NO.

零件名稱

A21H-C/A21F材料

A21W-P/A21F-P材料

A21Y-R材料

1

管接頭

20

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

2

管接頭螺母

35

2Cr13

1Cr18Ni9Ti

3

閥座

35

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

4

閥體

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

5

閥瓣

2Cr13/2Cr13+PTFE

1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE

1Cr18Ni12Mo2Ti

6

彈簧座

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

7

彈簧

50CrVA

50CrVA包覆氟塑料

50CrVA包覆氟塑料

8

鎖緊螺母

Q235-A

ZG230-450

1Cr18Ni9Ti

9

彈簧導(dǎo)向墊

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

10

調(diào)節(jié)螺母

Q235-A

2Cr13

1Cr18Ni12Mo2Ti

密封面材料

"Y"型堆焊Co基硬質(zhì)合金,"H"型堆焊D507,"W"型為閥門本體

型號(hào)

公稱通徑

do

d

Do

M

d1

D1

L

L1

≈H

KA21-16CA21H-16CA21H-40 A21W-16P A21W-40PKA21-16P

15

12

15

20

M27×1.5

G1/2"

30

35

76

66

20

16

20

25

M33×1.5

G3/4"

35

40

87

68

25

18

25

31

M39×1.5

G1"

40

50

100

105

A21Y-64A21Y-64PA21Y-100A21Y-100P

15

10

15

25

M39×1.5

G1"

44

50

100

66

20

10

20

31

M39×1.5

G1"

44

50

100

68

25

12

25

31

M39×1.5

G1"

44

50

100

105

A21W-160/160P

15

8

20

/

M24×2

G1"

44

50

100

261

20

8

25

/

M33×2

G1"

44

50

100

261

25

8

28

/

M36×2

G1"

44

50

100

285