ductile-and-cast-iron-pipe-fittings-2018-08-10

MECH FLOW SUPPLIES

Malleable Iron Pipe Fittings

Ductile Iron Grooved Fittings and Couplings

Valves

Cast Bronze Fittings

To Provide Safe & Reliable Products and Smart & Complete

To Provide Safe & Reliable Products and Smart & Complete

To Provide Safe & Reliable Products and Smart & Complete

To Provide Safe & Reliable Products and Smart & Complete

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Electrical Power Fittings

Malleable Iron Pipe Clamps

Ductile Iron Pipe Fittings Cast Iron Pipe Fittings

Pipe Nipples

To Provide Safe & Reliable Products and Smart & Complete

To Provide Safe & Reliable Products and Smart & Complete

To Provide Safe & Reliable Products and Smart & Complete

To Provide Safe & Reliable Products and Smart & Complete

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Solutions for Clients in Fluid Conveying Industry Across the Globe.

Solutions for Clients in Fluid Conveying Industry Across the Globe.

JINAN MEIDE CASTING CO., LTD. Address: Meide Science & Technology Park, Industrial Park Pingyin, Jinan, China 250400 Phone: (86)531 87856271 87879384 87885060 Fax: (86)531 87879387 Email: info@meide-casting.com Http: //www.meide-casting.com

Ductile Iron Pipe Fittings Cast Iron Pipe Fittings To Provide Safe & Reliable Products and Smart & Complete

UPDATED 08/2018

Solutions for Clients in Fluid Conveying Industry Across the Globe.

01

Company Profile

More than 50 years of Foundry Experience

Jinan Meide Casting Co. Ltd. was established in 1961.

We organize the whole produc tion process in

In the past decades, Jinan Meide has seized each

accordance with ISO 9001 and ISO 14001. It has also

opportunity to consolidate its strength, and has finally

the most complete certificates in the PVF industry,

developed into what it is today, a large-scale enterprise

including UL/FM/NSF of US, CRN/cUL of Canada,

group with advanced technology, equipment and

DVGW/TUV/CE/VdS of Germany, BSI/LPCB of UK, SII of

strong comprehensive strength, known for its complete

Israel, JIS of Japan, ABNT of Brazil, GOST-R of Russia,

range of products, large producing capacity, high

CNBOP of Poland, KS of South Korea, TSE of Turkey, PSB

quality and strong R&D strength. The company owns

of Singapore, SIRIM of Malaysia, SABS of South Africa

altogether one main factory, three branch factories,

etc. The products are well distributed in more than 130

two independent accounting steel pipe companys, and

countries and regions.

a science & technology park.

As an industry leader and key high-tech enterprise of The company is the well-known manufacturer in

the national torch plan, the company attaches great

the fitting industry with the most complete range of

importance to environmental protection, energy-

products, supplying malleable iron fittings, grooved

saving and emission-reduction. US-EEC recognizes

fittings, grooved couplings, valves, cast iron fittings,

MECH brand malleable iron pipe fittings as “the

ductile iron fittings, steel pipe nipples and couplings,

product to promote for the technology exchange of

stainless steel nipples, brass pipe nipples, cast bronze

environmental protection”. Protecting the environment

fittings, steel pipes, pipe hangers and supports, electric

is the duty of the company.

fittings, etc.

Customer satisfaction has always been the company’s Over 50 years, Jinan Meide has been a trusted name

top objective, and we constantly stick to the principle:

in piping solutions by offering high-quality products,

to provide customers with a value-added solution

service and support to the PVF industry continuously.

rather than simply delivering products.

We provide expertise and product solutions for a wide range of applications, plumbing, mechanical, industrial, air-conditioning and refrigeration, mining, oil, gas, fire protection, equipment and power system. Many of the company’s application technology are advanced in the world, with more than 20 patents registered each year, and the company has presided over and participated in the drafting of many important national standards of the industry.

