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ANSI B16.5

ANSI B16.5 Weld Neck Flanges – A105N, Schedule 20 to Schedule 160

Integraflow offers a wide selection of weld neck flanges to ANSI/ASME B16.5, manufactured from A105N carbon steel and available in pressure classes from 150lb up to 1500lb, with bore preparations to suit Schedule 20, 40, 80, 160, XS, and XXS pipe. Sourced from both European and Far Eastern mills, all flanges are supplied with full EN 10204 3.1 certification, providing a reliable, high-strength solution for demanding welded pipeline applications.
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ANSI B16.5

DN15 (1/2 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 95.2mm
Flange thickness (C): 14.2mm
Hub height (X): 38.1mm
Length through hub (A): 21.3mm
Bolt circle diameter (K): 66.5mm
Overall height (Y): 52.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 35.0mm
Number of bolt holes: 4
Bolt hole diameter: 15.7mm
Approx. weight: 0.9kg
Contact us for pricing 0.0 GBP
DN15 (1/2 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 95.2mm
Flange thickness (C): 14.2mm
Hub height (X): 38.1mm
Length through hub (A): 21.3mm
Bolt circle diameter (K): 66.5mm
Overall height (Y): 52.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 35.0mm
Number of bolt holes: 4
Bolt hole diameter: 15.7mm
Approx. weight: 0.9kg
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN15 (1/2" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
Hub length (X): 30.2mm
Neck height (A): 21.3mm
Pitch circle diameter (K): 60.4mm
Hub base diameter (Y): 47.7mm
Raised face height (RF): 15.7mm
Raised face diameter (R): 35.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN20 (3/4 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
Hub height (X): 47.7mm
Length through hub (A): 26.6mm
Bolt circle diameter (K): 82.5mm
Overall height (Y): 57.1mm
Raised face thickness (RF): 1.5mm
Bore (B): 42.9mm
Number of bolt holes: 4
Bolt hole diameter: 19.0mm
Approx. weight: 1.5kg
Contact us for pricing 0.0 GBP
DN20 (3/4 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
Hub height (X): 47.7mm
Length through hub (A): 26.6mm
Bolt circle diameter (K): 82.5mm
Overall height (Y): 57.1mm
Raised face thickness (RF): 1.5mm
Bore (B): 42.9mm
Number of bolt holes: 4
Bolt hole diameter: 19.0mm
Approx. weight: 1.5kg
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCH80/XS ASA150 RF SOCKET WELD FLANGE CS A105N (EUROPEAN ORIGIN)
Suits an outside diameter (OD) of: 26.9mm
Material: CS
Grade: A105 N
Standards: ANSI / ASA150
Flange Face: Raised
Bolt Holes: 4 off 15.7mm Ø
PCD: 69.8mm
Flange Diameter: 98.5mm
Flange Thickness: 12.7mm
Certification Available: 3.1 Material Certification
Origin: European (EU)

Alternative terminology:
Raised Face, Socket Weld SW, Weld on, Mild Steel, Carbon Steel
£ 65.94 65.94 GBP
DN20 (3/4" NB) SCH80/XS ASA150 RF WELD NECK FLANGE CS A105N (EUROPEAN ORIGIN)
Suits an outside diameter (OD) of: 26.9mm
Material: CS
Grade: A105 N
Standards: ANSI / ASA150
Flange Face: Raised
Bolt Holes: 16 off 15.7mm Ø
PCD: 69.8mm
Flange Diameter: 98.5mm
Flange Thickness: 12.7mm
Certification Available: 3.1 Material Certification
Origin: European (EU)

