Pipe Reducers

HOME > Welded Pipe Fittings > Pipe Reducers

Pipe Reducer

LF was founded as a company specializing in pipe reducers. The specification of pipe reducer includes ASTM A403, ANSI B16.9 & B16.28 JIS B2312, JIS B2313. It is available in 304/304L, 316/316L, 310/310S, 317/317L. The production process of pipe reducer is from steel pipe, inspection, material identification, angle chamfering, marking, pressing, trimming, cleaning, surface lapping, forming, heat treatment, reforming, shot blasting, beveling, picking to finished products. If you are interested in the pipe reducer products, feel free to contact us now!

Pipe Reducer Series:

Specification of Pipe Reducer:

Con.& Ecc.Reducers Specification
NP
Diomension at End
Center to End
NPS1X2
OD1
OD1
H
3/4x1/2
26.67
21.34
38.10
3/4x3/8
26.67
17.15
38.10
1x3/4
33.53
26.67
50.80
1x1/2
33.53
21.34
50.80
11/4x1
42.16
33.53
50.80
11/4x3/4
42.16
26.67
50.80
11/4x1/2
42.16
21.34
50.80
11/2x11/4
48.26
42.16
63.50
11/2x1
48.26
33.53
63.50
11/2x3/4
48.26
26.67
63.50
11/2x1/2
48.26
21.34
63.50
2x11/2
60.45
48.26
76.20
2x11/4
60.45
42.16
76.20
2x1
60.45
33.53
76.20
2x3/4
60.45
26.67
76.20
2x1/2
60.45
21.34
76.20
21/2x2
73.15
60.45
88.90
21/2x11/2
73.15
48.26
88.90
21/2x11/4
73.15
42.16
88.90
21/2x1
73.15
33.53
88.90
3x21/2
88.90
73.15
88.90
3x2
88.90
60.45
88.90
3x11/2
88.90
48.26
88.90
3x11/4
88.90
42.16
88.90
3x1
88.90
-
88.90
4x3
114.30
88.90
101.60
4x21/2
114.30
73.15
101.60
4x2
114.30
60.45
101.60
4x11/2
114.30
48.26
101.60
5x4
141.22
114.30
127.00
5x3
141.22
88.90
127.00
5x21/2
141.22
73.15
127.00
5x2
141.22
60.45
127.00
6x5
168.15
141.22
139.70
6x4
168.15
141.30
139.70
6x3
168.15
88.90
139.70
6x21/2
168.15
73.15
139.70
8x6
218.95
168.15
152.40
8x5
218.95
141.22
152.40
8x4
218.95
114.30
152.40
10x8
273.05
218.95
177.80
10x6
273.05
168.15
177.80
10x5
273.05
141.22
177.80
10x4
273.05
114.30
177.80
12x10
323.85
273.05
203.20
12x8
323.85
218.95
203.20
12x6
323.85
168.15
203.20
12x5
323.85
141.22
203.20
14x12
355.60
323.85
330.20
14x10
355.60
273.05
330.20
14x8
355.60
218.95
330.20
14x6
355.60
168.15
330.20
16x14
406.40
355.60
355.60
16x12
406.40
323.85
355.60

Diamention of Pipe Reducer:

Dimensions of OD,ID and wall thickness of stainless steel pipe fittings

NP

 

