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Design Manual
Reducing Flanges, PTFE-Lined
Material - Steel
1
PTFE acc. to ASTM D-4894 / 4895
2
RSt 37-2 = 1.0038, DIN 17100
Externally shot blasted / coated with zinc rich epoxy primer
DN 250 and up have cylindrical openings.
Other sizes on request.
* not according to DIN 2848
Convert To English Units
Major Size
(mm)
Minor Size
(mm)
Part Numbers
Dimensions (mm)
Weight
(ca. kg.)
L
Type
s
±10%
25
20
2701-2141-024
35
C
3.5
2.4
32
20
2701-2141-030
35
3.5
3.9
25
2701-2141-031
3.5
40
20
2701-2141-037
35
4.0
4.0
25
2701-2141-038
4.1
32
2701-2141-039
3.9
50
20
2701-2141-046
35
B
4.0
5.0
25
2701-2141-047
4.9
32
2701-2141-048
C
5.0
40
2701-2141-049
5.1
65
25
2701-2141-061
35
B
4.0
5.9
32
2701-2141-062
5.8
40
2701-2141-063
C
5.6
50
2701-2141-064
5.6
80
25
2701-2141-075
35
A
4 / 3.5
6.8
32
2701-2141-076
B
6.7
40
2701-2141-077
4
6.6
50
2701-2141-078
6.4
65
2701-2141-079
6.2
100
25
2701-2141-094
35
A
4.5 / 3.5
12
32
2701-2141-095
B
40
2701-2141-096
4.5 / 4
50
2701-2141-097
80
2701-2141-099
C
10
125
25*
2701-2141-118
45
A
4.5 / 3.5
16
32
2701-2141-119
40
2701-2141-120
4.5 / 4
15
50
2701-2141-121
14
80
2701-2141-123
B
13
100
2701-2141-124
C
Major Size
(mm)
Minor Size
(mm)
Part Numbers
Dimensions (mm)
Weight
(ca. kg.)
L
Type
s
±10%
150
25*
2701-2141-142
45
A
5 / 3.5
22
32
2701-2141-143
21
40
2701-2141-144
5 / 4
20
50
2701-2141-145
19
80
2701-2141-147
18
100
2701-2141-148
B
5 / 4.5
17
125
2701-2141-149
C
16
200
25*
2701-2141-190
45
A
5 / 3.5
29
50
2701-2141-193
5 / 4
28
80
2701-2141-195
27
100
2701-2141-196
5 / 4.5
25
150
2701-2141-198
B
5
23
250
50
2701-2141-242
45
A
6 / 4
28
80
2701-2141-244
24
100
2701-2141-245
22
150
2701-2141-247
5
19
200
2701-2141-249
B
16
300
50
2701-2141-291
50
A
6 / 4
44
80
2701-2141-293
38
100
2701-2141-294
36
150
2701-2141-296
31
200
2701-2141-298
5.5
28
250
2701-2141-299
C
24
350
50
2701-2141-340
50
A
6 / 4
56
80
2701-2141-342
50
100
2701-2141-343
47
150
2701-2141-345
42
200
2701-2141-347
38
250
2701-2141-348
6
35
300
2701-2141-349
B
33
Major Size
(mm)
Minor Size
(mm)
Part Numbers
Dimensions (mm)
Weight
(ca. kg.)
L
Type
s
±10%
400
80
2701-2141-391
50
A
6 / 4
71
100
2701-2141-392
68
150
2701-2141-394
62
200
2701-2141-396
60
250
2701-2141-397
55
300
2701-2141-398
6
49
350
2701-2141-399
B
40
450
100
2701-2141-441
50
A
6 / 4
77
150
2701-2141-443
72
200
2701-2141-445
70
250
2701-2141-446
66
300
2701-2141-447
58
350
2701-2141-448
49
400
2701-2141-449
B
6
44
500
100
2701-2141-490
50
A
6 / 4
93
150
2701-2141-492
87
200
2701-2141-494
86
250
2701-2141-495
85
300
2701-2141-496
77
350
2701-2141-497
70
400
2701-2141-498
62
450
2701-2141-499
C
51
600
150
2701-2141-591
50
A
6 / 4
139
200
2701-2141-593
131
250
2701-2141-594
128
300
2701-2141-595
121
350
2701-2141-596
105
400
2701-2141-597
93
450
2701-2141-598
84
500
2701-2141-599
78
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