产品类型
Product type

壳体强度试验/MPa
Sheli strangth test

上密封试验/MPa
Back seal test

密封试验/MPa
Seal test

适用介质
Applicable
medium

适用温度/℃
Applicable
temperature

NKJ61H-40

6.O

4.4

4.4

水、蒸汽、空气
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、空气
Water、Steam、Air

　 ≤550

NKJ61Y-64l

9.6

7.0

7.O

NKJ61Y-1OOI

15.O

11.O

11.O

零件名称
Part name

阀体、阀盖 Body Bonnet

阀杆
Valve Stem

阀瓣 Disc

密封面
Sealing face

阀杆螺母
Yokenut

填料
Packing

紧固件
Fasteher

NKJ61H-C型

25或WCB

铬不锈钢
Crstain
mless
teel

铬不锈钢
Crstain
mless
steel

H：合金钢
H：alloy steel

铝青铜
AI
bronze

膨胀复合石墨
Expanding
compound
graphlte

优质碳钢
High-grade
carbon
steel

NKJ61Y-l型

铬钼钢
Cr.Mo steel

20CrlM01vA 或38CrMoAlA

12CrlMo 1VA

Y：硬质合金
Y:oarbide alloy

铬钼钢
Cr.Mo steel

公称通径
DN/mm
Nominal
diameter

公称压力
PN/MPa
Nominal
pressure

主要外形尺寸和连接尺寸/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

-

-

37^o30

200

40

200

320

55

40

-

-

37^o30

240

50

230

365

64

48

-

-

37^o30

320

65

290

41O

82

66

-

-

37^o30

300

80

31O

430

95

78

-

-

37^o30

300

100

350

470

117

1OO

-

-

37^o30

350

125

400

500

143

126

-

-

37^o30

350

150

480

533

167

150

-

-

37^o30

400