OD

 
Norminal Diamention
Sch 5S
Sch 10S
Sch 40S
Sch 80S
ID
 Thickness
ID
 Thickness
ID
 Thickness
ID
 Thickness
1/2"
21.34
18.04
1.65
17.12
2.11
15.80
2.77
13.88
3.73
3/4"
26.67
23.37
1.65
22.45
2.11
20.93
2.87
18.85
3.91
1"
33.53
30.23
1.65
27.99
2.77
26.77
3.38
24.43
4.55
11/4"
42.16
38.86
1.65
36.62
2.77
35.04
3.56
32.46
4.85
11/2"
48.26
44.96
1.65
42.72
2.77
40.90
3.68
38.10
5.08
2"
60.45
57.15
1.65
54.91
2.77
52.63
3.91
49.73
5.54
21/2"
73.15
68.93
2.11
67.05
3.05
62.83
5.16
59.13
7.01
3"
88.90
84.68
2.11
114.30
3.05
77.92
5.49
73.66
7.62
31/2"
101.60
97.38
2.11
133.35
3.05
90.12
5.74
85.14
8.08
4"
114.30
110.08
2.11
152.40
3.05
102.26
6.02
97.18
8.56
5"
141.22
135.68
2.77
190.50
3.05
128.12
6.55
122.16
9.53
6"
168.15
162.61
2.77
228.60
3.40
153.93
7.11
146.21
10.97
8"
218.95
213.41
2.77
304.80
3.40
202.59
8.18
193.55
12.70
10"
273.05
266.65
3.40
381.00
3.76
254.51
9.27
247.65
12.70
12"
323.85
315.93
3.96
457.20
4.19
304.79
9.53
298.45
12.70
14"
355.60
347.68
3.96
533.40
4.57
336.54
9.53
330.20
12.70
16"
406.40
398.02
4.19
609.60
4.78
387.34
9.53
381.00
12.70
18"
457.20
448.82
4.19
685.80
4.78
438.12
9.53
431.80
12.70
20"
508.00
498.44
4.78
762.00
5.54
488.94
9.53
482.60
12.70
22"
558.80
549.24
4.78
838.20
5.54
539.74
9.53
533.40
12.70
24"
609.60
598.52
5.54
914.40
6.35
590.54
9.53
584.20
12.70
30"
762.00
749.30
6.35
746.16
7.92
-
-
-
-

Tolerance of Pipe Reducer:

Tolerance
Item NPS
1/2"—2/12"
3"—4"
5"—8"
10"—18"
20"—24"
Toerance allowance
OD

+1.52

0.76

+1.52

-1.52

+2.28

-1.52

+4.06

-3.04

+6.35

-4.83
ID

+1.52

0.76

+1.52

-1.52

+3.04

-3.04

+4.83

-4.83
Thickness
-12.5%
Bevel
37.5± 2.5

Root Face

1.6± 0.8
(X)
0.76
1.52
2.28
3.04
(Y)
1.52
3.04
4.83
9.65
H(Hight)
± 1.52
± 2.28
(G)

+ 1.52

- 1.52

+ 2.28

- 2.28
(A)

+0

- 0.76

+0

- 1.52

Wieght of Pipe Reducer:

