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ISO Flange

Specification

Standard ISO Flange
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

ISO Flange Dimensions

Size Of FlangesTD1CBHoleFG
NW16CF7,634274,4 / M4621,518,3
NW35CF12,77058,76,7 / M6648,3541,9
NW50CF15.885,672,48,4 / M8861,855,6
NW63CF17,5113,592,18,4 / M8882,5577,2
NW100CF19,9151,6130,38,4 / M816120,7115,3
NW150CF22,3202,41818,4 / M820171,5166,1
NW200CF24,6253,2231,88,4 / M824222,35216,9
NW250CF263062848,4 / M832273,2267
NW300CF28,4355,6325,410,5 / M1030313,5307,3
NW350CF28,5419,1388,910,5 / M1036376,9370,7

ISO Flanges Centering Ring Dimensions

Size Of FlangesLip Outside Daimeter
in Millimeter		Lip Inside Daimeter
in Millimeter		Thickness
in Millimeter
ISO 632.756 (70)2.63 (66.8)0.154 (3.9)
ISO 803.268 (83)3.14 (79.8)0.154 (3.9)
ISO 1004.016 (102)3.89 (98.8)0.154 (3.9)
ISO 1606.024(153)5.90 (149.9)0.154 (3.9)
ISO 2008.386 (213)8.26 (209.8)0.154 (3.9)
ISO 25010.276 (261)10.14 (257.6)0.154 (3.9)
ISO 32012.520 (318)12.30 (312.4)0.220 (5.6)
ISO 40015.748 (400)15.53 (394.5)0.220 (5.6)
ISO 50019.724 (501)19.51 (495.6)0.220 (5.6)
ISO 63025.630 (651)25.41 (645.4)0.220 (5.6)

ISO K Style Flange Dimensions

Size Of FlangesTube Outside Daimeter
(in.)		Flanges Inside Daimeter
in.(millimeter)		Thickness Of Flanges
in.(millimeter)		Number of ClampsAssembly Diameter
in.(millimeter)
MinimalOptimal
ISO 632.53.74 (95)0.47 (11.94)345.00 (127)
ISO 8034.33 (110)0.47 (11.94)485.59 (142)
ISO 10045.12 (130)0.47 (11.94)486.38 (162)
ISO 16067.09 (180)0.47 (11.94)488.35 (212)
ISO 20089.45 (240)0.47 (11.94)61210.71 (272)
ISO 2501011.42 (290)0.47 (11.94)61212.68 (322)
ISO 32012.7514.57 (370)0.67 (17.02)81216.73 (425)
ISO 4001617.72 (450)0.67 (17.02)81620.08 (510)
ISO 5002021.65 (550)0.67 (17.02)121624.02 (610)
ISO 6302427.17 (690)0.87 (22.10)141829.53 (750)

ISO F Style Flange Dimensions

Flanges SizeTube Outside Daimeter
(in.)		Flanges Outside Daimeter
in.(millimeter)		Thickness Of Flanges
in.(millimeter)		Number of BoltsDiameter Of Holes
in.(millimeter)		BCD
in.(millimeter)
KF 632.55.12 (130)0.47 (11.94)40.35 (9)4.33 (110)
KF 8035.71 (145)0.47 (11.94)80.35 (9)4.92 (125)
KF 10046.50 (165)0.47 (11.94)80.35 (9)5.71 (145)
KF 16068.86 (225)0.63 (16.00)80.43 (11)7.87 (200)
KF 200811.22 (285)0.63 (16.00)120.43 (11)10.24 (260)
KF 2501013.19 (335)0.63 (16.00)120.43 (11)12.20 (310)
KF 32012.7516.73 (425)0.79 (20.07)120.55 (14)15.55 (395)
KF 4001620.08 (510)0.79 (20.07)160.55 (14)18.90 (480)
KF 5002024.02 (610)0.79 (20.07)160.55 (14)22.83 (580)
KF 6302429.53 (750)0.94 (23.88)200.55 (14)28.35 (720)

