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GOST 12821 Flanges

Specification

Standard Mention Standard
Material Available Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Titanium, Mild Steel, etc.
Custom design As per your drawing
Size range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Rating Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Types Threaded,  Plate,  Screwed, Forged.
Supporting material Gasket, Ring Joint, Flange Bolts
Production technique Forged, machined and Heat treated
Pressure Class PN 6 TO PN 100
Coating/Surface Treatment:  Zinc Plated, Anti-rust Paint,  Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized.
Origin Indian / USA / Korean / West Europe / Japan 
European/African/Russian Standard Flanges Available
Test Direct-reading Spectrograph,  X-ray detector,  UItrasonic flaw detector,  Magnetic particle detector,  Hydrostatic testing machine, etc.
Gaskets Types Full Face, Metallic Ring, Flat Ring  Gasket
Marking Standard Name of Manufacturer
Schedule
Type of Flange Facing
Pressure Class
Nominal Pipe Size, etc
Test Certificates
 EN 10204/3.1B, NACE MR0103, NACE MR0175
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc

Flange Type Available

Slip on

Weldo

Weld Neck

Tongue Groove

Spectacle Blind

Spade

Threaded Screwed

Square

Ring Type Joint

Ring Spacer

SocketWeld

Reducing

Raised Face

Puddle

Plate

Orifice

Nippo

Male Female

Long Weld Neck

Lap Joint

GOST 12821 80 flange Pressure rating

ASME/ANSI B 16.5

Lap Joint Flange, Ring Type Joint Flange, Threaded Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Slip on Flange, Welding Neck Flange.
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47Blind Flange [Series A & B], Welding Neck Flange.
PRESSURE CLASS75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36Slip on Flange, Threaded Flange, Welding Neck Flange.
PRESSURE CLASS300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1

Plate Flange, Welding Neck Flange, Hubbed Slip on Flange, Lapped Pipe End Flange, Loose Plate With Weld Neck Flange, Hubbed Threaded Flange, Blank Flange, Loose Plate Flange.
PRESSURE CLASSPN 2.5 TO PN 40
BS 4504[PART 1]Blank Flange, Loose Plate With Weld On Plate Collar, Welding Neck Flange, Plate Flange, Hubbed Slip-On Hubbed Threaded.
PRESSURE CLASSPN 2.5 TO PN 400
BS 1560 BOSSBlind Flange, Screwed Boss Flange, Welding Neck Flange,Slip-On Flange, Lapped Flange, Socket Welding Flange.
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
BS10Screwed Boss Flange, Plate Slip-On Flange, Slip-On Boss Flange, Blind Flange, Welding Neck Flange.
TABLED, E, F, H
DIN FLANGESDIN 2527, 2632, 2635, 2673, 2566, 2655, 2631, 2627, 2634, 2576, 2636, 2629, 2633, 2573, 2656, 2638, 2637, 2642, 2641, 2628
PRESSURE CLASSPN 6 TO PN 100

GOST 12821 Stainless Steel Flanges Weight Chart

StandardClassDiameterBolt Circle DiameterNumber of BoltsBolt Size

Diameter of Bolt Hole
AS4087 FlangesPN14 Flanges95674M1214

AS 2129 Flange

Table C Flanges956741314
Table D Flanges956741314
Table E Flanges956741314
Table F Flanges956741314
Table H Flanges1148341617
Table J Flanges1148341617

ANSI B16.5 Flanges

ANSI 150 Flanges896041316
ANSI 300 Flanges956741316
ANSI 600 Flanges956741316
ANSI 900 Flanges1218341922
ANSI 1500 Flanges1218341922

ISO 7005 (DIN) Flange

PN6 Flanges80554M1011
PN10 Flanges95654M1214
PN16 Flanges95654M1214
PN20 Flanges9060.54M1416
PN25 Flanges95654M1214
PN40 Flanges95654M1214

SS 304 Pressure Rating

ASME/ANSI B 16.5

Lap Joint Flange, Ring Type Joint Flange, Threaded Flange, Blind Flange, High Hub Blind Flange, Socket Weld Flange, Slip on Flange, Welding Neck Flange.
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47Blind Flange [Series A & B], Welding Neck Flange.
PRESSURE CLASS75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36Slip on Flange, Threaded Flange, Welding Neck Flange.
PRESSURE CLASS300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1

Plate Flange, Welding Neck Flange, Hubbed Slip on Flange, Lapped Pipe End Flange, Loose Plate With Weld Neck Flange, Hubbed Threaded Flange, Blank Flange, Loose Plate Flange.
PRESSURE CLASSPN 2.5 TO PN 40
BS 4504[PART 1]Blank Flange, Loose Plate With Weld On Plate Collar, Welding Neck Flange, Plate Flange, Hubbed Slip-On Hubbed Threaded.
PRESSURE CLASSPN 2.5 TO PN 400
BS 1560 BOSSBlind Flange, Screwed Boss Flange, Welding Neck Flange,Slip-On Flange, Lapped Flange, Socket Welding Flange.
PRESSURE CLASS150, 300, 400, 600, 900, 1500, 2500
BS10Screwed Boss Flange, Plate Slip-On Flange, Slip-On Boss Flange, Blind Flange, Welding Neck Flange.
TABLED, E, F, H
DIN FLANGESDIN 2527, 2632, 2635, 2673, 2566, 2655, 2631, 2627, 2634, 2576, 2636, 2629, 2633, 2573, 2656, 2638, 2637, 2642, 2641, 2628
PRESSURE CLASSPN 6 TO PN 100

