真空截止閥

產(chǎn)品類型
Product type

殼體強(qiáng)度試驗(yàn)/MPa
Sheli strangth test

上密封試驗(yàn)/MPa
Back seal test

密封試驗(yàn)/MPa
Seal test

適用介質(zhì)
Applicable
medium

適用溫度/℃
Applicable
temperature

NKJ61H-40

6.O

4.4

4.4

水、蒸汽、空氣
Water、Steam、Air

≤425

NKJ61H-64

96

7.O

7.O

NKJ61H-100

15.O

11.0

11.O

NKJ61Y-40l

6.O

4.4

4.4

水、蒸汽、空氣
Water、Steam、Air

≤550

NKJ61Y-64l

9.6

7.0

7.O

NKJ61Y-1OOI

15.O

11.O

11.O

零件名稱
Part name

閥體、閥蓋 Body Bonnet

閥桿
Valve Stem

閥瓣Disc

密封面
Sealing face

閥桿螺母
Yokenut

填料
Packing

緊固件
Fasteher

NKJ61H-C型

25或WCB

鉻不銹鋼
Crstain
mless
teel

鉻不銹鋼
Crstain
mless
steel

H：合金鋼
H：alloy steel

鋁青銅
AI
bronze

膨脹復(fù)合石墨
Expanding
compound
graphlte

優(yōu)質(zhì)碳鋼
High-grade
carbon
steel

NKJ61Y-l型

鉻鉬鋼
Cr.Mo steel

20CrlM01vA或38CrMoAlA

12CrlMo 1VA

Y：硬質(zhì)合金
Y:oarbide alloy

鉻鉬鋼
Cr.Mo steel

公稱通徑
DN/mm
Nominal
diameter

公稱壓力
PN/MPa
Nominal
pressure

主要外形尺寸和連接尺寸/mm
Main extemal and connectingd mensions

L

H

D

D0

D1

L1

α

W

1O

4.0

130

245

36

11

18.4

1O

-

120

15

130

245

36

16

22.5

1O

-

120

20

150

265

44

21

28.5

11

-

160

25

160

270

48

26

34.5

12

-

200

32

180

285

48

34

-

-

37o30'

200

40

200

320

55

40

-

-

37o30'

240

50

230

365

64

48

-

-

37o30'

320

65

290

41O

82

66

-

-

37o30'

300

80

31O

430

95

78

-

-

37o30'

300

100

350

470

117

1OO

-

-

37o30'

350

125

400

500

143

126

-

-

37o30'

350

150

480

533

167

150

-

-

37o30'

400