Jinan Hyupshin Flanges Co., Ltd produce ANSI B16.5 flanges, B16.47 flanges, AWWA C207 flanges, BS 4504 flanges, BS T/D flanges, DIN flanges, EN 1092-1 flanges, JIS flanges, GOST 12820-80 flanges, GOST 12821-80 flanges, SABS 1123 flanges, SANS 1123 flanges, UNI flanges, KS B1503 flanges, ISO 7005 flanges, NS flanges, AS flanges, Korean KS mark flanges, Korean KS certificate flanges, carbon steel, stainless steel, mild steel, forging flanges, forged flanges, galvanizing flangesJinan Hyupshin Flanges Co., Ltd, Slip On flanges, Slip On FF flange, Slip On RF flanges, SOFF flanges, SORF flanges, Welding Neck flanges, Weld Neck flanges, Welded Neck flanges, WNRF flanges, Blind flanges, Blank flanges, Plate flanges, Flat flanges, FF flanges, Slip on Bossed flanges, Plain flanges, Plane flanges, Raised Face flanges, Flat Face flanges, Threaded flanges, Screwed flanges, Loose flanges, Lapped flanges, Lap Joint flanges, LJ flanges, Socket Weld flanges, SW flanges, BS PT flanges, BS PT threaded screwed flanges, 150lbs flanges, 300lbs flanges, 600lbs flanges, PN6 flanges, PN10 flanges, PN16 flanges, PN25 flanges, PN40 flanges, 5K flanges, 10K flanges, 16K flanges, 20K flanges, 30K flanges, 40K flanges, SOP FF flanges, SOP RF flanges, SO HUB flanges, SOH flanges, SOH RF flanges, SOH FF flanges, SS400 flanges, SF440A flanges, SF390A flanges, C22.8 flanges, A105 flanges, S235JRG2 flanges, RST37-2 flanges, SA A105N flanges, RST37.2 flanges, P235GH flanges, P245GH flanges, P250GH flanges, P265GH flanges, Q235B flanges, A36 flanges, A350 LF flanges, 20# steel flanges, 16Mn flanges, 20Mn flanges  
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Jinan Hyupshin Flanges Co., Ltd supply ANSI B16.5 FLANGES, ASME B16.5 FLANGES, ASA B16.5 FLANGES, DIN Flanges (DIN2573, DIN2576, DIN2527, DIN2641, DIN2642, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2501, DIN2502, DIN2503, DIN86030, DIN86044) , Italian UNI Flanges (UNI2276, UNI2277, UNI2278, UNI6083, UNI6084, UNI2280, UNI2281, UNI2282, UNI2283, UNI2284, UNI2253, UNI2254, UNI6091, UNI6092, UNI6093, UNI6094, UNI6095, UNI6088, UNI6089, UNI6090), European Norms EN 1092-1 Flanges (TYPE 01/A, TYPE 01/B1, TYPE 02, TYPE 05, TYPE 11, TYPE 12, TYPE 13), JIS B2220 Flanges, Korean KS B1503 Flanges, BS 4504 Flanges, BS 10 Flanges, BS T/D Flanges, BS T/E Flanges, South African SABS 1123 Flanges, SANS 1123 Flanges, Russian GOST 12820-80 Flanges, GOST 12821-80 Flanges, U.S. AWWA C207 Class D Ring Flanges, Class D Hub Flanges, Class E Ring Flanges, Class E Hub Flanges, Class F Ring Flanges, Class F Hub Flanges, ISO7005-1 Flanges, ISO9624 Flanges, French NFE 29203 Flanges, Australian AS/NZS 4331.1 Flanges, AS4087 Flanges, AS2129 T/D, T/E Flanges, Norwegian NS 2545 Blind Flanges, NS 2546 Blind Flanges, NS 2547 Blind Flanges, NS 2525 Plain Flanges, NS 2526 Plain Flanges, NS 2527 Plain Flanges, NS 2529 Plain flanges, NS2537 Flange, NS2538 Flange, NS2539 Flange, NS2540 Flange, NS2542 Flange, VSM 18695 Flange, VSM 18696 Flange, VSM 18697 Flange, VSM 18716 Flange, VSM 18718 Flange, VSM 18703 Flange
HOME > PRODUCTS CENTER > GOST 12820-80 WELDING NECK FLANGE / ГОСТ 12821-80 WELDING NECK FLANGE
GOST/ГОСТ 12821-80 FLANGE FORGED
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PN4.0MPa, PN40  
Jinan Hyupshin Flanges Co., Ltd, Steel Flanges Manufacturer, Flanges Factory, GOST 12821-80 flanges, PN1.0Mpa

