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代  號Code No

A型

B型

S_F

S_P

4

3

R1/8"

NPT1/8"

M10×1

25.5

30

8.5

20.5

8

9.5

8

10

YZG4-8-R1/8"（NPT1/8"）-Φ4

5

3.5

R1/8"

NPT1/8"

M10×1

25.5

30

8.5

20.5

8

9.5

8

10

YZG4-8-R1/8"（NPT1/8"）-Φ5

6

4

R1/8"

NPT1/8"

M12×1.5

29.5

34.5

8.5

24

10

12

10

12

YZG4-8-R1/8"（NPT1/8"）-Φ6

8

6

R1/4"

NPT1/4"

M14×1.5

35.5

43

12.5

28.5

11

13.5

12

14

YZG4-8-R1/4"（NPT1/4"）-Φ8

10

8

R1/4"

NPT1/4"

M16×1.5

37.5

46.5

12.5

30.5

13

14.5

14

17

YZG4-8-R1/4"（NPT1/4"）-Φ10

12

10

R3/8"

NPT3/8"

M18×1.5

38

49.5

13

31.5

15

14.5

17

19

YZG4-8-R3/8"（NPT3/8"）-Φ12

14

10

R3/8"

NPT3/8"

M22×1.5

39.5

55

13

34

19

15

19

22

YZG4-8-R3/8"（NPT3/8"）-Φ14

16

14

R1/2"

NPT1/2"

M24×1.5

41.5

57.5

17

35.5

21

15.5

22

24

YZG4-8-R1/2"（NPT1/2"）-Φ16

18

15

R1/2"

NPT1/2"

M27×1.5

43

63

17

37.5

24

16

24

27

YZG4-8-R1/2"（NPT1/2"）-Φ18

20

17

R3/4"

NPT3/4"

M30×2

50

——

18

43

27

20

27

30

YZG4-8-R3/4"（NPT3/4"）-Φ20

22

19

R3/4"

NPT3/4"

M33×2

53

——

18

45.5

30

20

30

34

YZG4-8-R3/4"（NPT3/4"）-Φ22

25

22

R1"

NPT1"

M36×2

55

——

21.5

47

33

20

34

36

YZG4-8-R1"（NPT1"）-Φ25

28

24

R1"

NPT1"

M39×2

58.5

——

21.5

50

36

21.5

36

41

YZG4-8-R1"（NPT1"）-Φ28

32

27

R1 1/4"

NPT1 1/4"

M42×2

61

——

24

52.5

39

22.5

41

46

YZG4-8-R1 1/4"（NPT1 1/4"）-Φ32

34

30

R1 1/4"

NPT1 1/4"

M45×2

62.5

——

24

54

42

22.5

46

46

YZG4-8-R1 1/4"（NPT1 1/4"）-Φ34

^a優(yōu)先選用55°密封管螺紋