2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1964 1965 1966 1967 1968 1969 1970 1963 1962 1961

"MECH" Malleable Iron Pipe Fittings

Steel Pipes

Extra-heavy Brass Pipe Nipples

Valves

Electric Power Fittings

Bronze Fittings

Ductile Iron Pipe Fittings

Ductile Iron Grooved Fittings and Couplings Ball Valves

Pipe Hangers and Brackets

Malleable Iron Pipe Clamps

Steel Pipe Nipples Red Brass Pipe Nipples Cast Iron Fittings Self Export, Developed US and European Market

Conduit Body

2014 2012 2007 2001 1999 1995 1990 1970

2013 2011 2003 2000 1998 1997 1993 1987 1961

Export, Main Market: Southeast Asia

Malleable Iron Pipe Fittings

Business Started from Grey Iron Pot

1960

03 02

Company History

05

04

State of the Art Equipment

Pattern Core Making Sand Mulling

High precision equipment is quality assurance.

Jinan Meide’s 8 factories are all equipped with the most advanced facilities and equipment in the industry. The main production facilities include Sinto automatic molding line, Tokyu automatic molding line, Chinese 416 automatic vertical molding line, automatic molding sand mixers, cupola furnaces, electric furnaces, water-cooled longevous cupola furnaces, CNC vertical machining centers, CNC machines, NC vertical lathes, radial drills, Jinan

Melting Tokyu AMF-111055

DISA

Sinto FCMX

Meide proprietary automatic machines, hot-dipped galvanization line, automatic box sealing line, stereoscopic warehouse and so on.

Pouring

End Grinding Line

Threading, Air Pressure Test, and Anti-rust Treatment

Warehouse

07

06

Jinan Meide is honored as the National enterprise technical center and is capable and qualified to conduct full series of tests and inspections including chemical checking, etc.

Reliable Quality Assurance

Inspection facilities include: spectrometer, carbon sulfur analyzer, metallurgical microscope, tensile strength testing equipment, pressure testing equipment, adhesive force testing equipment, CMM, hardness tester, etc.

From incoming inspection to finished product, quality is checked and monitored in the whole

CMM

Projector

Carbon Sulfur Analyzer

Tensile Strength Testing Equipment

The Length of The Test Instrument

process. Each step of the manufacturing process is carefully documented, regularly reviewed for revision control and updating standard. Quality procedures are constantly monitored and updated to assure that only the highest and most consistent quality products are supplied to our valued customers.

Metallurgical Microscope

Spectrometer

Sand Testing Instrument

Roughness Tester

09

08

Certificates

11

10

Ductile Iron Pipe Fittings

90

Materi al : A S TM A 536 D i mensi ons: A S ME B 16.3, B 16.14

Elbow, 90°

U ni on D i mensi ons: A S ME B 16.39 Threads: A S ME B 1.20.1, IS O 7-1

Size

S i ze Avai l abl e: 1/2" - 4"

Dim. (mm) Size Dim. (mm)

90

Elbow, 90°

90R

Reducing Elbow, 90°

96A

Union Elbow, F/F,conical joint

120

Elbow, 45°

130

90R

Size

Reducing Tee

Reducing Tee

130R

Reducing Tee

130R

Reducing Tee

Dim. (mm)

130R

Reducing Tee

90R 180

180R

Reducing Cross

220

Coupling

1220

Coupling, plain, with ribs

240

Dim. (mm)

Reducing Coupling

Size Dim. (mm)

241

Outside Hex Bushing

241N

Inside Hex Bushing

291 Plug

300 Cap

1

11/4

11/2

2

mm

15

20

25

32

40

50

A

28.5

33.3

38.1

44.5

49.3

57.2

Inch

21/2

3

mm

65

80

A

68.6

78.2

342

96A

Inch

3/4X1/2

1X1/2

1X3/4

11/4X1/2

11/4X3/4

mm

20X15

25X15

25X20

32X15

32X20

A

30.5

32

34.8

34

36.8

B

31

35.5

36.8

38.9

41.2

Inch

11/4X1

11/2X1/2

11/2X3/4

11/2X1

11/2X11/4

mm

32X25

40X15

40X20

40X25

40X32

A

40.1

35.8

38.6

41.9

46.2

B

42.4

42.2

44.5

45.7

47.8

Reducing Elbow, 90°

Size

Cross

3/4

Tee

Dim. (mm)

130R

1/2

Reducing Elbow, 90°

Size

130R

Inch

Inch

2X1/2

2X3/4

2X1

2X11/4

2X11/2

mm

50X15

50X20

50X25

50X32

50X40

A

37.9

40.6

43.9

48.3

51.3

B

47.8

50

51.3

53.3

54.9

Inch mm A B

Union Elbow, F/F,conical joint

Union, conical joint,brass to iron seat

Size Dim. (mm) Size Dim. (mm)