Flange Dimensions & Approximate Masses
Давление PN = 4,0 МПа (40 кгс/с м²)
Наименование
D, мм
D1, мм
d, мм
Dm, мм
Dn, мм
d1, мм
b, мм
h4, мм
к-во отв. n, шт.
Масса, кг
Фланец воротниковый ГОСТ 12821-80 1-15-40 ст.3 (20)
95
65
14
30
19
12
14
33
4
0,79
Фланец воротниковый ГОСТ 12821-80 1-20-40 ст.3 (20)
105
75
38
26
18
34
0,97
Фланец воротниковый ГОСТ 12821-80 1-25-40 ст.3 (20)
115
85
45
33
25
36
1,18
Фланец воротниковый ГОСТ 12821-80 1-32-40 ст.3 (20)
135
100
18
56
39
31
16
43
1,83
Фланец воротниковый ГОСТ 12821-80 1-40-40 ст.3 (20)
145
110
64
46
38
45
2,19
Фланец воротниковый ГОСТ 12821-80 1-50-40 ст.3 (20)
160
125
76
58
48
17
2,81
Фланец воротниковый ГОСТ 12821-80 1-65-40 ст.3 (20)
180
145
96
77
66
19
50
8
3,71
Фланец воротниковый ГОСТ 12821-80 1-80-40 ст.3 (20)
195
160
112
90
78
21
55
4,8
Фланец воротниковый ГОСТ 12821-80 1-100-40 ст.3 (20)
230
190
22
138
110
96
23
65
7,4
Фланец воротниковый ГОСТ 12821-80 1-125-40 ст.3 (20)
270
220
26
160
135
120
25
10
Фланец воротниковый ГОСТ 12821-80 1-150-40 ст.3 (20)
300
250
186
161
145
27
68
13,03
Фланец воротниковый ГОСТ 12821-80 1-200-40 ст.3 (20)
375
320
30
250
222
200
35
85
12
24,44
Фланец воротниковый ГОСТ 12821-80 1-250-40 ст.3 (20)
445
385
33
310
278
252
39
98
37,59
Фланец воротниковый ГОСТ 12821-80 1-300-40 ст.3 (20)
510
450
368
330
301
42
112
16
57,1
Фланец воротниковый ГОСТ 12821-80 1-350-40 ст.3 (20)
570
510
481
382
351
48
116
70,34
Фланец воротниковый ГОСТ 12821-80 1-400-40 ст.3 (20)
655
585
39
480
432
398
54
135
106,76
Фланец воротниковый ГОСТ 12821-80 1-500-40 ст.3 (20)
755
670
45
580
535
495
58
140
20
132,33
Фланец воротниковый ГОСТ 12821-80 1-600-40 ст.3 (20)
890
795
52
686
636
595
180,95
Фланец воротниковый ГОСТ 12821-80 1-800-40 ст.3 (20)
1135
1030
56
908
826
795
71
190
24
343,69
Фланец воротниковый ГОСТ12821-80 1-1000-40 ст.3 (20)
1360
1250
1140
1028
995
77
235
28
540,75
Фланец воротниковый ГОСТ12821-80 1-1200-40 ст.3 (20)
1575
1460
62
1350
1228
1195
80
250
32
690,59

