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Weld Neck

Stainless Steel Weld Neck Flanges – EN1092-1 & ANSI B16.5

Integraflow supplies stainless steel weld neck flanges in 304 (1.4301) and 316L (1.4404) grades, manufactured to both EN1092-1 and ANSI/ASME B16.5 standards with pressure ratings from PN6 to PN40 and 150lb to 1500lb, providing a high-strength, welded connection solution for critical applications in industrial, hygienic, and process pipework systems.

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Weld Neck

DN100 (4" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
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

Part of our Flanges and Flanged Connections Range
£962.15 each
List Price – Sign in to view Trade Prices 962.15 GBP
DN100 (4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£368.69 each
List Price – Sign in to view Trade Prices 368.69 GBP
DN100 (4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£677.74 each
List Price – Sign in to view Trade Prices 677.74 GBP
DN100 (4" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
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

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 316
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

Part of our Flanges and Flanged Connections Range
£847.63 each
List Price – Sign in to view Trade Prices 847.63 GBP
DN100 (4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
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: Stainless Steel 304
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
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: Stainless Steel 316
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
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

Part of our Flanges and Flanged Connections Range
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DN125 (5 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
Hub height (X): 177.8mm
Length through hub (A): 141.2mm
Bolt circle diameter (K): 234.9mm
Overall height (Y): 98.5mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 15.2kg

Part of our Flanges and Flanged Connections Range
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DN125 (5" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
Hub length (X): 163.5mm
Neck height (A): 141.2mm
Pitch circle diameter (K): 215.9mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 185.6mm
Number of bolt holes: 8
Material: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£529.20 each
List Price – Sign in to view Trade Prices 529.2 GBP
DN125 (5" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
Hub length (X): 163.5mm
Neck height (A): 141.2mm
Pitch circle diameter (K): 215.9mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 185.6mm
Number of bolt holes: 8
Material: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£493.99 each
List Price – Sign in to view Trade Prices 493.99 GBP
DN125 (5" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
Hub height (X): 177.8mm
Length through hub (A): 141.2mm
Bolt circle diameter (K): 234.9mm
Overall height (Y): 98.5mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 15.2kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN125 (5" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
Hub height (X): 177.8mm
Length through hub (A): 141.2mm
Bolt circle diameter (K): 234.9mm
Overall height (Y): 98.5mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 15.2kg

Part of our Flanges and Flanged Connections Range
£1256.85 each
List Price – Sign in to view Trade Prices 1256.85 GBP
DN125 (5" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
Hub length (X): 163.5mm
Neck height (A): 141.2mm
Pitch circle diameter (K): 215.9mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 185.6mm
Number of bolt holes: 8
Material: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£591.57 each
List Price – Sign in to view Trade Prices 591.57 GBP
DN125 (5" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
Hub length (X): 163.5mm
Neck height (A): 141.2mm
Pitch circle diameter (K): 215.9mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 185.6mm
Number of bolt holes: 8
Material: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£797.09 each
List Price – Sign in to view Trade Prices 797.09 GBP
DN125 (5" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
Hub height (X): 177.8mm
Length through hub (A): 141.2mm
Bolt circle diameter (K): 234.9mm
Overall height (Y): 98.5mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 15.2kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN125 (5" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
Hub height (X): 177.8mm
Length through hub (A): 141.2mm
Bolt circle diameter (K): 234.9mm
Overall height (Y): 98.5mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 15.2kg

Part of our Flanges and Flanged Connections Range
£1300.18 each
List Price – Sign in to view Trade Prices 1300.18 GBP
DN125 (5" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
Hub length (X): 163.5mm
Neck height (A): 141.2mm
Pitch circle diameter (K): 215.9mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 185.6mm
Number of bolt holes: 8
Material: Stainless Steel 304
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN125 (5" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
Hub length (X): 163.5mm
Neck height (A): 141.2mm
Pitch circle diameter (K): 215.9mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 185.6mm
Number of bolt holes: 8
Material: Stainless Steel 316
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN125 (5" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
Hub height (X): 177.8mm
Length through hub (A): 141.2mm
Bolt circle diameter (K): 234.9mm
Overall height (Y): 98.5mm
Raised face thickness (RF): 1.5mm
Bore (B): 157.2mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 15.2kg

