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Refer MSS SP-44 Stainless Steel Reducing Flange Dimension And Threaded Reducing Flange Weight Chart.


A reducing flange is a type of special flange, one which proves to be beneficial when used in projects that require the fitting together of two different sized pipes. There are many different types of reducing flanges some of which are as follows - weld neck reducing flange, slip-on ASME B16.5 Reducing Flange and threaded reducing flanges. Apart from ASME B16.5, manufacturers also use ASTM A182 specification in the construction of these flanges. The ASTM A182 SS Hubbed Reducing Flanges was designed with the intention of being used in high temperature environments. Which is why frequently these Alloy Steel Reducing Flange Materials are furnished by performing a heat treatment. After being hot worked, these forged flanges must be cooled to a specific temperature before its heat treatment. Generally, the heat treatment used on the ANSI B16.5 Carbon Steel Reducing Flange has to be performed in accordance with certain requirements, for instance, heat treatment type, austenitizing/solution temperature, cooling media, as well as quenching.


ASME B16.5 Reducing Flange
ASME B16.5 Reducing Flange
ANSI B16.5 Stainless Steel Reducing Flange
ANSI B16.5 Stainless Steel Reducing Flange
ASTM A105 Carbon Steel Reducing Flange
ASTM A105 Carbon Steel Reducing Flange


DIN86029 PN10 Reducing Companion Flange Specifications, ANSI B16.5 Carbon Steel Reducing Flange Manufacturers in India, Check Alloy Steel Reducing Flange Materials Pressure Reducing.


What Is ASME B16.5 Reducing Flange?


The ASME B16.5 standard also includes certain recommendations in the form of pressure-temperature ratings, materials, Threaded Reducing Flange Dimensions, tolerances, marking, testing, and methods of designating openings, which are used by manufacturers during the production of pipe flanges and flanged fittings. In addition to conforming to the chemistry and mechanical properties of the ASTM A182 specification, the Stainless Steel Reducing Flange also includes requirements and recommendations of standard ASME B16.5 regarding flange bolting, flanges gaskets, and flanges joints.


Specification Of Threaded Reducing Flanges


Specification : ASME B16.5 Reducing Flange
Design For Size: ASA, ASME, DIN, PN, JIS, ANSI, BS, EN
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Connect Type Type: RF, FF, RTJ, LMF, SMF, LJF.
Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Production Process: Forged, Heat Treated and Machined
Standards : ASME B16.5, ASME B16.47 (Series A, Series B), ASME B16.38, EN-1092, BS10, DIN, PN, JIS, ISO, GOST, UNI, AWWA, MSS SP44.
Machining Equipment: Bending machine, Pushing Machine, Sand-blasting machine, Press machine, electric bevelling machine etc
Coating Flanges Faces : Yellow Transparent, Oil Black Paint, Anti-rust Paint, Cold and Hot Dip Galvanized, Zinc Plated
ASME B16.5 Application: Oil And Gas Industry
Nuclear Power Plant
Natural Gas Industry
Chemical Industry
Fabrication Industry
Water Pipeline Industry

Reducing Pipe Flange Dimensions In Inches


Reducing Pipe Flange Dimensions In Inches

Normal Pipe Size

Diam.

Thick.

DIA.

Welding

Minimum.

Minimum.

Minimum.

Neck

Welding

Joint

DN

O

T

A

B

C

D

E

F

G

H

1/2

5.25

1.19

1.38

0.88

.90

0.93

2.88

1.56

1.56

15

133

30.5

34.9

22.2

22.9

23.5

73.0

40

40

3/4

5.50

1.25

1.69

1.09

1.11

1.14

3.12

1.69

1.69

20

140

32.0

42.9

27.8

28.2

29.0

79.4

43

43

1

6.25

1.38

2.00

1.36

1.38

1.41

3.50

1.88

1.88

25

159

35.0

50.8

34.5

34.9

36.0

88.9

48

48

1 1/4

7.25

1.50

2.50

1.70

1.72

1.75

3.75

2.06

2.06

32

184

38.5

63.5

43.3

43.7

44.5

95.2

52

52

1 1/2

8.00

1.75

2.88

1.95

1.97

1.99

4.38

2.38

2.38

40

203

44.5

73.0

49.6

50.0

50.5

111.4

60

60

2

9.25

2.00

3.62

To be

2.44

2.46

2.50

5.00

2.75

2.75

50

235

51.0

92.1

61.9

62.5

63.5

127.0

70

70

2 1/2

10.50

2.25

4.12

specified

2.94

2.97

3.00

5.62

3.12

3.12

65

267

57.5

104.8

74.6

75.4

76

142.9

79

79

3

12.00

2.62

5.00

by

3.57

3.60

3.63

6.62

3.62

3.62

80

305

67.0

127.0

90.7

91.4

92

168.2

92

92

4

14.00

3.00

6.19

purchaser

4.57

4.60

4.63

7.50

4.25

4.25

100

356

76.5

157.2

116.1

116.8

118

190.5

108

108

5

16.50

3.62

7.31

5.66

5.69

5.69

9.00

5.12

5.12

125

419

92.5

185.7

143.7

144.5

145

228.6

130

130

6

19.00

4.25

8.50

6.72

6.75

6.75

10.75

6.0

6.0

150

483

108.0

215.9

170.7

171.4

171

273.0

152

152

8

21.75

5.00

10.62

8.72

8.75

8.75

12.50

7.0

7.0

200

552

127.0

269.9

221.5

222.2

222

317.5

178

178

10

26.50

6.50

12.75

10.88

10.92

10.88

16.50

9.0

9.0

250

675

165.5

323.8

276.2

277.4

276

419.4

229

229

12

30.00

7.25

15.00

12.88

12.92

12.94

18.25

10.0

10.0

300

760

184.5

381.0

327.0

328.2

329

463.6

254

254

Dimensions do not include .25" (6.4 mm) FF.