GOST 12821 Stainless Steel Flanges Weight Chart

StandardClassDiameterBolt Circle DiameterNumber of BoltsBolt SizeDiameter of Bolt Hole
AS4087 FlangesPN1495674M1214
AS 2129 FlangeTable C956741314
Table D956741314
Table E956741314
Table F956741314
Table H1148341617
Table J1148341617
ANSI B16.5 FlangesANSI 150896041316
ANSI 300956741316
ANSI 600956741316
ANSI 9001218341922
ANSI 15001218341922
ISO 7005 (DIN) FlangePN680554M1011
PN1095654M1214
PN1695654M1214
PN209060.54M1416
PN2595654M1214
PN4095654M1214

ГОСТ 12821-80 Flanges Dimension

PN = 1,0 МПа (10 кгс/с м²)
НаименованиеD, ммD1, ммdв, ммb, ммd, ммотв., шт.Масса, кг.
(01) 1-15-10 ст.3 (20)956519101440,51
(01) 1-20-10 ст.3 (20)1057526120,74
(01) 1-25-10 ст.3 (20)1158533120,89
(01) 1-32-10 ст.3 (20)1351003914181,4
(01) 1-40-10 ст.3 (20)14511046151,71
(01) 1-50-10 ст.3 (20)16012559152,06
(01) 1-65-10 ст.3 (20)18014578172,8
(01) 1-80-10 ст.3 (20)19516091173,19
(01) 1-100-10 ст.3 (20)2151801101983,96
(01) 1-125-10 ст.3 (20)245210135215,4
(01) 1-150-10 ст.3 (20)28024016121226,62
(01) 1-200-10 ст.3 (20)335295222218,05
(01) 1-250-10 ст.3 (20)390350273231210,65
(01) 1-300-10 ст.3 (20)4404003252412,9
(01) 1-350-10 ст.3 (20)500460377241615,85
(01) 1-400-10 ст.3 (20)565515426262621,56
(01) 1-500-10 ст.3 (20)670620530282027,7
(01) 1-600-10 ст.3 (20)780725630313039,4
(01) 1-800-10 ст.3 (20)101095082037332479,16
(01) 1-1000-10 ст.3 (20)1220116010204328118,43
(01) 1-1200-10 ст.3 (20)145513801220513932197,44

GOST 12821-80 Threaded Flanges Dimension Chart

Давление PN = 1,6 МПа (16 кгс/с м²)
НаименованиеD, ммD1, ммdв, ммb, ммd, ммотв., шт.Масса, кг
1-15-16 ст.3 (20)956519121440,61
1-20-16 ст.3 (20)1057526140,86
1-25-16 ст.3 (20)1158533161,17
1-32-16 ст.3 (20)1351003916181,58
1-40-16 ст.3 (20)14511046171,96
1-50-16 ст.3 (20)16012559192,58
1-65-16 ст.3 (20)18014578213,42
1-80-16 ст.3 (20)19516091213,71
1-100-16 ст.3 (20)2151801102384,73
1-125-16 ст.3 (20)245210135256,38
1-150-16 ст.3 (20)28024016125227,81
1-200-16 ст.3 (20)335295222271210,1
1-250-16 ст.3 (20)405355273282614,49
1-300-16 ст.3 (20)4604103252817,78
1-350-16 ст.3 (20)520470377301622,88
1-400-16 ст.3 (20)580525426343031
1-500-16 ст.3 (20)71065053044332057,01
1-600-16 ст.3 (20)840770630453980,03
1-800-16 ст.3 (20)10209508204924104,41
1-1000-16 ст.3 (20)125511701020584528179,37
1-1200-16 ст.3 (20)148513901220715232297,78

Gost 12821 Flanges Dimension Table

Проход условный DyPy 1,0 МПа (10 кгс/см2)
dнdвbМасса, кг
с соединительным выступомс выступомс впадиной
101415100,460,460,44
1518190,510,510,49
202526120,740,750,71
2532330,890,890,84
323839141,401,391,34
404546151,711,721,67
5057592,062,031,99
657678172,802,772,69
8089913,193,133,08
100108 (А)110193,963,943,76
114 (Б)1163,813,763,61
125133 (А)135215,405,385,18
140 (Б)1425,155,084,93
150152 (А)1546,926,976,62
159 (Б)1616,626,626,33
168 (В)1706,246,175,95
(175)1941967,327,317,02
2002192228,058,047,71
(225)2452459,309,309,05
2502732732310,6510,6610,22
3003253252412.9012,8912,21
35037737715,8515,7914,96
4004264262621,5621,5120,49
(450)48048022,7622,6821,67
5005305302822,7028,0226,86
6006306303139,4039,2637,48
(700)7207203459,4658,5856,45
8008208203779,1677,8976,08
(900)9209204094,13--
10001020102043118,43
12001220122251197,44
14001420142060278,92
16001620162070422,65

Application

  • Food & Beverage
  • Paper Industry
  • Pharmaceutical
  • Hospital Equipment
  • Textiles
  • Dairy
  • Aircraft
  • Chemicals
  • Others Parts in Machinery

Testing

  • Hydrostatic Test
  • Macro Test
  • Ultra Sonic Test (UT)
  • Micro Test
  • Hardness Test
  • Radiography Test
  • Pitting Resistance Test
  • PMI Testing
  • Mechanical Testing
  • X-ray detector

Packing

  • Wooden Boxes
  • Shrink-Wrapped
  • Carton Boxes
  • Wooden Crates
  • Wooden Pallets
Flange Packaging

Stainless Steel Flanges

Materials

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