ISO Blank Flange Dimensions

Number Of ItemStandard MaterialABCDE
IBL-63SUS304959012704.5
IBL-80SUS30411010512834.5
IBL-100SUS304130125121024.5
IBL-160SUS304180175121534.5
IBL-200SUS304240235122134.5
IBL-250SUS304290285122614.5
IBL-320SUS304370365173184.5
IBL-400SUS304450445174004.5
IBL-500SUS304550545175014.5

ISO Bored Flange Dimensions

Number Of ItemStandard MaterialABCDEF
IBF-63SUS30495901263.7704.5
IBF-80SUS3041101051276.4834.5
IBF-100SUS30413012512101.81024.5
IBF-160SUS30418017512
152.9
1534.5
IBF-200SUS30424023512203.72134.5
IBF-250SUS30429028512254.52614.5
IBF-320SUS30437036517305.33184.5
IBF-400SUS30445044517406.94004.5
IBF-500SUS30455054517508.85014.5

ISO Bolted Flange Dimensions

Number Of ItemStandard MaterialABCDEP.C.D.
IBTF-63SUS304130701263.79x4110
IBTF-80SUS304145831276.49x8125
IBTF-100SUS30416510212101.89x8145
IBTF-160SUS30422515316152.911x8200
IBTF-200SUS30428521316203.711x12260
IBTF-250SUS30433526116254.511x12310
IBTF-320SUS30442531820305.314x12395
IBTF-400SUS30451040020406.914x16480
IBTF-500SUS30451040020406.914x16480

ISO Rotatable Bolt Ring Dimensions

Item No.Standard MaterialABCDP.C.D. 
IRBR-63SUS30413098.5129x4110
IRBR-80SUS304145113.5129x8125
IRBR-100SUS304165133.5129x8145
IRBR-160SUS304225185.71611x8200
IRBR-200SUS304285245.71611x12260
IRBR-250SUS304335295.71611x12310
IRBR-320SUS304425375.82014x12395
IRBR-400SUS304510458.82014x16480
IRBR-500SUS304610558.82014x16580

ISO Split Retainer Ring Dimensions

Number Of ItemStandard MaterialAFit Flange
ISR-63SUS3043ISO63
ISR-80SUS3043ISO80
ISR-100SUS3043ISO100
ISR-160SUS3045ISO160
ISR-200SUS3045ISO200
ISR-250SUS3045ISO250
ISR-320SUS3045ISO320
ISR-400SUS3048ISO400
ISR-500SUS3048ISO500

ISO Kf Flange Dimensions

Nominal diameterA [millimeter]B [millimeter]C [millimeter]D [millimeter]E [millimeter]Pipe dimensionPart number
DN 10 ISO-KF301423012.214 x 2 mm120FRA010-14-30
DN 10 ISO-KF521423012.214 x 2 mm120FRA010-14-52
DN 10 ISO-KF701423012.214 x 2 mm120FRA010-14-70
DN 16 ISO-KF4019.051.653017.219.05 x 1.65 millimeter120FRA016-19-40
DN 16 ISO-KF302023017.220 x 2 millimeter120FRA016-20-30
DN 16 ISO-KF522023017.220 x 2 millimeter120FRA016-20-52
DN 16 ISO-KF702023017.220 x 2 millimeter120FRA016-20-70
DN 25 ISO-KF4025.41.654026.225.4 x 1.65 millimeter120FRA025-25-40
DN 25 ISO-KF302824026.228 x 2 millimeter120FRA025-28-30
DN 25 ISO-KF552824026.228 x 2 mm120FRA025-28-55
DN 25 ISO-KF702824026.228 x 2 mm120FRA025-28-70
DN 40 ISO-KF40381.55541.238 x 1.5 mm120FRA040-38-40
DN 40 ISO-KF2642.425541.242.4 x 2 mm120FRA040-42-26
DN 40 ISO-KF3044.525541.244.5 x 2 mm120FRA040-44-30
DN 40 ISO-KF5844.525541.244.5 x 2 mm120FRA040-44-58
DN 40 ISO-KF7044.525541.244.5 x 2 mm120FRA040-44-70
DN 50 ISO-KF4050.81.657552.450.8 x 1.65 mm120FRA050-50-40
DN 50 ISO-KF265427552.454 x 2 mm120FRA050-54-26
DN 50 ISO-KF30573.27552.457 x 3.2 mm120FRA050-57-30
DN 50 ISO-KF58573.27552.457 x 3.2 mm120FRA050-57-58
DN 50 ISO-KF70573.27552.457 x 3.2 mm120FRA050-57-70

