

11

Grade 5 hexagonal nut

Zinc-coated steel

Stainless steel 304/316

12

support

Ductile cast iron QT450-10

13

Open-spoke nut with valve stem

Brass Hpb59-1

14

copper backing

Brass HPb59-1

15

round nut

Zinc-coated steel

16

Main Handwheel

Ductile cast iron QT450-10

17

filling

acrylonitrile-butadiene rubber

EPDM

18

Valve cover sealing gasket

EPDM

NBR

Nominal diameter DN

size （mm）

Inch

mm

L

H1(CLOSE)

H2(OPEN)

OD

d

A

B

2"

50

178

348

400

60.30

57.15

15.88

7.92

2.5"

65

190

373

440

73.00

69.09

15.88

7.92

2.5"

65

190

373

440

76.1

72.26

15.88

7.92

3"

80

203

408

490

88.90

84.94

15.88

7.92

4"

100

229

471

573

114.30

110.08

15.88

9.52

5"

125

254

541

665

139.7

135.48

15.88

9.53

5"

125

254

541

665

141.3

137.03

15.88

9.53

6"

150

267

601

755

165.1

160.90

15.88

9.52

6"

150

267

601

755

168.30

160.90

15.88

9.52

8"

200

292

774

975

219.10

214.40

19.05

11.13

10"

250

330

970

1200

273.00

268.28

19.05

12.70

12"

300

356

1065

1370

323.90

318.29

19.05

12.70