• GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange
  • GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange
  • GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange
  • GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange
  • GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange
  • GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange

GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange

Standard: ANSI, DIN, GB, JIS, GOST, BSW
Type: Welding Flange
Material: Carbon Steel
Structure: Flanges
Connection: Welding
Sealing Surface: RF, FF, Rj, Rtj, Mf, etc.
Customization:
Diamond Member Since 2011

Suppliers with verified business licenses

Guangdong, China
High Repeat Buyers Choice
More than 50% of buyers repeatedly choose the supplier
Years of Export Experience
The export experience of the supplier is more than 10 years
Experienced Team
The supplier has 10 foreign trading staff(s) and 7 staff(s) with over 6 years of overseas trading experience
Exhibition Experience
The supplier had participated in offline trade shows, you can check the Audit Report for more information
to see all verified strength labels (18)

Basic Info.

Model NO.
WAN-350
Manufacturing Way
Forging
Size
1/2"-72" or as Customers′ Requirement
Name
GOST/ 12821-80 Welding Neck Flange Forged
Brand
Kingmetal
Types
Po So Wn Bl Sw Th Pj/Se Pj/Rj
Product Name
Weld Neck Flange
MOQ
10PCS
Delivery Time
15-30 Days After Dwon Payment
Transport Package
Wooden Case/Pallet, or as Customers′ Request
Specification
dn10-dn1600
Trademark
KINGMETAL
Origin
China
HS Code
73079100
Production Capacity
5000ton/Month

Product Description

Carbon Steel forged Flange manufacturer ,Carbon Steel Blind Flange exporter,Carbon Steel weld neck Flange supplier in CHINA .
carbon steel flange , blind flange , weld neck flange , plate flange ,slip on flange ,swivel flange ,RTJ flange supplier in China 

GOST 12821 80 Flanges Price List

GOST 12821 80 Weld Neck Flanges US $0.5-1000 / Piece (FOB Price)
GOST 12821 80 Threaded Flanges US $300-500 / Ton (FOB Price)
GOST 12821 80 forged Flanges US $1-900 / Piece (FOB Price)
GOST 12821 80 Socket Weld Flanges US $0.5-1000 / Piece (FOB Price)
GOST 12821 80 Blind Flanges US $1-300 / Piece (FOB Price)

Please note this is an approx Cost of GOST 12821 80 socket weld flange in India. For final GOST 12821 80 weld neck flange price in India please mail us.

GOST 12821 80 Flange Specification

GOST 12821 80 Flanges Size Chart 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
GOST 12821 80 Flanges Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
GOST 12821 80 Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
GOST 12821 80 Flanges Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
UNI 6Bar 10Bar 16Bar 25Bar 40Bar
EN 6Bar 10Bar 16Bar 25Bar 40Bar
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of GOST 12821 80 forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • forged, Heat treated and machined
Connect Type/ Flange Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Manufacturer of

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
GOST 12821 80: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

GOST 12821 80 Flanges Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.

Forging Carbon Steel Flange/ stainless steel flange
GOST/ГОСТ 12821-80 FLANGE FORGED
 