ISO 160 Blank Flange Weight Formula

Flanges StandardFlanges ClassFlanges DiameterFlanges Bolt Circle DiameterFlanges Number of BoltsFlanges Bolt SizeDiameter of Bolt Hole
AS4087 FlangesPN14 Flanges95674M1214
AS 2129 FlangeTable C Flanges956741314
Table D Flanges956741314
Table E Flanges956741314
Table F Flanges956741314
Table H Flanges1148341617
Table J Flanges1148341617
ANSI B16.5 FlangesANSI 150 Flanges896041316
ANSI 300 Flanges956741316
ANSI 600 Flanges956741316
ANSI 900 Flanges1218341922
ANSI 1500 Flanges1218341922
ISO 7005 (DIN) FlangePN6 Flanges80554M1011
PN10 Flanges95654M1214
PN16 Flanges95654M1214
PN20 Flanges9060.54M1416
PN25 Flanges95654M1214
PN40 Flanges95654M1214

ISO 7005 PN Flange Pressure Rating

Flange Class15030040060090015002500
Flange Pressure Nominal ISO 7005 (PN)205068110150260420

ISO 5211 Flange Thickness

ISO Flange Wall Thickness
NPS (Normal Pipe Sizes)Outside Daimeter (O.D.)Schedule 10Schedule 20Schedule 30STD WallSchedule 40Schedule 60EXT HvySchedule 80Schedule 100Schedule 120Schedule 140Schedule 160XX Hvy
½0.840.083......0.1090.109...0.1470.147.........0.1880.294
¾1.050.083......0.1130.113...0.1540.154.........0.2190.308
11.3150.109......0.1330.133...0.1790.179.........0.250.358
1 ¼1.660.109......0.140.14...0.1910.191.........0.250.382
1 ½1.90.109......0.1450.145...0.20.2.........0.2810.4
22.3750.109......0.1540.154...0.2180.218.........0.3440.436
2 ½2.8750.12......0.2030.203...0.2760.276.........0.3750.552
33.50.12......0.2160.216...0.30.3.........0.4380.6
3 ½40.12......0.2260.226...0.3180.318............0.636
44.50.12......0.2370.237...0.3370.337...0.438...0.5310.674
55.5630.134......0.2580.258...0.3750.375...0.5...0.6250.75
66.6250.134......0.280.28...0.4320.432...0.562...0.7190.864
88.6250.1480.250.2770.3220.3220.4060.50.50.5940.7190.8120.9060.875
1010.750.1650.250.3070.3650.3650.50.50.5940.7190.84411.1251
1212.750.180.250.330.3750.4060.5620.50.6880.84411.1251.3121
14140.250.3120.3750.3750.4380.5940.50.750.9381.0941.251.406...
16160.250.3120.3750.3750.50.6560.50.8441.0311.2191.4381.594...
18180.250.3120.4380.3750.5620.750.50.9381.1561.3751.5621.781...
20200.250.3750.50.3750.5940.8120.51.0311.2811.51.751.969...
22220.25......0.375......0.5......................
24240.250.3750.5620.3750.6880.9690.51.2191.5311.8122.0622.344....
2626............0.375........0.5........................
30300.3120.50.6250.375........0.5........................
36360.3120.50.6250.3750.75....0.5........................
4040............0.375........0.5........................
4242……..……..……..0.375……..……..0.5……..……..……..……..……..……..
4848……..……..……..0.375……..……..0.5……..……..……..……..……..……..

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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