零件名稱Part name

閥桿、閥蓋Stem,Bonnet

閥桿、閥瓣Stem,Disc

填料Packing

J21W-16P

鉻鎳不銹鋼
Cr.Ni Stainless steel

鉻鎳不銹鋼
Cr.Ni Stainless steel

聚四氟乙稀、柔性石墨PTEF,Soft graphite

J21W-40、J21W-160

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

鉻不銹鋼
Cr. Stainless steel

型號(hào)
Type

公稱壓力（MPa）Nominal pressure

試驗(yàn)壓力PS（MPa）
Test pressure

工作壓力（MPa）Working pressuer

工作溫度（℃）Working temperature

適用介質(zhì)Applicable mediun

殼體Shell

密封（液）Seal

密封（氣）Seal

J21W-16

1.6

2.4

1.76

0.6

1.6

P≤200℃

液化石油氣水、油品等Petroleun gas Water,Oil etc.

J21W-40P

4.0

6.0

4.4

0.6

4.0

J21W-160

16.0

17.6

17.6

0.6

16.0

C≤425℃

J21W-320P

32.0

48.0

35.2

0.6

32.0

公稱直徑（mm）Nominal diameter

尺    寸Dimensions

重量（Kg）Weight

D0

D1

D2

L

H1

H2

M

6

70

14

6

135

96

106

20×1.5

0.8

10

80

18

10

156

115

125

24×1.5

1.1

15

100

22

15

180

122

132

30×2

2.0

20

110

28

18

185

156

166

36×2

3.0

25

140

33

22

185

169

180

42×2

3.2