API 6a flange

API 6a flange

API 6a 5000 flanges and API 6a 10000 weld neck flanges suppliers in UAE

API 6A flange specification


Api 6a Flange Specification

Manufacturing Size Of API 6A Flange Material Class Pressure Class Of API 6A RTJ flange
  • 1-13/16″ to 26-3/4″

For custom sizes you can contact above verified API 6A flange suppliers in UAE

  • DD
  • FF
  • BB
  • CC
  • EE
  • API 2000 (Class 600)
  • API 3000 (Class 900)
  • API 5000 (Class 1500)
Connection Types Performance Requirement API 6A Flange Means
  • Studded
  • Bolted
  • PR1
  • PR2
  • American Petroleum Institute
Coating Types Of API STD 6A High Pressure Flanges Types of API 6A Oilfield Flanges API 6A Flange Material
  • Oil Varnished
  • Electro galvanizing coating (Thickness 20-30μm)
  • Anti-rust painting
  • Black phosphating treatment
  • Electric zinc coated (Yellow zinc/ white)
  • Hot dip galvanized (Thickness 200μm)
  • Alloy material coated (Clad/ Lined)
  • Integral flange
  • Weld neck flange
  • Target blind
  • Swivel flanges (360° rotation)
  • Target flanges
  • Double studded adapter flanges (DSAF)
  • Adapter spools
  • Adapter flange
  • Threaded flanges
  • Spacer spool flanges
  • Companion flanges
  • Test flange
  • Blind flange
Product Specification Level API 6A Weld Neck Flanges Types Marking
  • PSL1
  • PSL2
  • PSL3
  • PSL4
  • ISO 10423 API 6A raised face weld neck flange
  • API 6A ISO 10423 flat face weld neck flange
  • API Spec 6A long weld neck flange
  • API STD 6A ring type joint weld neck flange
  • Material grade
  • Sizes
  • Manufacturing date
  • Origin of material
  • Heat number
  • Face type
  • Standard name
  • Manufacturers logo / name (OEM)
  • Pressure class
Applications & Installations Meet The Requirements Of Thread Types
  • Wellhead system
  • Shipbuilding
  • Natural Gas
  • Oil and gas wells
  • Subsea applications
  • Manifold
  • Pipeline projects
  • Oil drilling

Contact above API 6A flange suppliers & maufacturers for bespoke service in Saudi Arabia, UAE & other middle east countries

  • NACE MR0103
  • NACE TM 0177
  • PWHT
  • Sour service
  • HIC
  • ISO 15156
  • NACE TM-0284
  • NACE MR0175
  • NORSOK L 005
  • FPT thread
  • FNPT thread (Female) – ASME B1.20.1
  • BSP
  • NPT thread
  • BSPP thread (Female & male)
  • BSPT thread (Female)
  • MPT thread
  • MNPT thread (Male)
Inspection Plan Quality check Face Type
  • Verify API type 6A large diameter flanges are manufactured as per the work order
  • Material & visual inspection
  • Hardness test
  • Tensile test
  • Impact test
  • API 6A standard pipe flange dimensional check by ruler, calibrated tape or caliper
  • Dry film thickness check (for coating thickness by an elcometer)
  • Shell pressure test
  • PMI Test – Important test to check chemical composition
  • Mill certificate
  • EN 10204 3.1 Certificate
  • Third Party Inspection
  • Free replacement
  • RF
  • RTJ
  • FF

 

API 6a instrument flange and API 6a 3000 flanges for high-temperature applications in the middle east and Asia

Types of API 6A flange

API 6A test flange

API 6A test flange

API 6A blind flange

API 6A blind flange

ISO 10423 API 6A Integral flange

ISO 10423 API 6A Integral flange

API 6A weld neck flange

API 6A weld neck flange

API 6A ISO 10423 target blind

API 6A ISO 10423 target blind

API Spec 6A swivel flanges

API Spec 6A swivel flanges

API 6A double studded adapter flanges (DSAF)

API 6A double studded adapter flanges (DSAF)

API STD 6A threaded flanges

API STD 6A threaded flanges

API Type 6A adapter flange

API Type 6A adapter flange

 

