Our Products

PTFE Bellows with reinforcing rings, 2 convolutions

Standard version: Flanges with 3 limit bolt holes

Also available: Flanges with 2 limit bolt holes

Flanges without limit bolt holes

NB 25 - NB 400

Flanges according to ASME/ANSI B16.5 Class 150

Rated for -50° C to +260° C
Materials
1 Bellow flanges
2 Isostatic moulded PTFE according to ASTM D-1457 or Paste PTFE according to ASTM D-4895
3 Re-inforcing ring
4 Bolt and nut
5 Washer
NB Type ME-8-A
Flexible Couplings		 Æ B Æ C Æ D E s
± 10%
mm		 Drilling Part-no. Approx.
Weight
kg
L
± 2%
mm		 h
+ or -
mm		 a
+ or -
mm		 Æ F n d
25 35 6 3 50 108 152 10 3 79 4 M12 MC8A025 1,4
40 35 6 3 73 127 172 10 3 98 4 M12 MC8A040 2,0
50 40 6 3 92 152 196 12 3 121 4 M16 MC8A050 3,6
80 57 10 5 127 191 258 18 3,5 152 4 M16 MC8A080 6,3
100 67 12 6 157 229 292 18 4 191 8 M16 MC8A100 9,1
150 75 12 6 216 279 342 18 4,5 241 8 M20 MC8A150 12,7
200 102 20 6 270 343 420 22 5,25 298 8 M20 MC8A200 21,5
250 135 20 6 323 406 482 25 5,25 362 12 M20 MC8A250 27,8
300 146 20 6 381 483 560 25 5,5 432 12 M20 MC8A300 43,5
350 146 20 6 413 518 610 30 6 476 12 M24 MC8A350 51,0
400 146 20 6 470 580 680 35 6,5 540 16 M24 MC8A400 72,0

 
PTFE Bellows with reinforcing rings, 3 convolutions

Standard version: Flanges with 3 limit bolt holes

Also available: Flanges with 2 limit bolt holes

Flanges without limit bolt holes

NB 25 - NB 400

Flanges according to ASME/ANSI B16.5 Class 150

Rated for -50° C to +260° C
Materials
1 Bellow flanges
2 Isostatic moulded PTFE according to ASTM D-1457 or Paste PTFE according to ASTM D-4895
3 Re-inforcing rings
4 Bolt and nut
5 Washer
NB Type ME-8-A
Flexible Couplings		 Æ B Æ C Æ D E s
± 10%
mm		 Drilling Part-no. Approx.
Weight
kg
L
± 2%
mm		 h
+ or -
mm		 a
+ or -
mm		 Æ F n d
25 45 12 6 50 108 152 10 3 79 4 M12 MC8B025 1,4
40 50 12 6 73 127 172 10 3 98 4 M12 MC8B040 2,0
50 70 20 10 92 152 196 12 3 121 4 M16 MC8B050 3,6
80 92 25 12 127 191 258 18 3,5 152 4 M16 MC8B080 6,3
100 92 25 12 157 229 292 18 4 191 8 M16 MC8B100 9,1
150 102 25 14 216 279 342 18 4,5 241 8 M20 MC8B150 12,7
200 136 28 14 270 343 420 22 5,25 298 8 M20 MC8B200 21,5
250 178 28 14 323 406 482 25 5,25 362 12 M20 MC8B250 27,8
300 200 28 14 381 483 560 25 5,5 432 12 M20 MC8B300 43,5
350 200 28 14 413 518 610 30 6 476 12 M24 MC8B350 51,0
400 200 28 14 470 580 680 35 6,5 540 16 M24 MC8B400 72,0

 
PTFE Bellows with liner

Standard version: Flanges with 3 limit bolt holes\Also available: Flanges with 2 limit bolt holes

Flanges without limit bolt holes

NB 100 - NB 400

Flanges according to ASME/ANSI B16.5 Class 150

Rated for -50° C to +260° C

 
Materials
1 Bellow flanges
2 Isostatic moulded PTFE according to ASTM D-1457 or Paste PTFE according to ASTM D-4895
3 Re-inforcing rings
4 Bolt and nut
5 Washer
6 PTFE-liner according to ASTM D-1457
NB Type ME-8-B
Expansion Joints		 Æ B Æ C Æ D E s
± 10%
mm		 Drilling Æ G l t Part-no. Approx
Weight
kg
L
± 2%
mm		 h
+ or -
mm		 a
+ or -
mm		 Æ F n d
100 92 25 12 157 229 292 18 4 191 8 M16 150,8 100 4,5 MC8BL100  
200 136 28 14 270 343 420 22 5,25 298 8 M20 255,6 200 5 MC8BL200  
300 200 28 14 381 483 560 25 5,5 432 12 M20 365,1 250 5 MC8BL300  
400 200 28 14 470 580 680 35 6,5 540 16 M24 450,9 350 5 MC8BL400