Alternative terminology:
Raised Face, Weld Neck, Weld on, Mild Steel, Carbon Steel
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN20 (3/4" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
Hub length (X): 38.1mm
Neck height (A): 26.6mm
Pitch circle diameter (K): 69.8mm
Hub base diameter (Y): 52.3mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 42.9mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN25 (1 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 123.9mm
Flange thickness (C): 17.5mm
Hub height (X): 53.8mm
Length through hub (A): 33.5mm
Bolt circle diameter (K): 88.9mm
Overall height (Y): 61.9mm
Raised face thickness (RF): 1.5mm
Bore (B): 50.8mm
Number of bolt holes: 4
Bolt hole diameter: 19.0mm
Approx. weight: 1.9kg
Contact us for pricing 0.0 GBP
DN25 (1 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 123.9mm
Flange thickness (C): 17.5mm
Hub height (X): 53.8mm
Length through hub (A): 33.5mm
Bolt circle diameter (K): 88.9mm
Overall height (Y): 61.9mm
Raised face thickness (RF): 1.5mm
Bore (B): 50.8mm
Number of bolt holes: 4
Bolt hole diameter: 19.0mm
Approx. weight: 1.9kg
Contact us for pricing 0.0 GBP
DN25 (1" NB) SCH40/STD ASA300 RF WELD NECK FLANGE CS A105N (EUROPEAN ORIGIN)
Suits an outside diameter (OD) of: 33.4mm
Material: CS
Grade: A105 N
Standards: ANSI / ASA300
Flange Face: Raised
Bolt Holes: 16 off 19mm Ø
PCD: 88.9mm
Flange Diameter: 123.9mm
Flange Thickness: 17.5mm
Certification Available: 3.1 Material Certification
Origin: European (EU)

Alternative terminology:
Raised Face, Weld Neck, Weld on, Mild Steel, Carbon Steel
£ 210.00 210.0 GBP
DN25 (1" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
Hub length (X): 49.2mm
Neck height (A): 33.5mm
Pitch circle diameter (K): 79.2mm
Hub base diameter (Y): 55.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 50.8mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN25 (1" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
Hub length (X): 49.2mm
Neck height (A): 33.5mm
Pitch circle diameter (K): 79.2mm
Hub base diameter (Y): 55.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 50.8mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN32 (1"1/4 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 133.3mm
Flange thickness (C): 19.0mm
Hub height (X): 63.5mm
Length through hub (A): 42.1mm
Bolt circle diameter (K): 98.5mm
Overall height (Y): 65.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 63.5mm
Number of bolt holes: 4
Bolt hole diameter: 19.0mm
Approx. weight: 2.6kg
Contact us for pricing 0.0 GBP
DN32 (1"1/4 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 133.3mm
Flange thickness (C): 19.0mm
Hub height (X): 63.5mm
Length through hub (A): 42.1mm
Bolt circle diameter (K): 98.5mm
Overall height (Y): 65.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 63.5mm
Number of bolt holes: 4
Bolt hole diameter: 19.0mm
Approx. weight: 2.6kg
Contact us for pricing 0.0 GBP
DN32 (1.1/4" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
Hub length (X): 58.6mm
Neck height (A): 43.1mm
Pitch circle diameter (K): 88.9mm
Hub base diameter (Y): 57.1mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 63.5mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN32 (1.1/4" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
Hub length (X): 58.6mm
Neck height (A): 43.1mm
Pitch circle diameter (K): 88.9mm
Hub base diameter (Y): 57.1mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 63.5mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN40 (1"1/2 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 155.4mm
Flange thickness (C): 20.5mm
Hub height (X): 69.8mm
Length through hub (A): 48.2mm
Bolt circle diameter (K): 114.3mm
Overall height (Y): 68.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 73.1mm
Number of bolt holes: 4
Bolt hole diameter: 22.3mm
Approx. weight: 3.3kg
Contact us for pricing 0.0 GBP
DN40 (1"1/2 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 155.4mm
Flange thickness (C): 20.5mm
Hub height (X): 69.8mm
Length through hub (A): 48.2mm
Bolt circle diameter (K): 114.3mm
Overall height (Y): 68.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 73.1mm
Number of bolt holes: 4
Bolt hole diameter: 22.3mm
Approx. weight: 3.3kg
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN50 (2 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 165.1mm
Flange thickness (C): 22.3mm
Hub height (X): 84.0mm
Length through hub (A): 60.4mm
Bolt circle diameter (K): 127.0mm
Overall height (Y): 69.8mm
Raised face thickness (RF): 1.5mm
Bore (B): 73.1mm
Number of bolt holes: 8
Bolt hole diameter: 19.0mm
Approx. weight: 4.0kg
Contact us for pricing 0.0 GBP
DN50 (2 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 165.1mm
Flange thickness (C): 22.3mm
Hub height (X): 84.0mm
Length through hub (A): 60.4mm
Bolt circle diameter (K): 127.0mm
Overall height (Y): 69.8mm
Raised face thickness (RF): 1.5mm
Bore (B): 73.1mm
Number of bolt holes: 8
Bolt hole diameter: 19.0mm
Approx. weight: 4.0kg
Contact us for pricing 0.0 GBP
DN50 (2" NB) SCH40/STD ASA150 RF WELD NECK FLANGE CS A105N (EUROPEAN ORIGIN)
Suits an outside diameter (OD) of: 60.3mm
Material: CS
Grade: A105 N
Standards: ANSI / ASA150
Flange Face: Raised
Bolt Holes: 4 off 19mm Ø
PCD: 120.6mm
Flange Diameter: 152.4mm
Flange Thickness: 19.0mm
Certification Available: 3.1 Material Certification
Origin: European (EU)