Inch

1/2

3/4

1

11/4

11/2

2

mm

15

20

25

32

40

50

A

57

59

72

82

88

99

B

27

29

34

43

47

56

Inch mm A B

13

12

120

130R

Elbow, 45°

Size Dim. (mm) Size Dim. (mm)

130

15

A

22.4

Inch

21/2

mm

65

A

3/4

1

20

11/4

25

24.9

11/2

32

28.5

40

32.8

36.3

2

Size

50

Dim. mm)

42.7

Size Dim. (mm)

49.5

130R

Dim. (mm) Size Dim. (mm)

Inch

1/2

3/4

1

11/4

11/2

2

mm

15

20

25

32

40

50

A

28.5

33.3

38.1

44.5

49.3

57.2

Inch

21/2

3

4

mm

65

80

100

A

68.6

78.2

Size Dim. (mm)

Dim. (mm)

96.3

130R Dim. (mm) Size Dim. (mm)

Inch

3/4X1/2

1X1/2

1X3/4

11/4X1/2

11/4X3/4

mm

20X15

25X15

25X20

32X15

32X20

A

30.5

32

34.8

34

36.8

B

31

35.5

36.8

38.9

41.2

Inch

11/4X1

11/2X1/2

11/2X3/4

11/2X1

11/2X11/4

mm

32X25

40X15

40X20

40X25

40X32

A

40.1

35.8

38.6

41.9

46.2

B

42.4

42.2

44.5

45.7

47.8

Size Dim. (mm) Size Dim. (mm)

Inch

2X1/2

2X3/4

2X1

2X11/4

2X11/2

mm

50X15

50X20

50X25

50X32

50X40

A

37.9

40.6

43.9

48.3

51.3

B

47.8

50

51.3

53.3

54.9

Inch

Dim. (mm) Size Dim. (mm)

B

1X1X11/4

1X1X11/2

11/4X11/4X11/2

20X20X25

25X25X32

25X25X40

32X32X40

A

36.8

42.4

45.7

47.8

B

34.8

40.1

41.9

46.2

Inch

11/4X11/4X2

11/2X11/2X2

2X2X21/2

mm

32X32X50

40X40X50

50X50X65

A

53.3

54.9

66

B

48.3

51.3

60.7

Inch

1X3/4X3/4

11/4X1X1

11/2X1X1

11/2X11/4X11/4

mm

25X20X20

32X25X25

40X25X25

40X32X32

A

34.8

40.1

41.9

46.2

B

36.8

42.4

45.7

47.8

C

33.3

38.1

38.1

44.5

Inch

2X11/2X11/2

mm

50X40X40

A

51.3

B

54.9

C

49.3

Inch

1X1/2X1

1X3/4X1

mm

25X15X25

25X20X25

11/4X1/2X11/4 11/4X1X11/4 11/2X1X11/2 32X15X32

32X25X32

A

38.1

38.1

44.5

44.5

49.3

B

38.1

38.1

44.5

44.5

49.3 45.7

C

35.5

36.8

38.9

42.4

Inch

11/2X11/4X11/2

2X1X2

2X11/4X2

2X11/2X2

mm

40X32X40

50X25X50

50X32X50

50X40X50

A

49.3

57.2

57.2

57.2

B

49.3

57.2

57.2

57.2

C

47.8

51.3

53.3

54.8

40X25X40

Reducing Tee Size Dim. (mm) Size

mm A

3/4X3/4X1

mm

Reducing Tee Size

130R

Reducing Tee

Inch

Reducing Tee

Size

Reducing Tee

Size

130R

mm

1/2

Tee

Size

130R

Inch

Reducing Tee

Dim. (mm)

Inch

11/4X1X1/2

11/4X1X3/4

11/4X1X11/2

11/2X1X1/2

mm

32X25X15

32X25X20

32X25X40

40X25X15

A

34

36.8

48

35.8

B

38.9

41.2

46

42.2

C

32

34.8

46

34

Inch

11/2X1X3/4

11/2X1X11/4

11/2X11/4X1/2

11/2X11/4X3/4

mm

40X25X20

40X25X32

40X32X15

40X32X20

A

38.6

46.2

35.8

38.6

B

44.5

47.8

42.2

44.5

C

34.8

42.4

34

36.3

15

14

130R

1220

Reducing Tee Size Dim. (mm) Size Dim. (mm)