APPROXIMATES WEIGHTS

NOMINAL

PIPE SIZE

REDUCING TEES
CON.& ECC.REDUCER
5S
10S
40S
80S
5S
10S
40S
80S
3/4X
1/2
0.11
0.13
0.23
0.23
0.05
0.05
0.06
0.10
1X
3/4
0.21
0.27
0.42
0.45
0.10
0.10
0.11
0.20
1/2
0.20
0.25
0.40
0.45
0.09
0.10
0.11
0.20
11/4X
1
0.31
0.52
0.68
0.79
0.11
0.10
0.16
0.23
3/4
0.30
0.50
0.68
0.79
0.11
0.14
0.15
0.23
1/2
0.29
0.48
0.68
0.79
0.10
0.13
0.15
0.23
11/2X
11/4
0.40
0.68
1.02
1.13
0.15
0.19
0.25
0.35
1
0.39
0.66
0.99
1.13
0.13
0.18
0.23
0.34
3/4
0.38
0.64
0.97
1.13
0.12
0.175
0.22
0.32
1/2
0.36
0.60
0.91
1.13
0.11
0.165
0.21
0.29
2X
11/2
0.49
0.82
1.70
1.93
0.17
0.29
0.40
0.54
11/4
0.46
0.78
1.63
1.87
0.16
0.28
0.39
0.52
1
0.45
0.76
1.59
1.86
0.15
0.27
0.38
0.50
3/4
0.42
0.62
1.47
1.81
0.13
0.26
0.36
0.45
1/2
0.42
0.62
1.47
1.81
0.13
0.25
0.34
0.45
21/2X
2
0.81
1.36
2.72
3.26
0.28
0.46
0.68
0.91
11/2
0.74
1.24
2.49
3.23
0.26
0.44
0.65
0.86
11/4
0.70
1.19
2.38
3.20
0.24
0.43
0.64
0.84
1
0.67
1.13
2.27
3.18
0.23
0.42
0.63
0.79
3X
21/2
1.22
1.77
3.06
3.74
0.34
0.56
0.94
1.25
2
1.17
1.70
2.95
3.63
0.31
0.55
0.91
1.18
11/2
1.12
1.66
2.84
3.48
0.30
0.53
0.88
1.13
11/4
1.12
1.64
2.84
3.45
0.28
0.52
0.86
1.09
1
1.12
1.64
2.84
3.45
0.28
0.51
0.85
1.09
31/2X
3
1.53
2.22
3.99
5.72
0.54
0.72
1.30
1.81
21/2
1.48
2.15
3.86
5.53
0.49
0.71
1.20
1.59
2
1.45
2.04
3.76
5.35
0.47
0.70
1.10
1.59
11/2
1.40
1.91
3.63
5.22
0.43
0.64
0.98
1.47
4X
31/2
1.79
2.59
5.35
7.08
0.56
0.85
1.60
2.15
3
1.76
2.54
5.26
7.08
0.54
0.83
1.50
2.04
21/2
1.71
2.47
5.13
7.03
0.52
0.81
1.40
1.99
2
1.70
2.46
5.08
7.03
0.48
0.78
1.35
1.93
11/2
1.68
2.44
5.03
6.89
0.46
0.75
1.30
1.81
5X
4
3.76
5.44
9.53
11.57
1.15
1.40
2.70
3.74
31/2
3.67
5.31
9.30
11.34
1.11
1.35
2.58
3.52
3
3.59
5.17
9.07
11.11
1.06
1.30
2.48
3.40
21/2
3.49
5.03
8.85
10.89
1.01
1.18
2.37
3.18
2
3.41
4.90
8.62
10.66
0.96
1.05
2.26
2.95
6X
5
6.26
7.71
15.65
18.14
1.50
1.95
3.70
5.44
4
6.03
7.48
15.20
17.78
1.48
1.90
3.50
5.22
31/2
5.94
7.35
14.97
17.33
1.46
1.80
3.45
4.99
3
5.85
7.36
14.74
16.78
1.42
1.70
3.40
4.76
21/2
5.76
7.12
14.52
16.33
1.28
1.60
3.30
4.54
2
5.76
7.12
14.52
16.33
1.28
1.50
3.20
4.54
8X
6
9.21
11.34
24.49
33.57
2.02
3.08
5.90
8.48
5
9.03
11.11
24.04
33.11
1.84
2.96
5.40
8.16
4
8.80
10.84
23.45
32.52
1.79
2.78
5.00
7.71
31/2
8.62
10.61
23.00
31.98
1.72
2.68
5.00
7.48
3
8.62
10.61
23.00
31.98
1.72
2.68
5.00
7.48
10X
8
12.34
16.78
38.33
49.44
3.67
5.00
9.90
13.38
6
12.11
16.47
37.65
48.99
3.58
4.80
9.70
13.38
5
11.57
14.65
36.74
48.08
3.50
4.60
9.50
12.70
4
11.25
13.65
36.29
47.17
3.33
3.64
9.04
11.57
12X
10
18.78
24.49
53.98
83.46
6.40
7.42
15.20
19.73
8
18.42
24.04
53.07
79.38
6.08
7.22
14.40
19.05
6
17.96
23.45
51.71
74.84
5.85
6.82
14.00
18.14
5
17.33
22.59
49.90
72.58
5.76
6.59
13.61
17.69