Dec 25, 2025 Leave a message

ASME B16.11 SW Reducer Inserts Size

ASME B16.11 SW Reducer Inserts are critical pipe fittings used in industrial piping systems to connect pipes of different diameters. Their core function is to facilitate pipe diameter transitions while ensuring the sealing and structural integrity of the joint through socket welding. HT PIPE is a leading stockist and global exporter with over 15 years of expertise in international trade. We supply pipes, plates, round bars, and a comprehensive range of pipe fittings, flanges, and valves. Contact us now for free quotes and personalized product information.

 

Key Features of ASME B16.11 SW Reducer Inserts

High Connection Reliability

Using socket welding, the connection surface between the fitting and the pipe forms a circular weld, creating a robust sealed structure that effectively resists media erosion and pressure shocks, reducing the risk of leakage, and making them suitable for high-pressure and high-temperature applications.

 

Smooth Diameter Transition

The differential diameter design conforms to fluid mechanics principles, reducing resistance and pressure loss during fluid flow within the pipe, preventing localized turbulence, and ensuring efficient fluid transport within the system.

 

Compact Structure

Small size and light weight, requiring minimal installation space, making them easy to use in confined piping layouts and reducing the overall weight load of the piping system.

 

Strong Adaptability

Different materials can be selected for the inserts based on the media characteristics, pressure rating, and temperature conditions of the piping system, compatible with various pipe materials including carbon steel, stainless steel, and alloy steel.

ASME B16.11 SW Reducer Inserts

 ASME B16.11 SW Reducer Inserts Size

Nominal size

Type

Socket
diameter

Min. Depth
ofsocket

Shank
diameter

Laying Length

Bore

Wall thickness

Length

DN

NPS

3000

6000

B

Kmin

SD

A

D

C

SL

RL

3000

6000

3000

6000

3000

6000

3000

6000

3000

6000

10×8

3/8×1/4

1

1

14.3

9.5

17.1

19.1

21.3

9.2

6.4

3.8

4.6

14.2

15.7

-

-

15×10

1/2×3/8

1

1

17.7

9.5

21.3

20.6

23.1

12.5

9.1

4.0

5.0

15.7

15.7

-

-

×8

×1/4

1

1

14.3

9.5

20.6

20.6

9.2

6.4

3.8

4.6

15.7

15.7

-

-

20×15

3/4×1/2

1

1

21.9

9.5

26.7

22.4

25.4

15.8

11.8

4.7

6.0

17.5

19.1

27.0

-

×10

×3/8

2

1

17.7

9.5

15.7

22.4

12.5

9.1

4.0

5.0

-

19.1

27.0

32.0

×8

×1/4

2

2

14.3

9.5

17.5

22.4

9.2

6.4

3.8

4.6

-

-

-

-

25×20

1×3/4

1

1

27.3

12.5

33.4

23.9

28.5

20.9

15.5

4.9

7.0

19.1

20.6

-

-

×15

×1/2

2

1

21.9

9.5

15.7

28.5

15.8

11.8

4.7

6.0

-

20.6

28.5

-

×10

×3/8

2

2

17.7

9.5

17.5

22.4

12.5

9.1

4.0

5.0

-

-

28.5

33.3

×8

×1/4

2

2

14.3

9.5

19.1

23.9

9.2

6.4

3.8

4.6

-

-

28.5

33.3

32×25

11/4×1

1

1

34.0

12.5

42.2

25.4

30.2

26.6

20.7

5.7

7.9

20.6

22.4

-

-

×20

×3/4

2

2

27.3

12.5

17.5

20.6

20.9

15.5

4.9

7.0

-

-

31.8

34.8

×15

×1/2

2

2

21.9

9.5

19.1

22.4

15.8

11.8

4.7

6.0

-

-

31.8

34.8

×10

×3/8

2

2

17.7

9.5

20.6

23.9

12.5

9.1

4.0

5.0

-

-

31.8

34.8

×8

×1/4

2

2

14.3

9.5

22.4

25.4

9.2

6.4

3.8

4.6

-

-

31.8

34.8

40×32

11/2×11/4

1

1

42.8

12.5

48.3

28.5

35.1

35.1

29.5

6.1

7.9

22.4

25.4

-

-

×25

×1

2

1

34.0

12.5

17.5

29.2

26.6

20.7

5.7

7.9

-

25.4

33.3

-

×20

×3/4

2

2

27.3

12.5

19.1

25.4

20.9

15.5

4.9

7.0

-

-

33.3

39.6

×15

×1/2

2

2

22.0

9.5

20.6

26.9

15.8

11.8

4.7

6.0

-

-

33.3

39.6

×10

×3/8

2

2

17.7

9.5

22.4

28.5

12.5

9.1

4.0

5.0

-

-

33.3

39.6

50×40

2×11/2

1

1

48.9

12.5

60.3

31.8

38.9

40.9

34.0

6.4

8.9

25.4

28.7

-

-

×32

×11/4

2

2

42.8

12.5

20.6

23.9

35.1

29.5

6.1

7.9

-

-

38.1

41.2

×25

×1

2

2

34.0

12.5

22.4

25.4

26.6

20.7

5.7

7.9

-

-

38.1

41.2

×20

×3/4

2

2

27.3

12.5

23.9

26.9

20.9

15.5

4.9

7.0

-

-

38.1

41.2

×15

×1/2

2

2

21.9

9.5

25.4

28.5

15.8

11.8

4.7

6.0

-

-

38.1

41.2

65×50

21/2×2

1

1

61.4

16.0

73.0

46.0

42.7

52.5

42.9

6.9

10.9

38.1

31.8

-

-

×40

×11/2

2

2

48.9

12.5

35.1

35.1

40.9

34.0

6.4

8.9

-

-

53.9

53.9

×32

×11/4

2

2

42.8

12.5

36.6

36.6

35.1

29.5

6.1

7.9

-

-

53.9

53.9

×25

×1

2

2

34.0

12.5

38.1

38.1

26.6

20.7

5.7

7.9

-

-

53.9

53.9

×20

×3/4

2

2

27.3

12.5

39.6

38.1

20.9

15.5

4.9

7.0

-

-

53.9

53.9

80×65

3×21/2

1

1

74.1

16.0

88.9

38.1

57.2

62.7

54.0

8.8

11.9

31.8

44.5

-

-

×50

×2

2

2

61.4

16.0

25.4

31.8

52.5

42.9

6.9

10.9

-

-

47.5

53.9

×40

×11/2

2

2

48.9

12.5

28.5

31.8

40.9

34.0

6.4

8.9

-

-

47.5

53.9

×32

×11/4

2

2

42.8

12.5

30.2

31.8

35.1

29.5

6.1

7.9

-

-

47.5

53.9

×25

×1

2

2

34.0

12.5

31.8

31.8

26.6

20.7

5.7

7.9

-

-

47.5

53.9

100×80

4×3

2

1

90.0

16.0

114.3

33.3

54.0

77.9

66.6

9.5

13.8

-

-

60.5

-

×65

×21/2

2

2

74.1

16.0

38.1

54.0

62.7

54.0

8.8

12.5

-

-

60.5

-

×50

×2

2

2

61.4

16.0

38.1

54.0

52.5

42.9

6.9

11.0

-

-

60.5

-

×40

×11/2

2

2

48.9

12.5

41.2

57.0

40.9

34.0

6.4

8.9

-

-

60.5

-

×32

×11/4

2

2

42.8

12.5

42.9

57.0

35.1

29.5

6.1

7.9

-

-

60.5

-

Contact now

 

Send Inquiry

whatsapp

Phone

E-mail

Inquiry