180

11/2X11/4X2

2X1X11/2

2X11/4X1

40X32X25

40X32X50

50X25X40

50X32X25

A

41.9

54.9

51.3

44

B

45.7

51.3

54.9

51

C

40.1

53.3

45.7

40

Inch

2X11/2X1/2

2X11/2X3/4

2X11/2X1

2X11/2X11/4

mm

50X40X15

50X40X20

50X40X25

50X40X32

A

37.9

40.5

43.9

48.3

Size Dim. (mm)

B

47.8

50

51.3

53.3

C

35.8

38.5

41.9

46.2

Size Dim. (mm)

240

Dim. (mm) Size Dim. (mm)

Inch

3/4

1

11/4

11/2

2

mm

20

25

32

40

50

A

33.1

38.1

44.5

49.3

Dim. (mm)

57.2

Inch

Size

mm

Dim. (mm)

A

241

Dim. (mm) Size Dim. (mm)

Inch

11/4X1

11/2X1

11/2X11/4

2X1

mm

32X25

40X25

40X32

50X25

A

40.1

41.9

46.2

43.9

B

42.4

45.7

47.8

51.3

Dim. (mm)

Inch

Size

mm A

Dim. (mm)

B

241N Size Dim. (mm) Size Dim. (mm)

Inch

1/2

3/4

1

11/4

11/2

2

mm

15

20

25

32

40

50

A

34.0

38.6

42.4

49

54.6

64.3

Inch mm A

1/2

3/4

1

11/4

11/2

2

mm

15

20

25

32

40

50

A

35

40

46

50

56.5

65.5

Inch

21/2

mm

65

A

74.5

Inch

1X1/2

1X3/4

11/4X3/4

11/4X1

11/2X1

mm

25X15

25X20

32X20

32X22

40X25

A

42.9

42.9

52.3

52.3

58.7

Inch

11/2X11/4

2X1

2X11/4

2X11/2

mm

40X32

50X25

50X32

50X40

A

58.7

71.4

71.4

71.4

Inch

1X1/2

1X3/4

11/4X1

11/2X1

11/2X11/4

mm

25X15

25X20

32X25

40X25

40X32

A

25.5

25.5

27.4

29

29

Inch

2X11/4

2X11/2

mm

50X32

50X40

A

31

31

Outside Hex Bushing

Size

Coupling

Inch

Reducing Coupling

Size

Reducing Cross

Size

220

11/2X11/4X1

mm

Cross

Size

180R

Inch

Coupling, plain,with ribs

Inside Hex Bushing

Size Dim. (mm) Size Dim. (mm)

Inch

2X1

mm

50X25

A Min

32.8

Inch mm A Min

Cast Iron Pipe Fittings

16

291

Cast Iron Pipe Fittings

Plug

Size Dim. (mm) Size Dim. (mm)

300

Inch

1/2

3/4

1

11/4

11/2

mm

15

20

25

32

40

A Min

23.9

27.2

31.8

34.5

36.9

Inch

2

mm

50

A Min

39.7

Cap

90

Dim. (mm) Size Dim. (mm)

Inch

1/2

3/4

1

11/4

11/2

mm

15

20

25

32

40

A Min

22.1

24.6

29.5

32.5

33.8

Inch

2

21/2

mm

50

65

A Min

36.8

43.2

130R

Reducing Tee

342

Dim ensions: ASM E B16. 4 , B 1 6 . 1 4 Thr eads: ASM E B1. 20. 1 Size Available: 1/ 2" - 4"

Elbow, 90°

Size

M at er ial: ASTM A126

90R

Reducing Elbow, 90°

130R

Reducing Tee

120

Elbow.45°

130R

Reducing Tee

Union, conical joint,brass to iron seat

Size Dim. (mm) Size Dim. (mm)

Inch

1

11/4

11/2

2

mm

25

32

40

50

A Min

52.5

57.5

61

70

Inch mm A Min

240

Reducing Coupling

291

Cored Plug

291S

Solid Plug

130 Tee

130R

Reducing Tee

130R

Reducing Tee

180

Cross

17

19

18

90

130R

Elbow, 90°

Size Dim. (mm) Size Dim. (mm)