API 6A flange dimensions

Working Pressure in PSI NPS in inch Bolts Length in Inch Gasket For API Ring O.D. Of Flange in Inch Bolt Holes Number Bolts Diameter in Inch
10000 1 13/16 5 1/4 BX 151 7 3/8″ 8 3/4
15000 1 13/16 6 BX 151 8 3/16″ 8 7/8
20000 1 13/16 7 3/4 BX 151 10 1/8″ 8 1
2000 2 1/16 5/8 Ring 23 6 1/2″ 8 5/8
3000 and 5000 2 1/16 7/8 Ring 24 8 1/2″ 8 7/8
10000 2 1/16 3/4 BX 152 7 7/8″ 8 3/4
15000 2 1/16 7/8 BX 152 8 3/4″ 8 7/8
20000 2 1/16 1 1/8 BX 152 11 5/16″ 8 1 1/8
2000 2 9/16 5 1/4 Ring 26 7 1/2″ 8 3/4
3000 and 5000 2 9/16 7 Ring 27 9 5/8″ 8 1
10000 2 9/16 6 1/4 BX 153 9 1/8″ 8 7/8
15000 2 9/16 7 BX 153 10″ 8 1
20000 2 9/16 9 1/2 BX 153 12 13/16″ 8 1 1/4
2000 3 1/8 5 1/2 Ring 31 8 1/4″ 8 3/4
3000 3 1/8 6 1/4 Ring 31 9 1/2″ 8 7/8
5000 3 1/8 7 3/4 R 35 10 1/2″ 8 1 1/8
10000 3 1/16 7 1/4 BX 154 10 5/8″ 8 1
15000 3 1/16 8 BX 154 11 5/16″ 8 1 1/8
20000 3 1/16 10 3/4 BX 154 14 1/16″ 8 1 3/8
2000 4 1/16 6 1/4 Ring 37 10 3/4″ 8 7/8
3000 4 1/16 7 1/2 Ring 37 11 1/2″ 8 1 1/8
5000 4 1/16 8 1/2 R 39 12 1/4″ 8 1 1/4
10000 4 1/16 8 3/8 BX 155 12 7/16″ 8 1 1/8
15000 4 1/16 9 3/4 BX 155 14 3/16″ 8 1 3/8
20000 4 1/16 12 3/4 BX 155 17 9/16″ 8 1 3/4
5000 5 1/8 10 3/4 R 44 14 3/4″ 8 1 1/2
2000 7 1/16 7 1/2 Ring 45 14″ 12 1
3000 7 1/16 8 1/2 Ring 45 15″ 12 1 1/8
5000 7 1/16 11 1/4 R 46 15 1/2″ 12 1 3/8
10000 7 1/16 11 3/4 BX 156 18 7/8″ 12 1 1/2
15000 7 1/16 13 BX 156 19 7/8″ 16 1 1/2
20000 7 1/16 17 3/4 BX 156 25 13/16″ 16 2
2000 9 8 1/2 Ring 49 16 1/2″ 12 1 1/8
3000 9 9 1/2 R 49 18 1/2″ 12 1 3/8
5000 9 12 1/2 Ring 50 19″ 12 1 5/8
10000 9 13 1/4 BX 157 21 3/4″ 16 1 1/2
15000 9 16 BX 157 25 1/2″ 16 1 7/8
2000 11 9 1/4 R 53 20″ 16 1 1/4
3000 11 10 Ring 53 21 1/2″ 16 1 3/8
5000 11 14 1/4 R 54 23″ 12 1 7/8
10000 11 15 3/8 BX 158 25 3/4″ 16 1 3/4
15000 11 19 1/2 BX 158 32″ 20 2
2000 13 5/8 9 1/2 Ring 57 22″ 20 1 1/4
3000 13 5/8 10 3/4 R 57 24″ 20 1 3/8
5000 13 5/8 12 3/4 BX 160 26 1/2″ 16 1 5/8
10000 13 5/8 17 3/4 BX 159 30 1/4″ 20 1 7/8
15000 13 5/8 21 BX 159 34 7/8″ 20 2 1/4
2000 16 3/4 10 3/4 R 65 27″ 20 1 1/2
3000 16 3/4 12 1/4 Ring 66 27 3/4″ 20 1 5/8
5000 16 3/4 14 3/4 BX 162 30 3/8″ 16 1 7/8
10000 16 3/4 17 3/4 BX 162 34 5/16″ 24 1 7/8
5000 18 3/4 18 BX 163 35 5/8″ 20 2
10000 18 3/4 23 BX 164 40 15/16″ 24 2 1/4
3000 20 3/4 15 1/4 Ring 74 33 3/4″ 20 2
2000 21 1/4 12 1/2 Ring 73 32″ 24 1 5/8
5000 21 1/4 19 BX 165 39″ 24 2
10000 21 1/4 24 3/4 BX 166 45″ 24 2 1/2
2000 26 3/4 14 1/4 BX 167 41″ 20 1 3/4
3000 26 3/4 17 1/2 BX 168 43 3/8″ 24 2