Проход условный Dy d1 b h4 Dm Dn Масса, кг
с соединительным выступом с выступом с впадиной с шипом с пазом
10 8 14 33 26 15 0,68 0,69 0,66 0,68 0,67
15 12 30 19 0,79 0,78 0,75 0,80 0,78
20 18 34 38 26 0,97 0,99 0,93 0,97 0,95
25 25 36 45 33 1,18 1,19 1,13 1,16 1,15
32 31 16 43 56 39 1,83 1,85 1,78 1,81 1,86
40 38 45 64 46 2,19 2,16 2,10 2,11 2,15
50 48 17 76 58 2,81 2,79 2,68 2,72 2,78
65 66 19 50 96 77 3,71 3,72 3,59 3,60 3,68
80 78 21 55 112 90 4,80 4,81 4,60 4,69 4,80
100 96 23 65 138 110 7,40 7,06 6,82 7,20 7,28
125 120 25 160 135 10,00 10,17 9,48 9,97 10,08
150 145 27 68 186 161 13,03 13,20 12,60 12,86 13,03
(175) 177 33 85 226 196 20,75 21,26 21,10 19,70 20,00
200 200 35 250 222 24,44 24,00 23,57 24,20 24,00
(225) 226 37 95 280 248 31,33 31,10 30,50 31,20 31,60
250 252 39 98 310 278 37,59 37,30 36,50 36,90 37,40
300 301 42 112 368 330 57,10 50,60 50,30 51,10 52,20
350 351 48 116 418 382 70,34 69,60 68,00 68,10 68,80
400 398 54 135 480 432 106,76 105,50 105,00 103,80 106,00
(450) 448 56 530 484 107,00 106,00 104,80 103,80 105,00
500 495 58 140 580 535 132,33 128,00 126,00 128,00 130,00
600 595 58 686 636 180,95 195,08 165,78 182,02 179,81
(700) 695 63 160 790 726 228,25 246,86 209,59 229,47 226,93
800 795 71 190 908 826 343,69 367,40 319,93 345,08 342,20
(900) 895 74 215 1024 926 436,54 - - - -
1000 995 77 235 1140 1028 540,75
1200 1195 80 250 1350 1228 690,59
Production Capacity & Purchase Details
1. Supply Flange Dimension DN15 - DN2000 (1/2" - 80"), Forged Flange.
2. Material Carbon Steel: CT20, Q235, ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, 20#, 16Mn, 20Mn etc.
3. Material Stainless Steel: ASTM A182 F304, F304L, F316, F316L, F321 etc.
4. Flanges Anti Rust: Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.
5. Monthly Output: 3000 tons per Month.
6. Delivery Terms: CIF, CFR, FOB, EXW.
7. Payment Terms: Wire Transfer (T/T), Irrevocable L/C at Sight etc.
8. Minimum Order Quantity: 1Ton or 100Pcs.
9. Quality Guarantee: EN10204 3.1 Certificate, Mill Certificate, Third Party Inspection, Free Replacement Service.
10. Find More Requirements In Flanges Market.

GOST 12821-80 FLANGE
Jinan Hyupshin Flanges Co., Ltd, Steel Flanges Manufacturer, Flanges Factory, GOST 12820-80 flanges, GOST 12821-80 flanges, GOST 12815-80 flanges
 

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GOST / ГОСТ 12821-80 Flange
PN4.0MPa, PN40, WNRF Forged
DN15-DN2000, In Stock!

GOST Flange Norms
PLATE FLANGE
  GOST 12820 PN 0.6 MPa
  GOST 12820 PN 1.0 MPa
  GOST 12820 PN 1.6 MPa
  GOST 12820 PN 2.5 MPa
  GOST 12820 PN 4.0 MPa
  GOST 12820 PN 6.3 MPa
WELD NECK FLANGE
  GOST 12821 PN 0.6 MPa
  GOST 12821 PN 1.0 MPa
  GOST 12821 PN 1.6 MPa
  GOST 12821 PN 2.5 MPa
  GOST 12821 PN 4.0 MPa hyupshin flanges
BLIND FLANGE
  GOST 12836 PN 1.0 MPa
  GOST 12836 PN 1.6 MPa
  GOST 12836 PN 2.5 MPa
  GOST 12836 PN 4.0 MPa
GOST STANDARDS STEEL
 
Jinan Hyupshin Flanges Co., Ltd, Carbon Steel Flanges, Forged Flanges, Pipe Flanges, Ship Flanges, Project Flanges, Water Works Flanges, Oil Flanges, Power Flanges, Petroleum Flanges, Industrial Flanges, Gas Flanges, Anti Rust Flanges, Manufacturer, Exporter
 

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Jinan Hyupshin Flanges Co., Ltd, Carbon Steel Flanges, Forged Flanges, Pipe Flanges, Ship Flanges, Project Flanges, Water Works Flanges, Oil Flanges, Power Flanges, Petroleum Flanges, Industrial Flanges, Gas Flanges, Anti Rust Flanges, Manufacturer, Exporter
 

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Jinan Hyupshin Flanges Co., Ltd

Pingpu Road, Niupai, Mingshui,
Zhangqiu City, Shandong,
China, 250200

Tel: +86 531 832 977 28
Fax: +86 531 832 918 78

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