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PTFE-lined reducing flanges


NB 40 - NB 80
ASME/ANSI B16.5 Class 150

Materials
1 Compression moulding according to ASTM D-1457
Externally shot blasted / coated with one coat metal etch primer -alternatives available on request

Type A
All holes off-centre line		 Type B
All holes off-centre line		 Type C
K1: Off centre line
K2: Set on centre line
Bolt hole rotation is specified in column " R° " in chart

NB 1mm NB 2mm L mm Type s ± 10%mm Approx.weightkg R°
40 25 37 C 3,5 4,1 45°
50 25 37 B 3,5 4,9 0°
40 C 5,1 45°
80 25 A 6,8 0°
40 43 B 3,5 6,6 0°
50 C 6,4 45°

PTFE-lined reducing flanges

NB 100 - NB 400
ASME/ANSI B16.5 Class 150

Materials and drawing according to page 3-11.

NB 1mm NB 2 mm L mm Type s ± 10%mm Approx.weightkg R°
100 25 3,5 12 22,5°
40 43 A 12 22,5°
50 3,5 12 22,5°
80 B 10 22,5°
25 22 22,5°
40 A 4 20 22,5°
150 50 43 19 22,5°
80 18 22,5°
100 B 4 17 0°
25 29 22,5°
50 28 22,5°
200 80 46 A 4,9 27 22,5°
100 25 0°
150 23 0°
50 28 0°
80 5 24 0°
250 100 48 A 22 7,5°
150 5 19 7,5°
200 B 16 7,5°
50 44 0°
80 38 0°
300 100 50 A 5,5 36 7,5°
150 31 7,5°
200 28 7,5°
250 B 5,5 24 0°
50 56 0°
80 50 0°
100 47 7,5°
350 150 50 A 6 42 7,5°
200 38 7,5°
250 6 35 0°
300 C 33 15°
80 71 0°
100 68 11,25°
150 62 11,25°
400 200 50 A 6 60 11,25°
250 55 3,75°
300 6 49 3,75°
350 B 40 3,75°

FEP-lined blind flanges

NB 25 - NB 400
ASME/ANSI B16.5 Class 150

Materials
1 FEP Lined acc. to ASTM F546
2 ANSI B16.5 Class 150
3 Other flange specifications available on request
Externally shot blasted / coated with one coat metal etch primer - alternatives available on request

NBmm s ± 10%mm Lmm Approx.weightkg
25 3,0 14,3 1,2
40 3,0 17,5 2,1
50 3,0 19,0 3,0
80 3,5 23,8 5,0
100 4,5 23,8 6,0
150 5,0 25,4 11,8
200 5,0 28,6 18
250 5,0 30,2 26
300 5,0 31,7 35
350 5,0 34,9 45
400 6,0 36,5 60