 

Specification of API 6A weld neck flange

Size in inch Material and Grade API 6A Flange Pressure Ratings
2 1/16 AISI 4130/ SA105 2M/3M/5M/10M/15M
2 9/16 2M/3M/5M/10M/15M
3 1/8″ 2M/3M/5M
3 1/16 10M/15M
4 1/16 2M/3M/5M/10M/15M
5 1/8 2M/3M/5M/10M/15M
7 1/16 2M/3M/5M/10M/15M
9 2M/3M/5M
11 AIS14130/ SA105 2M/3M/5M

 

2000 PSI API 6A flange dimensions

API 6A 2000 PSI flange dimensions

Nominal Size Bore Maximum Bore O.D. Tolerance Maximum Chamfer Dia Of RF Total Thickness Basic Thickness Diameter Of Hub Diameter Of Bolt Circle Bolt Holes Number
2.1/16 2.09 6.5 ± 0.06 0.12 4.25 1.31 1 3.31 5 8
2.9/16 2.59 7.5 ± 0.06 0.12 5 1.44 1.12 3.94 5.88 8
3.1/8 3.22 8.25 ± 0.06 0.12 5.75 1.56 1.25 4.62 6.62 8
4.1/16 4.28 10.75 ± 0.06 0.12 6.88 1.81 1.5 6 8.5 8
5.1/8 5.16 13 ± 0.06 0.12 8.25 2.06 1.75 7.44 10.5 8
7.1/16 7.16 14 ± 0.12 0.25 9.5 2.19 1.88 8.75 11.5 12
9 9.03 16.5 ± 0.12 0.25 11.88 2.5 2.19 10.75 13.75 12
11 11.03 20 ± 0.12 0.25 14 2.81 2.5 13.5 17 16
13.5/8 13.66 22 ± 0.12 0.25 16.25 2.94 2.62 15.75 19.25 20
16.3/4 16.78 27 ± 0.12 0.25 20 3.31 3 19.5 23.75 20
21.1/4 21.28 32 ± 0.12 0.25 25 3.88 3.5 24 28.5 24

Api 6a Flange Dimensions

NPS Diameter of Bolts Diameter Bolt Holes  Tolerance Of Bolt Hole (Minimum -0.02) Stud Bolts Length Hub Length Of
Threaded
Line Pipe Flange
Hub Length Of
Threaded Casing Flange
Hub Length Of
Welding Neck
Line Pipe Flange
Neck Diameter Of
Welding Neck
Line Pipe Flange
Tolerance  Maximum Bore
Weld Neck Flange
R and RX Ring Number
2.1/16 5/8 0.75 +0.06 4.5 1.75  – 3.19 2.38 +0.09
-0.03
2.1 23
2.9/16 3/4 0.88 +0.06 5 1.94  – 3.44 2.88 +0.09
-0.03
2.5 26
3.1/8 3/4 0.88 +0.06 5.25 2.12  – 3.58 3.5 +0.09
-0.03
3.1 31
4.1/16 7/8 1 +0.06 6 2.44 3.5 4.31 4.5 +0.09
-0.03
4.06 37
5.1/8 1 1.12 +0.06 6.75 2.69 4 4.81 5.56 +0.09
-0.08
4.84 41
7.1/16 1 1.12 +0.06 7 2.94 4.5 4.94 6.63 +0.16
-0.03
5.79 45
9 1.1/8 1.25 +0.06 8 3.31 5 5.56 8.63 +0.16
-0.03
7.84 49
11 1.1/4 1.38 +0.06 8.75 3.69 5.25 6.31 10.75 +0.16
-0.03
9.78 53
13.5/8 1.1/4 1.38 +0.06 9 3.94 3.94  –  –  –  – 57
16.3/4 1.1/2 1.62 +0.09 10.25 4.5 4.5 65
21.1/4 1.5/8 1.75 +0.09 11.75 5.38 5.38 73

 