Part of our Flanges and Flanged Connections Range
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DN150 (6 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 317.5mm
Flange thickness (C): 36.5mm
Hub height (X): 206.2mm
Length through hub (A): 168.4mm
Bolt circle diameter (K): 269.7mm
Overall height (Y): 108.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 215.9mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 20.2kg

Part of our Flanges and Flanged Connections Range
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DN150 (6" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 317.5mm
Flange thickness (C): 36.5mm
Hub height (X): 206.2mm
Length through hub (A): 168.4mm
Bolt circle diameter (K): 269.7mm
Overall height (Y): 108.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 215.9mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 20.2kg

Part of our Flanges and Flanged Connections Range
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DN150 (6" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 317.5mm
Flange thickness (C): 36.5mm
Hub height (X): 206.2mm
Length through hub (A): 168.4mm
Bolt circle diameter (K): 269.7mm
Overall height (Y): 108.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 215.9mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 20.2kg

Part of our Flanges and Flanged Connections Range
£1621.76 each
List Price – Sign in to view Trade Prices 1621.76 GBP
DN150 (6" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 317.5mm
Flange thickness (C): 36.5mm
Hub height (X): 206.2mm
Length through hub (A): 168.4mm
Bolt circle diameter (K): 269.7mm
Overall height (Y): 108.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 215.9mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 20.2kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN150 (6" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 317.5mm
Flange thickness (C): 36.5mm
Hub height (X): 206.2mm
Length through hub (A): 168.4mm
Bolt circle diameter (K): 269.7mm
Overall height (Y): 108.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 215.9mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 20.2kg

Part of our Flanges and Flanged Connections Range
£1745.73 each
List Price – Sign in to view Trade Prices 1745.73 GBP
DN150 (6" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 279.4mm
Flange thickness (C): 25.4mm
Hub length (X): 190.5mm
Neck height (A): 241.3mm
Pitch circle diameter (K): 241.3mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 215.9mm
Number of bolt holes: 8
Material: Stainless Steel 304
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN150 (6" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 279.4mm
Flange thickness (C): 25.4mm
Hub length (X): 190.5mm
Neck height (A): 241.3mm
Pitch circle diameter (K): 241.3mm
Hub base diameter (Y): 88.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 215.9mm
Number of bolt holes: 8
Material: Stainless Steel 316
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN150 (6" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 317.5mm
Flange thickness (C): 36.5mm
Hub height (X): 206.2mm
Length through hub (A): 168.4mm
Bolt circle diameter (K): 269.7mm
Overall height (Y): 108.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 215.9mm
Number of bolt holes: 8
Bolt hole diameter: 22.3mm
Approx. weight: 20.2kg

Part of our Flanges and Flanged Connections Range
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DN200 (8 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
Hub height (X): 260.3mm
Length through hub (A): 219.2mm
Bolt circle diameter (K): 304.8mm
Overall height (Y): 111.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 269.7mm
Number of bolt holes: 12
Bolt hole diameter: 25.4mm
Approx. weight: 31.0kg

Part of our Flanges and Flanged Connections Range
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DN200 (8" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 342.9mm
Flange thickness (C): 28.6mm
Hub length (X): 241.3mm
Neck height (A): 293.1mm
Pitch circle diameter (K): 298.4mm
Hub base diameter (Y): 108.0mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 269.7mm
Number of bolt holes: 8
Material: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£809.90 each
List Price – Sign in to view Trade Prices 809.9 GBP
DN200 (8" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 342.9mm
Flange thickness (C): 28.6mm
Hub length (X): 241.3mm
Neck height (A): 293.1mm
Pitch circle diameter (K): 298.4mm
Hub base diameter (Y): 108.0mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 269.7mm
Number of bolt holes: 8
Material: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£1288.63 each
List Price – Sign in to view Trade Prices 1288.63 GBP
DN200 (8" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
Hub height (X): 260.3mm
Length through hub (A): 219.2mm
Bolt circle diameter (K): 304.8mm
Overall height (Y): 111.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 269.7mm
Number of bolt holes: 12
Bolt hole diameter: 25.4mm
Approx. weight: 31.0kg