PN1.6MPa, PN16  

GOST 12821-80 Pn16 DN125 20mn Welding Neck Forged Flange
 

Flange Dimensions & Approximate Masses ,
Давление PN = 1,6 МПа (16 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 ГОСТ 12821-80 1-15-16 ст.3 (20)
95
65
14
30
19
12
12
33
4
0,68
Фланец ГОСТ 12821-80 1-20-16 ст.3 (20)
105
75
38
26
18
36
0,87
Фланец ГОСТ 12821-80 1-25-16 ст.3 (20)
115
85
45
33
25
38
1,05
Фланец ГОСТ 12821-80 1-32-16 ст.3 (20)
135
100
18
55
39
31
13
40
1,54
Фланец ГОСТ 12821-80 1-40-16 ст.3 (20)
145
110
64
46
38
42
1,85
Фланец ГОСТ 12821-80 1-50-16 ст.3 (20)
160
125
76
58
49
45
2,28
Фланец ГОСТ 12821-80 1-65-16 ст.3 (20)
180
145
94
77
66
15
47
3,19
Фланец ГОСТ 12821-80 1-80-16 ст.3 (20)
195
160
110
90
78
17
50
4,21
Фланец ГОСТ 12821-80 1-100-16 ст.3 (20)
215
180
130
110
96
8
4,9
Фланец ГОСТ 12821-80 1-125-16 ст.3 (20)
245
210
156
135
121
19
57
6,75
Фланец ГОСТ 12821-80 1-150-16 ст.3 (20)
280
240
22
180
161
146
8,3
Фланец ГОСТ 12821-80 1-200-16 ст.3 (20)
335
295
240
222
202
21
58
12
11,79
Фланец ГОСТ 12821-80 1-250-16 ст.3 (20)
405
355
26
292
278
254
23
65
17,36
Фланец ГОСТ 12821-80 1-300-16 ст.3 (20)
460
410
346
330
303
24
66
22,76
Фланец ГОСТ 12821-80 1-350-16 ст.3 (20)
520
470
400
382
351
28
70
16
32,04
Фланец ГОСТ 12821-80 1-400-16 ст.3 (20)
580
525
30
450
432
398
32
75
43
Фланец ГОСТ 12821-80 1-500-16 ст.3 (20)
710
650
33
559
535
501
38
90
20
70,97
Фланец ГОСТ 12821-80 1-600-16 ст.3 (20)
840
770
39
660
636
602
41
99,3
Фланец ГОСТ 12821-80 1-800-16 ст.3 (20)
1020
950
850
826
792
45
95
24
130,57
Фланец ГОСТ 12821-80 1-1000-16 ст.3 (20)
1255
1170
45
1060
1028
992
49
110
28
203,39
Фланец ГОСТ 12821-80 1-1200-16 ст.3 (20)
1485
1390
52
1268
1228
1192
51
125
32
284,94
 
Проход условный Dy d1 b h4 Dm Dn Масса, кг
с соединительным выступом с выступом с впадиной с шипом с пазом
10 8 12 33 26 15 0,59 0,60 0,58 0,59 0,58
15 12 30 19 0,68 0,68 0,65 0,67 0,66
20 18 36 28 26 0,87 0,87 0,82 0,85 0,84
25 25 38 45 33 1,05 1,05 0,99 1,03 1,02
32 31 13 40 55 39 1,54 1,54 1,48 1,50 1,50
40 38 42 64 46 1,85 1,81 1,77 1,77 1,81
50 49 45 76 58 2,28 2,24 2,16 2,17 2,23
65 66 15 47 94 77 3,19 3,17 3,05 3,06 3,14
80 78 17 50 110 90 4,21 4,15 4,04 4,06 4,17
100 96 130 110 4,90 4,80 4,65 4,72 4,78
125 121 19 57 156 135 6,75 6,76 6,47 6,55 6,66
150 146 180 161 8,30 8,28 7,88 7,96 8,08
(175) 177 21 210 196 10,37 9,79 9,32 10,05 10,17
200 202 58 240 222 11,79 11,72 11,28 11,04 11,20
(225) 226 65 268 248 14,12 14,48 13,55 13,60 13,70
250 254 23 292 278 17,36 15,00 14,30 16,67 16,86
300 303 24 66 346 330 22,76 22,65 20,83 21,60 22,10
350 351 28 70 400 382 32,04 32,00 29,43 30,60 33,10
400 398 32 75 450 432 43,00 42,64 41,10 41,00 41,70
(450) 450 34 85 506 484 54,00 53,50 52,20 51,40 52,40
500 501 38 90 559 535 70,97 70,32 69,00 68,00 69,90
600 602 41 660 636 99,30 97,81 96,73 94,50 96,60
(700) 692 43 95 750 726 105,90 105,97 102,00 100,70 101,10
800 792 45 850 826 130,57 118,79 115,00 124,80 127,6
(900) 892 47 110 958 926 157,83 - - - -
1000 992 49 1060 1028 203,39
1200 1192 51 125 1268 1228 284,94
 
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.

KINGEMTAL Is a CE & ISO certified GOST 12821 80 Blind Flanges manufacturer & distributor in CHINA.

KINGEMTAL is a supplier and manufacturer of GOST 12821 80 Flanges offering in all Ratings up to 2500#, built a distribution network with more then 65 countries globally.
Contact us for GOST 12821-80 Slip on Flanges manufacturers at factory price in China, Call us for free sample of GOST 12821-80 Threaded Flanges ...

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now