Seamless concentric reducer

Seamless concentric reducer

Seamless concentric reducer

Seamless concentric reducer introduction

Seamless concentric reduceris normally made from seamless pipe. It is usually processed with reducing or expanding hole diameter, or stamping for some specifications.

Seamless concentric reducer specification

Size: DN 20 X 15 - 1200 X 1000
Wall thickness: Sch. 5s - 160
Standard: GB GB/T12459-2005, American Standard (ANIS), Japanese Standard (JIS), British Standard (BS), German standard (DIN), Italian standard (UNI), etc.
Material: Carbon steel: 10 #, 20 #, A3, Q235A, 20G, 16Mn, ASTM A234, ASTM A105, etc.
Stainless steel: ASTMA403, 1Cr18Ni9Ti, 0Cr18Ni9, 00Cr19Ni10, 00Cr17Ni14Mo2, 304, 304L, 316,316 L, etc.
Alloy: 16MnR, Cr5Mo, 12Cr1MoV, 10CrMo910, 15CrMo, 12Cr2Mo1, A335P22,
Connection: clamp (fast) type, welding type, screw type (live).

nominal diameter

approximate weight kg

approximate volume

m3

DN

NPS

SCH10S

SCH20

STD

SCH40

XS

SCH80

20

3/4

0.05

-

0.08

0.08

0.10

0.10

0.027*10-3

25

1

0.10

-

0.17

0.17

0.20

0.20

0.057*10-3

32

1-1/4

0.13

-

0.21

0.21

0.25

0.25

0.091*10-3

40

1-1/2

0.20

-

0.29

0.29

0.35

0.35

0.149*10-3

50

2

0.28

-

0.42

0.42

0.58

0.58

0.276*10-3

65

2-1/2

0.45

-

0.80

0.80

1.03

1.03

0.474*10-3

80

3

0.55

-

1.05

1.05

1.42

1.42

0.703*10-3

90

3-1/2

0.74

-

1.36

1.36

1.89

1.89

1.053*10-3

100

4

0.84

-

1.63

1.63

2.27

2.27

1.333*10-3

125

5

1.38

-

2.77

2.77

3.93

3.93

2.536*10-3

150

6

1.85

-

3.96

3.96

5.95

5.95

3.965*10-3

200

8

2.80

-

6.31

6.31

9.26

9.26

7.297*10-3

250

10

4.60

7.85

10.7

10.7

14.5

17.5

0.013

300

12

7.00

11.2

15.8

16.3

20.9

25.1

0.021

350

14

14.0

25.6

28.8

32.1

37.1

56.5

0.042

400

16

17.5

30.5

38.5

48.8

48.8

79.0

0.060

450

18

21.5

35.2

44.5

64.3

58.5

102

0.080

500

20

36.0

62.7

62.7

98.5

80.4

165

0.131

550

22

38.0

72.6

72.6

-

93.8

181

0.159

600

24

47.5

97.1

79.1

142

101

226

0.189

650

26

-

130

99.9

-

130

-

0.266

700

28

-

142

110

-

142

-

0.308

750

30

85.0

152

119

-

152

-

0.354

800

32

-

151

125

208

151

-

0.402

850

34

-

171

132

231

171

-

0.456

900

36

-

180

140

262

180

-

0.510

950

38

-

-

148

-

194

-

0.568

1000

40

-

-

156

-

203

-

0.630

1050

42

-

-

178

-

235

-

0.695

1100

44

-

-

189

-

244

-

0.763

1150

46

-

-

199

-

257

-

0.970

1200

48

-

-

210

-

269

-

1.056

1300

52

-

-

223

-

-

-

1.241

1400

56

-

-

241

-

-

-

1.433

1500

60

-

-

258

-

-

-

1.651

Note: nominal diameter refers to larger end of the reducer

Seamless concentric reducer show
concentric reducer2.jpg

concentric reducer1.jpg

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