Part of our Flanges and Flanged Connections Range
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DN200 (8" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
Hub height (X): 260.3mm
Length through hub (A): 219.2mm
Bolt circle diameter (K): 316.8mm
Overall height (Y): 111.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 269.7mm
Number of bolt holes: 12
Bolt hole diameter: 25.4mm
Approx. weight: 31.0kg

Part of our Flanges and Flanged Connections Range
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DN200 (8" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 342.9mm
Flange thickness (C): 28.6mm
Hub length (X): 241.3mm
Neck height (A): 293.1mm
Pitch circle diameter (K): 298.4mm
Hub base diameter (Y): 108.0mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 269.7mm
Number of bolt holes: 8
Material: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£1202.67 each
List Price – Sign in to view Trade Prices 1202.67 GBP
DN200 (8" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 342.9mm
Flange thickness (C): 28.6mm
Hub length (X): 241.3mm
Neck height (A): 293.1mm
Pitch circle diameter (K): 298.4mm
Hub base diameter (Y): 108.0mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 269.7mm
Number of bolt holes: 8
Material: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£1060.64 each
List Price – Sign in to view Trade Prices 1060.64 GBP
DN200 (8" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
Hub height (X): 260.3mm
Length through hub (A): 219.2mm
Bolt circle diameter (K): 304.8mm
Overall height (Y): 111.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 269.7mm
Number of bolt holes: 12
Bolt hole diameter: 25.4mm
Approx. weight: 31.0kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN200 (8" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
Hub height (X): 260.3mm
Length through hub (A): 219.2mm
Bolt circle diameter (K): 316.8mm
Overall height (Y): 111.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 269.7mm
Number of bolt holes: 12
Bolt hole diameter: 25.4mm
Approx. weight: 31.0kg

Part of our Flanges and Flanged Connections Range
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DN200 (8" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 342.9mm
Flange thickness (C): 28.6mm
Hub length (X): 241.3mm
Neck height (A): 293.1mm
Pitch circle diameter (K): 298.4mm
Hub base diameter (Y): 108.0mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 269.7mm
Number of bolt holes: 8
Material: Stainless Steel 304
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
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DN200 (8" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 342.9mm
Flange thickness (C): 28.6mm
Hub length (X): 241.3mm
Neck height (A): 293.1mm
Pitch circle diameter (K): 298.4mm
Hub base diameter (Y): 108.0mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 269.7mm
Number of bolt holes: 8
Material: Stainless Steel 316
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
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DN200 (8" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
Hub height (X): 260.3mm
Length through hub (A): 219.2mm
Bolt circle diameter (K): 316.8mm
Overall height (Y): 111.2mm
Raised face thickness (RF): 1.5mm
Bore (B): 269.7mm
Number of bolt holes: 12
Bolt hole diameter: 25.4mm
Approx. weight: 31.0kg

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DN250 (10 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
Hub height (X): 320.5mm
Length through hub (A): 273.0mm
Bolt circle diameter (K): 336.6mm
Overall height (Y): 117.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 323.8mm
Number of bolt holes: 16
Bolt hole diameter: 28.4mm
Approx. weight: 44.3kg

Part of our Flanges and Flanged Connections Range
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DN250 (10" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 406.4mm
Flange thickness (C): 30.2mm
Hub length (X): 304 Stainless Steel.8mm
Neck height (A): 273.0mm
Pitch circle diameter (K): 361.9mm
Hub base diameter (Y): 101.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 323.8mm
Number of bolt holes: 12
Material: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£2087.75 each
List Price – Sign in to view Trade Prices 2087.75 GBP
DN250 (10" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 406.4mm
Flange thickness (C): 30.2mm
Hub length (X): 316 Stainless Steel.8mm
Neck height (A): 273.0mm
Pitch circle diameter (K): 361.9mm
Hub base diameter (Y): 101.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 323.8mm
Number of bolt holes: 12
Material: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£1411.48 each
List Price – Sign in to view Trade Prices 1411.48 GBP
DN250 (10" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
Hub height (X): 320.5mm
Length through hub (A): 273.0mm
Bolt circle diameter (K): 336.6mm
Overall height (Y): 117.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 323.8mm
Number of bolt holes: 16
Bolt hole diameter: 28.4mm
Approx. weight: 44.3kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN250 (10" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
Hub height (X): 320.5mm
Length through hub (A): 273.0mm
Bolt circle diameter (K): 336.6mm
Overall height (Y): 117.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 323.8mm
Number of bolt holes: 16
Bolt hole diameter: 28.4mm
Approx. weight: 44.3kg

