Gasket
|
(HG5012-58 and HG5016-58)Concave & protruding flat welding(counter
welding) of flange gasket |
Nominal diameter
(DN) |
20 |
25 |
32 |
40 |
50 |
65(70) |
80 |
Inner diameter
(dH) |
25 |
32 |
38 |
45 |
57 |
73(76) |
89 |
Outer diameter
(D2) |
50 |
57 |
65 |
75 |
87 |
109 |
120 |
|
Nominal diameter
(DN) |
100 |
125 |
150 |
200 |
250 |
300 |
400 |
Inner diameter
(dH) |
108 |
133 |
159 |
219 |
273 |
325 |
426 |
Outer diameter
(D2) |
148 |
174 |
202 |
258 |
311 |
362 |
470 |
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(HG5010-58 and HG5019-580)Flat welding of flange gasket |
Nominal diameter(DN) |
Inner diameter(dH) |
Nominal diameterOuter diameter |
Heavy wall(T) |
PN6 |
PN10 |
PN25 |
20 |
26 |
50 |
58 |
58 |
58 |
2.0-2.3 |
25 |
33 |
60 |
68 |
68 |
68 |
2.0-2.3 |
32 |
39 |
70 |
78 |
78 |
78 |
2.0-2.3 |
40 |
46 |
80 |
88 |
88 |
88 |
2.0-2.3 |
50 |
58 |
90 |
102 |
102 |
102 |
2.0-2.3 |
65(70) |
77 |
110 |
122 |
122 |
122 |
2.0-2.3 |
80 |
90 |
128 |
138 |
138 |
138 |
2.0-2.3 |
100 |
110 |
148 |
158 |
158 |
162 |
2.0-2.3 |
125 |
135 |
178 |
188 |
188 |
188 |
2.5-3.0 |
150 |
161 |
202 |
212 |
212 |
218 |
2.5-3.0 |
|
Nominal diameter(DN) |
Inner diameter(dH) |
Outer diameter |
Heavy wall(T) |
PN6 |
PN10 |
PN16 |
PN25 |
175 |
196 |
232 |
242 |
242 |
248 |
2.5-3.0 |
200 |
221 |
258 |
268 |
268 |
278 |
2.5-3.0 |
225 |
247 |
282 |
295 |
295 |
305 |
2.5-3.0 |
250 |
275 |
312 |
320 |
320 |
335 |
2.5-3.0 |
300 |
327 |
365 |
370 |
378 |
390 |
2.5-3.0 |
350 |
379 |
415 |
430 |
438 |
450 |
2.5-3.0 |
400 |
428 |
465 |
482 |
496 |
505 |
2.5-3.0 |
450 |
480 |
520 |
532 |
550 |
555 |
2.5-3.0 |
500 |
531 |
570 |
585 |
610 |
615 |
2.5-3.0 |
600 |
632 |
670 |
685 |
720 |
|
2.5-3.0 |
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|
The standard of the
Chemical Industry Ministry can be provided, namely, HGJ71-91
Steel Pipe Flange Use F4 Layer Gasket
Model PMF: DN10-350, nominal pressure
PN0.6-4.0MPa
.Model PMS: DN10-350,Nominal diameter PN0.6-4.0MPa
Model PMT: DN200-600,nominal diameter PN0.6-4.0MPa
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