90R

15

A

28.5

Inch

21/2

mm A

3/4

1

20

11/4

25

33.5

11/2

32

38

40

44.5

49.5

2

Size

50 Dim. (mm)

57

Size

65 Dim. (mm)

68.5

130R Dim. (mm) Size Dim. (mm)

Inch

1X1/2

1X3/4

mm

25X15

25X20

11/4X1/2 11/4X3/4 32X15

32X20

11/4X1 32X25

40X15

40X20

A

32

35

34

37

40

36

38.5

B

34.5

37

39

41

42.5

42

44.5

Inch

11/2X1 11/2X11/4

2X3/4

2X1

2X11/4

2X11/2

mm

40X25

40X32

50X20

50X25

50X32

50X40

A

42

46

40.5

44

48.5

51.5

B

45.5

48

50

51.5

53.5

55

Size Dim. (mm) Size Dim. (mm)

130R

Dim. (mm) Size Dim. (mm)

Inch mm A

1 25 28.5

11/4 32 33

11/2 40 36.5

Size

50

Dim. (mm)

42.5

Inch

Size

mm Dim. (mm)

A

130R Size Dim. (mm) Size Dim. (mm)

Inch mm A Inch

3/4 20 33.5

1 25 38

11/4 32 44.5

11/2 40 49.5

2 50 57

21/2 65 68.5

1X3/4

11/4X1

11/4X3/4

11/4X1

25X15

25X20

32X15

32X20

32X25

11/2X1/2 11/2X3/4 40X15

A

32

35

34

37

40

36

38.5

B

35.5

37

39

41

42.5

42

44.5

40X20

Inch

11/2X1 11/2X11/4

2X1/2

2X3/4

2X1

2X11/4

2X11/2

mm

40X25

40X32

50X15

50X20

50X25

50X32

50X40

A

42

46

38

40.5

44

48.5

51.5

B

45.5

48

48

50

51.5

53.5

55

Inch

1X1/2X1

1X3/4X1

11/4X1/2X11/4

11/4X1X11/4

mm

25X15X25

25X20X25

32X15X32

32X25X32

A

38

38

44.5

44.5

B

34.5

37

39

42.5

Inch

11/2X1X11/2

11/2X11/4X11/2

2X1X2

2X11/4X2

mm

40X25X40

40X32X40

50X25X50

50X32X50

A

49.5

49.5

57

57

B

45.5

47.5

51.5

53.5

Inch

11/2X1/2X11/2

11/2X3/4X11/2

mm

40X15X40

40X20X40

A

49.5

49.5

B

42

44.5

Inch

2X11/2X2

mm

50X40X50

A

57

B

55

Reducing Tee

Size Dim. (mm) Size

mm A

1X1/2

mm

Reducing Tee

2

Tee

Inch

Reducing Tee

11/2X1/2 11/2X3/4

Elbow.45°

Size

130

mm

1/2

Reducing Elbow, 90°

Size

120

Inch

Reducing Tee

Dim. (mm)

Inch

1X1X11/4

1X1X11/2

11/4X11/4X11/2

11/4X11/4X2

mm

25X25X32

25X25X40

32X32X40

32X32X50

A

42.5

45.5

48

53.5

B

40

42

46

48.5

Inch

11/2X11/2X2

2X2X21/2

mm

40X40X50

50X50X65

A

55

66

B

51.5

60.5

21

20

130R

240

Reducing Tee Size Dim. (mm) Size Dim. (mm)

130R

11/4X1X1/2

11/4X1X3/4

11/4X1X11/2

11/2X1X3/4

mm

32X25X15

32X25X20

32X25X40

40X25X20

A

34

37

46.5

38.5

B

32

35

44.5

35

C

39

41

44.5

44.5

Inch

11/2X1X11/4

11/2X11/4X1/2

11/2X11/4X3/4

11/2X11/4X1

mm

40X25X32

40X32X15

40X32X20

40X32X25

A

46

36

38.5

42

B

42.5

34

37

40

C

47.5

42

44.5

45.5

Dim. (mm) Size Dim. (mm)