Part of our Flanges and Flanged Connections Range
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DN250 (10" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 406.4mm
Flange thickness (C): 30.2mm
Hub length (X): 304 Stainless Steel.8mm
Neck height (A): 273.0mm
Pitch circle diameter (K): 361.9mm
Hub base diameter (Y): 101.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 323.8mm
Number of bolt holes: 12
Material: 304 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN250 (10" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 406.4mm
Flange thickness (C): 30.2mm
Hub length (X): 316 Stainless Steel.8mm
Neck height (A): 273.0mm
Pitch circle diameter (K): 361.9mm
Hub base diameter (Y): 101.6mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 323.8mm
Number of bolt holes: 12
Material: 316 Stainless Steel
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, Stainless Steel, RF

Part of our Flanges and Flanged Connections Range
£1582.91 each
List Price – Sign in to view Trade Prices 1582.91 GBP
DN250 (10" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
Hub height (X): 320.5mm
Length through hub (A): 273.0mm
Bolt circle diameter (K): 336.6mm
Overall height (Y): 117.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 323.8mm
Number of bolt holes: 16
Bolt hole diameter: 28.4mm
Approx. weight: 44.3kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN250 (10" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
Hub height (X): 320.5mm
Length through hub (A): 273.0mm
Bolt circle diameter (K): 336.6mm
Overall height (Y): 117.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 323.8mm
Number of bolt holes: 16
Bolt hole diameter: 28.4mm
Approx. weight: 44.3kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN250 (10" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
Hub height (X): 320.5mm
Length through hub (A): 273.0mm
Bolt circle diameter (K): 336.6mm
Overall height (Y): 117.3mm
Raised face thickness (RF): 1.5mm
Bore (B): 323.8mm
Number of bolt holes: 16
Bolt hole diameter: 28.4mm
Approx. weight: 44.3kg

Part of our Flanges and Flanged Connections Range
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DN300 (12 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
Hub height (X): 374.6mm
Length through hub (A): 323.8mm
Bolt circle diameter (K): 406.4mm
Overall height (Y): 130.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 381.0mm
Number of bolt holes: 16
Bolt hole diameter: 31.7mm
Approx. weight: 64.0kg

Part of our Flanges and Flanged Connections Range
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DN300 (12" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
Hub height (X): 374.6mm
Length through hub (A): 323.8mm
Bolt circle diameter (K): 406.4mm
Overall height (Y): 130.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 381.0mm
Number of bolt holes: 16
Bolt hole diameter: 31.7mm
Approx. weight: 64.0kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN300 (12" NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
Hub height (X): 374.6mm
Length through hub (A): 323.8mm
Bolt circle diameter (K): 406.4mm
Overall height (Y): 130.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 381.0mm
Number of bolt holes: 16
Bolt hole diameter: 31.7mm
Approx. weight: 64.0kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN300 (12" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
Hub height (X): 374.6mm
Length through hub (A): 323.8mm
Bolt circle diameter (K): 406.4mm
Overall height (Y): 130.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 381.0mm
Number of bolt holes: 16
Bolt hole diameter: 31.7mm
Approx. weight: 64.0kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN300 (12" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
Hub height (X): 374.6mm
Length through hub (A): 323.8mm
Bolt circle diameter (K): 406.4mm
Overall height (Y): 130.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 381.0mm
Number of bolt holes: 16
Bolt hole diameter: 31.7mm
Approx. weight: 64.0kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN300 (12" NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 316
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
Hub height (X): 374.6mm
Length through hub (A): 323.8mm
Bolt circle diameter (K): 406.4mm
Overall height (Y): 130.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 381.0mm
Number of bolt holes: 16
Bolt hole diameter: 31.7mm
Approx. weight: 64.0kg

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP