Seals - RMG TERZ 94 Operating Instructions Manual

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Seals

It must be guaranteed that flange seals of RMG turbine meters do not protrude from the flange into
the gas line.
All seals approved as per DVGW can be used depending on the requirements for stability and reli-
ability.
We recommend seals with the following maximum material characteristic values according to the
AD2000 rules:
− gaskets:
− grooved seals:
− spiral seals:
− octagonal ring joint seal:
For recommended dimensions, see the tables below.
Gaskets
DN
50
80
100
150
200
250
300
400
500
600
Grooved seals
DN
50
80
100
150
200
250
300
400
500
600
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Manual TERZ 94 · EN09a · 2017-11
k
k
k
K
d1
d2
PN 10
d1
2" 77 107
3" 90 142
4" 115 162
6" 169 218
8" 220 273
10" 274 328
12" 325 378
16" 420 490
20" 520 595
24" 620 695
ANSI 300 / ANSI 600
d1
2" 69,8 88,9
3" 98,4 123,8
4" 123,8 154,0
6" 177,8 212,7
8" 228,6 266,7
10"
282.6 320.7
12"
339.7 377.8
16"
422.3 466.7
20"
530.2 581.0
600
631.8 682.6
x K = 20 x b | k = 1.3 x b
0 D D 1
x K = 15 x b | k = 1.1 x b
0 D D 1
x K = 50 x b | k = 1.4 x b
0 D D 1
= 480 N/mm
2
D
1.5 up to 5 mm
PN 16 ANSI 150
d2
107 105
142 137
162 175
218 222
273 279
330 340
385 410
497 514
618 607
735 718
PN 64
d2 d1 d2
65 87
95 121
118 144
170 204
220 258
270 315
320 365
426 474
530 578
630 680
INSTALLATION
[N/mm]
D
[N/mm]
D
[N/mm]
D
PN 25 PN 40
107 107
142 142
168 168
225 225
285 292
342 353
402 418
515 547
625 628
730 745
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