Inch

11/2X11/4X2

2X11/2X1/2

2X11/2X3/4

2X11/2X1

mm

40X32X50

50X40X15

50X40X20

50X40X25 44

A

55

38

40.5

B

53.5

36

38.5

42

C

51.5

48

50

51.5

Inch

2X11/2X11/4

mm

50X40X32

Dim. (mm) Size Dim. (mm)

A

48.5

B

46

C

53.5

Inch

11/4X1X1

11/2X1X1

11/2X11/4X11/4

Dim. (mm)

Dim. (mm) Size Dim. (mm)

1X3/4

2X1

mm

25X15

25X20

50X25

A

43

43

59

Inch mm A

Inch

3/4

1

11/4

11/2

2

mm

20

25

32

40

50

A

16.5

19.5

20.5

21.6

22.6

B

11.5

13

14.5

16

17.5

C

15.6

20.4

23

28

32.8

Inch

1/2

mm

15

A

14.5

B

10

C

14

Solid Plug

2X11/2X11/2 Size

mm

32X25X25

40X25X25

40X32X32

50X40X40

A

40

42

46

51.5

B

38

38

44.5

49.5

C

42.5

45.5

48

55

Cross

Size

1X1/2

Size

291S

Reducing Tee

Inch

Cored Plug

Dim. (mm)

Size

180

Size

291

Reducing Tee Size

130R

Inch

Reducing Coupling

Inch

1

mm

25

A

37

Inch mm A

Dim. (mm)

23

22

BasicBasic Dimension, for American Standard Pipe Threads dimensionsfor forAmerican American Standard Malleable Threaded Fittings Basic dimensions Standard Malleable IronIron Threaded Fittings 美标玛钢管件螺纹基本尺寸 美标玛钢管件螺纹基本尺寸

Taper thread

Taper thread

H= 0.866025 p=0.866025/n

L2=(0.8D+6.8) 1/n=(0.80D+6.8)p

Taper thread

Taper thread

H= 0.866025 p=0.866025/n h= 0.800 p=0.800/n

L2=(0.8D+6.8) 1/n=(0.80D+6.8)p

h= 0.800 p=0.800/n Basic Dimensions Nominal Pipe Size(inchs)

O.D.of Pipe (D)

NPS

Threads /in O.D. of Pipe (N) (D)

O.D. of Pipe (D)

NPS

1/8

0.405

1/4

0.540

3/8

公称管子尺寸 管子外径 0.675 18.0

1/2

0.840

3/4

1.050

1

1.315

11/4

1.660

1

11/2

1.900

2

2.375

21/2

31/2

4.000

5 6

Threads//in.

(N)

Pitch Dia. at PitchofofExternal Beginning of Thread (P) Pitch (E Dia. at Thread(E0) External O)

Pitch of Thread (P)

0.03704

每英寸牙数

每英寸牙数

0.05556 3

0.96768 0.612 0.363

0.3390 0.6120.161

4.32 4.36

0.627 0.373

14 18 0.08696

0.071 0.055 0.477 1.21363 0.758

0.7580.227 0.4000

4.48 4.60 4.1

0.778 1.23863 0.491 0.533

0.08696 11.5

1.55713 1.213 0.086 0.071 0.758

0.4200 1.213

1/21

11.51.315

1 1/4 3/4

1.660 11.51.050

2

1 1/4 2

183

3

2 1/2 4

0.086

1.900

1.315

11.5

0.086

11.5

0.08696 11.5

8.01.900

2.875

0.12500 11.5

2.375

8 0.12500

1.660

0.9670.612

0.758

1.796

4.83

1.213

0.125

2.719

0.125

3.34

1.796

0.68201.796

2.269

3.837 0.7660

1.557

2.71953 0.086 0.089

0.125 3.34062 3.837

0.125

8

0.125

0.12500 88

2.719

4.334

3.83750 5.393.34

0.125 0.125

1.557

5.46

3.34

6.13

2.719

4.334

0.8210 5.39 3.34

4.75 4.83 4.6

5.01 5.01

2.719

2.269

7

4.75

4.75 4.32 4.6 4.83 4.48 4.83

0.42000.967

8

0.086

4.1

1.557

8

8

4.500

1.213

0.227 6

0.4360 2.269

11.5

2.875

1.796

0.086

Inch 英寸

0.089 2.26902 2.269

11.5

8.04.000

0.967 0.612

0.071 0.967 1.79609 1.557

14 0.08696

8.03.500 5.563

35

11.5

11.52.375

0.4775

0.071 0.055

14

3.500

3 1/2

4 0.055

14 18

thread Thread

h

7.12

(E2)