Alternative terminology:
Raised Face, Weld Neck, Weld on, Mild Steel, Carbon Steel
£ 91.42 91.42 GBP
DN50 (2" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 152.4mm
Flange thickness (C): 19.0mm
Hub length (X): 77.7mm
Neck height (A): 60.4mm
Pitch circle diameter (K): 120.6mm
Hub base diameter (Y): 63.5mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 91.9mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN50 (2" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 152.4mm
Flange thickness (C): 19.0mm
Hub length (X): 77.7mm
Neck height (A): 60.4mm
Pitch circle diameter (K): 120.6mm
Hub base diameter (Y): 63.5mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 91.9mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN65 (2"1/2 NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg
Contact us for pricing 0.0 GBP
DN65 (2"1/2 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 190.5mm
Flange thickness (C): 25.4mm
Hub height (X): 100.0mm
Length through hub (A): 73.1mm
Bolt circle diameter (K): 149.3mm
Overall height (Y): 76.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 5.4kg
Contact us for pricing 0.0 GBP
DN65 (2.1/2" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 177.8mm
Flange thickness (C): 22.3mm
Hub length (X): 90.4mm
Neck height (A): 73.1mm
Pitch circle diameter (K): 139.7mm
Hub base diameter (Y): 69.8mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 104.6mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN65 (2.1/2" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 177.8mm
Flange thickness (C): 22.3mm
Hub length (X): 90.4mm
Neck height (A): 73.1mm
Pitch circle diameter (K): 139.7mm
Hub base diameter (Y): 69.8mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 104.6mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN80 (3 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 209.5mm
Flange thickness (C): 28.4mm
Hub height (X): 117.3mm
Length through hub (A): 88.9mm
Bolt circle diameter (K): 168.1mm
Overall height (Y): 79.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 7.4kg
Contact us for pricing 0.0 GBP
DN80 (3" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 190.5mm
Flange thickness (C): 23.8mm
Hub length (X): 101.6mm
Neck height (A): 88.9mm
Pitch circle diameter (K): 152.4mm
Hub base diameter (Y): 69.8mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 127.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN80 (3" NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 209.5mm
Flange thickness (C): 28.4mm
Hub height (X): 117.3mm
Length through hub (A): 88.9mm
Bolt circle diameter (K): 168.1mm
Overall height (Y): 79.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 127.0mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 7.4kg
Contact us for pricing 0.0 GBP
DN80 (3" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 190.5mm
Flange thickness (C): 23.8mm
Hub length (X): 101.6mm
Neck height (A): 88.9mm
Pitch circle diameter (K): 152.4mm
Hub base diameter (Y): 69.8mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 127.0mm
Number of bolt holes: 4
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN100 (4 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 254.0mm
Flange thickness (C): 31.7mm
Hub height (X): 146.0mm
Length through hub (A): 114.3mm
Bolt circle diameter (K): 203.2mm
Overall height (Y): 85.8mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 11.9kg
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 228.6mm
Flange thickness (C): 23.8mm
Hub length (X): 114.3mm
Neck height (A): 105.0mm
Pitch circle diameter (K): 190.5mm
Hub base diameter (Y): 76.2mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 157.2mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 254.0mm
Flange thickness (C): 31.7mm
Hub height (X): 146.0mm
Length through hub (A): 114.3mm
Bolt circle diameter (K): 203.2mm
Overall height (Y): 85.8mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 11.9kg
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 228.6mm
Flange thickness (C): 23.8mm
Hub length (X): 114.3mm
Neck height (A): 105.0mm
Pitch circle diameter (K): 190.5mm
Hub base diameter (Y): 76.2mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 157.2mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Carbon Steel, RF
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