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零件名稱Part name

閥桿、閥蓋Stem.Bonnet

閥桿、閥瓣Stem,Disc

填料Packing

J21/3w-16p

鉻鎳不銹鋼
Cr.NiStainlesss steel

鉻鎳不銹鋼
Cr.NiStainlesss steel

聚四氧乙稀、柔性石墨
PTEF,Soft graphite

J21/3w-160、J21/3w-40

優(yōu)質碳鋼
High grade carbon steel

鉻不銹鋼
Cr.Staininliss steel

零件名稱Part name

閥桿、閥蓋Stem.Bonnet

閥桿、閥瓣Stem,Disc

填料Packing

J21/3w-16p

鉻鎳不銹鋼
Cr.NiStainlesss steel

鉻鎳不銹鋼
Cr.NiStainlesss steel

聚四氧乙稀、柔性石墨
PTEF,Soft graphite

J21/3w-160、J21/3w-40

優(yōu)質碳鋼
High grade carbon steel

鉻不銹鋼
Cr.Staininliss steel

型號Type

公稱壓力(MPa)Nominal
pressure
Nominal

試驗壓力PS(MPs)
test Test pressure

工作壓力(MPa)Working
pressure

工作溫度(℃)Working
temperature

適用介質Applicable
mediun

殼體Shell

密封（液）Seal

密封（氣）Seal

J213w-16

16

2.4

1.76

0.6

16

p≤200℃

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

J21/3w-40p

4.0

6.0

4.4

0.6

4.0

J21/3w-160

16.0

24.0

17.6

0.6

16.0

C≤425℃

J21/3w-320p

32.0

48.0

35.2

0.6

32.0