aFlantsy flat steel welded to the connecting protrusion according to GOST 12820-80
Dimensions :
GOST 12821-80 Flange PN0.6MPa
Conditional pass Dy
d1
b
h4
Dm
Dn
Масса, кг
a coupling protrusion
a protrusion
Recessed
with spike
with pazom
10
8
10
27
22
15
0,34
0,34
0,32
0,34
0,33
15
12
28
28
19
0,40
0,40
0,38
0,40
0,40
20
18
30
36
26
0,53
0,53
0,50
0,53
0,52
25
25
12
42
33
0,76
0,77
0,72
0,75
0,75
32
31
33
50
39
1,10
1,08
1,04
1,08
1,08
40
38
35
60
46
1,36
1,37
1,28
1,30
1,34
50
49
70
58
1,53
1,51
1,44
1,46
1,47
65
66
88
77
1,97
2,06
1,83
1,72
1,75
80
78
13
37
102
90
2,76
2,76
2,80
2,65
2,72
100
96
38
122
110
3,35
3,04
3,03
3,03
3,04
125
121
15
40
148
135
4,66
4,24
3,66
4,50
4,55
150
146
43
172
161
5,37
5,85
4,93
5,29
5,35
(175)
177
17
47
210
196
7,32
8,10
6,92
7,11
7,16
200
202
50
235
222
8,37
9,35
7,75
7,98
8,05
(225)
226
260
248
9,45
9,25
8,72
8,98
9,06
250
254
18
288
278
10,99
10,69
10,14
12,20
12,30
300
303
340
330
14,82
14,28
14,10
13,81
14,11
350
351
390
382
17,69
18,65
17,64
16,35
16,72
400
398
440
432
20,55
19,69
19,30
18,83
19,31
(450)
450
494
484
23,63
23,60
21,90
21,62
22,24
500
501
19
545
535
26,63
29,10
25,90
24,44
25,10
600
602
55
650
636
35,79
35,60
33,40
37,49
33,67
(700)
692
740
726
44,31
44,10
41,10
40,60
41,86
800
792
60
844
826
56,17
55,20
52,20
51,67
53,36
(900)
892
21
944
926
66,79
-
-
-
-
1000
992
1044
1028
73,51
1200
1192
23
70
1248
1228
111,43
1400
1392
27
85
1456
1428
156,58
1600
1592
32
95
1660
1628
218,57
Marking & Packing
Our products like flanges are packaged to make sure that there’s no damage throughout transit. Just in case of exports, customary export packaging is completed in wooden boxes or cases. All flanges are marked with Trademark (Company’s LOGO), Grade, Size and Lot No. On requests we can do custom marking on our products.
Test Certificates
Manufacturer Test Certificate as per EN 10204-3.1, EN 10204-3.2, Raw Materials Certificate, NABL approved Lab Test Report, 100% Radiography Test Report, Third Party Inspection Report etc.