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1 Introduction
Spiral seals (EN 12560-2 with centering ring)
24
DN
50
2"
80
3"
100
4"
150
6"
200
8"
250
10"
300
12"
400
16"
500
20"
600
24"
For flanges according to ASME to be observed:
- Gasket type:
- Gasket dimensions:
- Seal data:
Note
When flange seals which protrude into the pipeline are used for turbine me-
ters, the measuring accuracy can be influenced negatively. Ensure that the
flange seals do not protrude beyond the seal surfaces into the pipeline.
Manual TME400-VMF · EN11 · January 22nd, 2024
ANSI 300
d1
d2
d3
51
69.9
85.9
81
101.6
120.7
106.4
127.0
149.4
157.2
182.6
209.6
215.9
233.4
263.7
268.3
287.3
317.5
317.5
339.9
374.7
400
422.4
463.6
500
525.5
577.9
603.3
628.7
685.8
flat gasket tanged sheet metal/graphite or similar
according to ASME B16.21
design seat tension
Y
= 45 MPa, sealing factor m
max
PN 64
d1
d2
d3
54
66
84
86
95
119
108
120
144
162
174
200
213
225
257
267
279
315
318
330
366
414
426
466
518
530
574
618
630
674
= 2.5
max
ANSI 600
d1
d2
51
69.9
85.9
81
101.6
120.7
106.4
120.7
149.4
157.2
174.8
209.6
215.9
225.6
263.7
268.3
274.6
317.5
317.5
327.2
374.7
400
412.8
463.6
500
520.7
577.9
603.3
628.7
685.8
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