3000 PSI API 6A flange dimensions

API 6A 3000 PSI flange dimensions

Nominal Size Bore Maximum Bore O.D. Tolerance Maximum Chamfer Dia Of RF Total Thickness Basic Thickness Diameter Of Hub Diameter Of Bolt Circle Bolt Holes Number
2.1/16 2.09 8.5 ± 0.06 0.12 4.88 1.81 1.5 4.12 6.5 8
2.9/16 2.59 9.62 ± 0.06 0.12 5.38 1.94 1.62 4.88 7.5 8
3.1/8 3.22 9.5 ± 0.06 0.12 6.12 1.81 1.5 5 7.5 8
4.1/16 4.28 11.5 ± 0.06 0.12 7.12 2.06 1.75 6.25 9.25 8
5.1/8 5.16 13.75 ± 0.06 0.12 8.5 2.31 2 7.5 11 8
7.1/16 7.16 15 ± 0.12 0.25 9.5 2.5 2.19 9.25 12.5 12
9 9.03 18.5 ± 0.12 0.25 12.12 2.81 2.5 11.75 15.5 12
11 11.03 21.5 ± 0.12 0.25 14.25 3.06 2.75 14.5 18.5 16
13.5/8 13.66 24 ± 0.12 0.25 16.5 3.44 3.12 16.5 21 20
16.3/4 16.78 27.75 ± 0.12 0.25 20.62 3.94 3.5 20 24.25 20
20.3/4 20.78 33.75 ± 0.12 0.25 25.5 4.75 4.25 24.5 29.5 20

 

NPS Diameter of Bolts Diameter Bolt Holes  Tolerance Of Bolt Hole (Minimum -0.02) Stud Bolts Length Hub Length Of
Threaded
Line Pipe Flange
Hub Length Of
Threaded Casing Flange
Hub Length Of
Welding Neck
Line Pipe Flange
Neck Diameter Of
Welding Neck
Line Pipe Flange
Tolerance  Maximum Bore
Weld Neck Flange
R and RX Ring Number
2.1/16 7/8 1 +0.06 6 2.56 4.31 2.38 +0.09
-0.03
1.97 24
2.9/16 1 1.12 +0.06 6.5 2.81 4.44 2.88 +0.09
-0.03
2.35 27
3.1/8 7/8 1 +0.06 6 2.44 4.31 3.5 +0.09
-0.03
2.93 31
4.1/16 1.1/8 1.25 +0.06 7 3.06 3.5 4.81 4.5 +0.09
-0.03
3.86 37
5.1/8 1.1/4 1.38 +0.06 7.75 3.44 4 5.31 5.56 +0.09
-0.08
4.84 41
7.1/16 1.1/8 1.25 +0.06 8 3.69 4.5 5.81 6.63 +0.16
-0.03
5.79 45
9 1.3/8 1.5 +0.06 9 4.31 5 6.69 8.63 +0.16
-0.03
7.47 49
11 1.3/8 1.5 +0.06 9.5 4.56 5.25 7.56 10.75 +0.16
-0.03
9.34 53
13.5/8 1.3/8 1.5 +0.06 10.25 4.94 4.94  –  –  –  – 57
16.3/4 1.5/8 1.75 +0.09 11.75 5.06 5.69  –  –  –  – 66
20.3/4 2 2.12 +0.09 14.5 6.75 6.75  –  –  –  – 74

 

5000 PSI API 6A flange dimensions

You can save 30%-40% cost when ordering the API 6a swivel flange and API 6a instrument flange directly from the manufacturers in Bahrain

API 6A 5000 PSI flange dimensions

Nominal Size Bore Maximum Bore O.D. Tolerance Maximum Chamfer Dia Of RF Total Thickness Basic Thickness Diameter Of Hub Diameter Of Bolt Circle Bolt Holes Number
2.1/16 2.09 8.5 ± 0.06 0.12 4.88 1.81 1.5 4.12 6.5 8
2.9/16 2.59 9.62 ± 0.06 0.12 5.38 1.94 1.62 4.88 7.5 8
3.1/8 3.22 10.5 ± 0.06 0.12 6.62 2.19 1.88 5.25 8 8
4.1/16 4.28 12.25 ± 0.06 0.12 7.62 2.44 2.12 6.38 9.5 8
5.1/8 5.16 14.75 ± 0.06 0.12 9 3.19 2.88 7.75 11.5 8
7.1/16 7.16 15.5 ± 0.12 0.25 9.75 3.62 3.25 9 12.5 12
9 9.03 19 ± 0.12 0.25 12.5 4.06 3.62 11.5 15.5 12
11 11.03 23 ± 0.12 0.25 14.63 4.69 4.25 14.5 19 12

 