Height of thread h

4.10

0.037 0.055

0.840 11.50.540

1

长度

Thread 牙数 0.373 4.36 4.48

1/2 1/4

1 1/2

0.37360 Handtight 4.36 Engagement 手旋合

Length(L1) 0.2278

0.161 0.3200

0.07143 27 18

0.840

Inch

Effective Thread. External

有效螺纹，外螺纹 0.2639

Depth of Thread h 0.029

14.0 0.405 0.675 1.050 0.675

4

0.044

1/8 3/8 3/4 3/8

手旋合

Lengthin（L2) Diam.

Dimensions inchesHeight尺寸：英寸 of

Effective Thread. External

0.38000

外螺纹起始端

0.47739的中径

0.037 0.75843 0.363

2 0.540

InchHandtight Engagement Thread

Diam³.

(E1)

) 长度 Dia.(E2) 螺纹高度 有效螺纹，外螺纹 0.49163 Length(L20.4018 7.23 0.50250 Dia.(E1) 直径 外螺纹起始端Inch 英寸 Thread 牙数 Inch 英寸 Thread 牙数 直径 螺距 ) 长度 Length(L Dia.(E2) 螺纹高度 长度 0.61201 的中径 0.2400 Length(L1) 4.32 0.62701 0.4078 2 7.34 0.63750 Dia.(E 4 5 6 7 8 10 22 11 1) 直径 9

螺距

0.05556

27 0.07143

11/4

Length²（L1)

Beginning of 0.36351External (EO)0.1615

14.00.405

1/8

2 1/2

3.500

管子外径

18.0

Thread

Threads//in.

(P) (N)

2

2.875 1 1/2

3

4

27.0

公称管子尺寸

of American National Standard Taper Pipe Thread, NPT

Basic Dimensions of美国国家标准椎管螺纹基本尺寸 American National Standard Taper Pipe Thread, NPT Handtight Engagement Effective Thread.Extenal Pitch Dia. Dimensions in inches 尺寸：英寸 Pitch of 美国国家标准椎管螺纹基本尺寸 at Beginning