2500# (PN 420) Socket Welding and SORF Flanges not covered by ASME B16.5


DIN86029 PN10 Reducing Companion Flanges Specifications, ANSI B16.5 Carbon Steel Reducing Flanges Manufacturers in India, Check Alloy Steel Reducing Flanges Materials Pressure Reducing.


Types Of Stainless Steel Reducing Flange


4 X 3 Reducing Weld Neck Flange

4 X 3 Reducing Weld Neck Flange

EN 1092-2 PN16 Reducing Slip On Flange

EN 1092-2 PN16 Reducing Slip On Flange

4 x 2-1/2 inch 300# Threaded Reducing Flange

4 x 2-1/2 inch 300# Threaded Reducings Flange

SCH40 10 x 3 inch Reducing Flange Adapter

SCH40 10 x 3 inch Reducings Flange Adapter

ASTM A182 Class 600 Stainless Steel Reducing Flange

ASTM A182 Class 600 Stainless Steel Reducings Flange

6 inch A105 Carbon Steel Reducing Flange

6 inch A105 Carbon Steel Reducings Flange

1/2 To 3/4 SCH 10 150# Ductile Iron Reducing Flange

1/2 To 3/4 SCH 10 150# Ductile Iron Reducing Flange

EN 1092-1 Type 02 Cast Iron Reducing Flange

EN 1092-1 Type 02 Cast Iron Reducings Flange

3 x 2 inch Pipe Reducing Hub Flange

3 x 2 inch Pipe Reducings Hub Flange

F304 300# Welding Reducing Companion Flange

F304 300# Welding Reducings Companion Flange

ANSI 4 Inch 150 Lb Reducing Flange

ANSI 4 Inch 150 Lb Reducings Flange

Concentirc Galvanized Reducing Flange

Concentirc Galvanized Reducings Flange


Get a Live Quote Now For ASME B16.5 Class 300 Npt Reducing Flanges, Stockist of ASME B16.5 Nickel Alloy Pipe Reducing Flanges, We provide ASME B16.5 Reducing Flange 3rd Party Testing, Accept all small/ Large Orders of Reducings Pipe Flanges.

MSS SP-44 Reducing Insert Flange Size Chart


NPS Type Ø A D Liner
Thick.
DN1 DN2
Inch Inch millimeter millimeter millimeter
3/4" 1/2" 1 98.5 30 5.0
1" 1/2" 1 108 30 5.0
1" 3/4" 1 108 30 5.0
1.1/2" 1/2" 1 127 30 5.0
1.1/2" 3/4" 1 127 30 5.0
1.1/2" 1" 1 127 30 5.0
2" 1/2" 3 152 30 5.0
2" 3/4" 2 152 30 5.0
2" 1" 2 152 30 5.0
2" 1.1/2" 1 152 30 5.0
3" 3/4" 3 190.5 35 5.0
3" 1" 3 190.5 35 5.0
3" 1.1/2" 2 190.5 35 5.0
3" 2" 1 190.5 35 5.0
4" 3/4" 3 228.6 35 5.0
4" 1" 3 228.6 35 5.0
4" 1.1/2" 3 228.6 35 5.0
4" 2" 3 228.6 35 5.0
4" 3" 2 228.6 35 5.0
6" 3/4" 3 280 40 5.0
6" 1" 3 280 40 5.0
6" 1.1/2" 3 280 40 5.0
6" 2" 3 280 40 5.0
6" 3" 3 280 40 5.0
6" 4" 2 280 40 5.0
8" 1" 3 343 35 5.0
8" 1.1/2" 3 343 35 5.0
8" 2" 3 343 40 5.0
8" 3" 3 343 40 5.0
8" 4" 3 343 40 5.0
8" 6" 2 343 40 5.0
10" 1" 3 406 35 2.5
10" 1.1/2" 3 406 35 2.5
10" 2" 3 406 35 2.5
10" 3" 3 406 35 2.5
10" 4" 3 406 35 2.5
10" 6" 3 406 35 2.5
10" 8" 2 406 35 3.5
12" 1" 3 483 35 3.5
12" 1.1/2" 3 483 35 3.5
12" 2" 3 483 35 3.5
12" 3" 3 483 35 3.5
12" 4" 3 483 35 3.5
12" 6" 3 483 35 3.5
12" 8" 3 483 35 3.5
12" 10" 2 483 35 3.5
14" 12" 1 533 40 3.5
16" 12" 3 597 40 3.5
16" 14" 2 597 35 3.5


Ductile Iron Reducings Flanges Certified Materials, Reducing Insert Flange And ASTM A105 Galvanized Reducing Flange Available in a wide range of grades and shapes, Check ASME B16.5 Reducing Flange Dimension And Reducing Outlet Flanges Pressure Reducing.

Carbon Steel Reducings Flange Pressure Rating


ASNME B16.5 Reducings Flange Pressure Rating
Temperature (F°) Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-20 to 100 285 740 985 1480 2220 3705 6170
200 260 680 905 1360 2035 3395 5655
300 230 655 870 1310 1965 3270 5450
400 200 635 845 1265 1900 3170 5280
500 170 605 805 1205 1810 3015 5025
600 140 570 755 1135 1705 2840 4730
650 125 550 730 1100 1650 2745 4575
700 110 530 710 1060 1590 2655 4425
750 95 505 675 1015 1520 2535 4230
800 80 410 550 825 1235 2055 3430
850 65 320 425 640 955 1595 2655
900 50 230 305 460 690 1150 1915
950 35 135 185 275 410 685 1145
1000 20 85 115 170 255 430 715