NPS Diameter of Bolts Diameter Bolt Holes  Tolerance Of Bolt Hole (Minimum -0.02) Stud Bolts Length Hub Length Of
Threaded
Line Pipe Flange
Hub Length Of
Threaded Casing Flange
Hub Length Of
Welding Neck
Line Pipe Flange
Neck Diameter Of
Welding Neck
Line Pipe Flange
Tolerance  Maximum Bore
Weld Neck Flange
R and RX Ring Number
2.1/16 7/8 1 +0.06 6 2.56  – 4.31 2.38 +0.09
-0.03
1.72 24
2.9/16 1 1.12 +0.06 6.5 2.81  – 4.44 2.88 +0.09
-0.03
2.16 27
3.1/8 1.1/8 1.25 +0.06 7.25 3.19  – 4.94 3.5 +0.09
-0.03
2.65 35
4.1/16 1.1/4 1.38 +0.06 8 3.88 3.88 5.19 4.5 +0.09
-0.03
3.47 39
5.1/8 1.1/2 1.62 +0.06 10 4.44 4.44 6.44 5.56 +0.09
-0.08
4.34 44
7.1/16 1.3/8 1.5 +0.06 10.75 5.06 5.06 7.13 6.63 +0.16
-0.03
5.22 46
9 1.5/8 1.75 +0.09 12 6.06 6.06 8.81 8.63 +0.16
-0.03
6.84 50
11 1.7/8 2 +0.09 13.75 6.69 6.69 10.44 10.75 +0.16
-0.03
8.53 54

 

20000 PSI API 6A flange dimensions

Choose from the list of verified API 6a weld neck flange manufacturers in Sharjah before ordering, and compare response times and prices of API 6a 15k flange in GCC countries

API 6A 20000 PSI flange dimensions

Normal Pipe Size B D D C F T A E
NPS Maximum Bore Outer Diameter Tolerance Maximum Chamfer Diameter Of
Raised Face
Total
Thickness
Large
Diameter Hub
Small
Diameter Hub
1.13/16 1.84 10.12 ± 0.06 0.12 4.62 2.5 5.25 4.31
2.1/16 2.09 11.31 ± 0.06 0.12 5.19 2.81 6.06 5
2.9/16 2.59 12.81 ± 0.06 0.12 5.94 3.12 6.81 5.69
3.1/16 3.09 14.06 ± 0.06 0.12 6.75 3.38 7.56 6.31
4.1/16 4.09 17.56 ± 0.06 0.12 8.62 4.19 9.56 8.12
7.1/16 7.09 25.81 ± 0.12 0.25 13.88 6.5 15.19 13.31
9 9.03 31.69 ± 0.12 0.25 17.38 8.06 18.94 16.88
11 11.03 34.75 ± 0.12 0.25 19.88 8.81 22.31 20
13.5/8 13.66 45.75 ± 0.12 0.25 24.19 11.5 27.31 24.75

 

NPS Diameter Tolerance Length Ring Noumber Of L R P Number Of Diameter Of
Normal Pipe Size Bolt Holes Bolt Hole Bolts RX and R Length
Hub
Radius Hub Diameter Bolt
Circle
Bolts Bolts
1.13/16 1.12 +0.06 7.5 151 1.94 0.38 8 8 1
2.1/16 1.25 +0.06 8.25 152 2.06 0.38 9.06 8 1.1/8
2.9/16 1.38 +0.06 9.25 153 2.31 0.38 10.31 8 1.1/4
3.1/16 1.5 +0.06 10 154 2.5 0.38 11.31 8 1.3/8
4.1/16 1.88 +0.09 12.25 155 2.88 0.38 14.06 8 1.3/4
7.1/16 2.12 +0.09 17.5 156 3.81 0.62 21.81 16 2
9 2.62 +0.09 22.38 157 4.25 1 27 16 2.1/2
11 2.88 +0.09 23.75 158 4.06 1 29.5 16 2.3/4

 

Weight chart of API 6a flange :

API 6a 10000 psi flange in large diameter, check API 6a blind flange pressure rating, weight & dimension
Size In MM Weld Neck Weight in KG Number of Stud Bolts Per Set Blind Weight In KG
1 8.84 8 11.203
2 17.87 8 16.91
3 71.53 8 78.24
4 44.4 8 20.72
6 55.2 12 29.57
7 79.96 12 80.10
8 38.73 12 48.39
9 788.34 16 749.24
11 112.58 16 108.90
13 2302.02 20 2271.7
16 133.62 20 178.44
17 *** 20 294.47
20 *** 20 513.01
26 650.95 20 875.88
26 947.10 24 1163.91
30 1114.83 32 1469.59

Assumed API 6A flange import price and shipping time variations :

Angola Sudan Equatorial Guinea
Estimated Shipping 45 days 30 days 45-60 days
Extra cost 5% 5% 5%
Gabon Canada Mexico
Estimated Shipping 45-60 days 45 days 45 days
Extra cost 5% 5% 5%
Note: Refer updated price list from the reputable API 6A flange manufacturers, suppliers and stockis listed on pipingmaterial.ae