4.83

5.46 4.83 5.01

0.491

1.583 1.822 2.296 2.762 3.388 3.888

6.75

4.387

5.46

8

0.401

9

0.5337

7.23

0.98887 0.407 0.263 0.5457 7.34

0.988 0.627 0.545 1.238 1.58338 0.778 0.682

6.57 6.13

6.57 7.5 6.13

Inch 英寸7.12 Thread 牙数 0.38

0.77843 0.263

10 0.502 7.120.637

0.029 7.47直径

0.057 7.230.791 7.850.502

0.7068 0.533 7.85

7.471.256

7.341.001

22

11 0.044

7.640.38 0.004

7.47 0.401 0.6826

0.407 7.64

0.79179

0.057 0.637

8.13

0.069 0.791

0.029

1.00179

0.057

0.044 1.25630

0.069

0.004

1.60130

0.057

0.988 0.706 1.82234

8.13 0.545 0.7235

0.069 7.641.601 8.321.001

0.057 1.84130

1.238

0.682

7.85

1.256

0.069

0.069

0.723

2.29627 0.756 1.583

2.76216 1.822 2.296

3.38850 2.762

1.137 1.2 1.25

1.3 3.88881 1.406 5.449 3.388

8.32

0.7565 8.7

0.706

1.841

0.069

2.316 8.70 0.069

0.044 0.057

2.31630

0.069 0.069 0.069

8.13

1.601

131375 0.723

8.32

9.101.841

2.79062 0.069

0.100

0.756

8.7

2.316

0.069

9.1

2.79

0.1

0.100

9.1

9.6

10 1.2000

1.137

10.4

1.21.2500 11.25

2.79

3.415

0.1 0.1

3.915 9.60 4.415

0.1 0.1

9.65.47810.003.415 0.1

0.125 3.837 6.57 3.888 1.512 1.25 12.21 10 6.54 6 6.625 88 0.125 6.4463.837 7.66 6.75 3.505 4.38712 0.1 4.500 3 1/2 8.04.000 0.12500 4.33438 6.446 0.8440 1.3000 10.403.915 4.500 8 0.125 4.334 4.415 Note4 : This information is selected from the American Pipe Threads,4.334 ANSI/ASME6.75 B1.20.1-19834.387 Table 2：Basic1.3 Dimensions10.4 of American 5.563 5 8.05.563 0.12500 5.39073 0.9370 7.50 5.44929 1.4063 11.25 8 0.125 5.39 5.39 7.5 5.449 1.406 11.25 5.478 National Standard Taper Pipe Thread, NPT. 6 8 0.125 7.66 3.505 1.512 12.21 6.625备注：以上信息选自美国管螺纹标准: 8.06.625 0.12500 6.44609 6.446 0.95806.446 7.66 6.50597 1.5125 12.106.54 ANSI/ASME B1.20.1-1983，表2：美国国家标准椎管螺纹基本尺寸

3.41562

3.91562 0.1

0.100

0.1

0.100

4.41562

0.1

5.47862 0.1

0.100

0.1 6.54062

0.100

Note : This information is selected from the American Pipe Threads, ANSI/ASME B1.20.1-1983 Table 2：Basic Dimensions of American

Nominal Pipe Size (inchs)

National Standard Taper Wrench Pipe Thread, NPT. Makeup Length Length,L1 Plane Overall8 7 for Internal Thread ANSI/ASME B1.20.1-1983，表2：美国国家标准椎管螺纹基本尺寸 Nominal Complete to 备注：以上信息选自美国管螺纹标准: L2 Plane Vanish Thread Length External Thread5 External Thread (V) Length(L3) External (L2-L1) Diam.

Thread (E3) Length.

Diam.

(L4) Inch Thread Inch Thread Inch Thread (L5) (E5)

Height of Thread(h)

Increase in Diam./ Thread (0.0625/n)

Basic6 Minor Diam.At Small End of Pipe(K0)

1/8

0.1024

2.76

0.1111

3

0.35656

0.1285

3.47

0.3924

0.1898

0.37537

0.02963

0.00231

0.3339

1/4

0.1740

3.13

0.1667

3

0.46697

0.1928

3.47

0.5946

0.2907

0.49556

0.04444

0.00347

0.4329

3/8

0.1678

3.02

0.1667

3

0.60160

0.1928

3.47

0.6006

0.2967

0.63056

0.04444

0.00347

0.5676

1/2

0.2137

2.99

0.2143

3

0.74504

0.2478

3.47

0.7815

0.3909

0.78286

0.05714

0.00446

0.7013

3/4

0.2067

2.89

0.2143

3

0.95429

0.2478

3.47

0.7935

0.4029

0.99286

0.05714

0.00446

0.9105

1

0.2828

3.25

0.2609

3

1.19733

0.3017

3.47

0.9845

0.5089

1.24543

0.06957

0.00543

1.1441

11/4

0.2868

3.30

0.2609

3

1.54083

0.3017

3.47

1.0085

0.5329

1.59043

0.06957

0.00543

1.4876

11/2

0.3035

3.49

0.2609

3

1.77978

0.3017

3.47

1.0252

0.5496

1.83043

0.06957

0.00543

1.7265

2

0.3205

3.69

0.2609

3

2.25272

0.3017

3.47

1.0582

0.5826

2.30543

0.06957

0.00543

2.1995

21/2

0.4555

3.64

0.2500

2

2.70391

0.4337

3.47

1.5712

0.8875

2.77500

0.10000

0.00781

2.6195

3

0.4340

3.47

0.2500

2

3.32500

0.4337

3.47

1.6337

0.9500

3.40000

0.10000

0.00781

3.2406

31/2

0.4290

3.43

0.2500

2

3.82188

0.4337

3.47

1.6837

1.0000

3.90000

0.10000

0.00781

3.7375

4

0.4560

3.65

0.2500

2

4.31875

0.4337

3.47

1.7337

1.0500

4.40000

0.10000

0.00781

4.2344

5

0.4693

3.75

0.2500

2

5.37511

0.4337

3.47

1.8400

1.1563

5.46300

0.10000

0.00781

5.2907

6

0.5545

4.44

0.2500

2

6.43047

0.4337

3.47

1.9462

1.2625

6.52500

0.10000

0.00781

6.3461

Note:This information is selected from the International Standard for Pipe Threads, ASME B1.20.1.

24