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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

DN32 (1"1/4 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
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 80S ASA300 WELD NECK FLANGE SS 316
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 10S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 60.55 60.55 GBP
DN32 (1.1/4" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 112.77 112.77 GBP
DN32 (1.1/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 97.09 97.09 GBP
DN32 (1.1/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 77.35 77.35 GBP
DN32 (1.1/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
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: 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
Contact us for pricing 0.0 GBP
DN32 (1.1/4" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
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: 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
Contact us for pricing 0.0 GBP
DN40 (1"1/2 NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
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 10S ASA300 WELD NECK FLANGE SS 316
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
£ 269.78 269.78 GBP
DN40 (1"1/2 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
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 40S ASA300 WELD NECK FLANGE SS 316
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
£ 197.47 197.47 GBP
DN40 (1"1/2 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
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 80S ASA300 WELD NECK FLANGE SS 316
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 10S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 94.08 94.08 GBP
DN40 (1.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 110.39 110.39 GBP
DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 124.81 124.81 GBP
DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 133.98 133.98 GBP
DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
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: 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
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
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: 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
Contact us for pricing 0.0 GBP
DN50 (2 NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
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 10S ASA300 WELD NECK FLANGE SS 316
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
£ 312.06 312.06 GBP
DN50 (2 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
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 40S ASA300 WELD NECK FLANGE SS 316
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
£ 229.25 229.25 GBP
DN50 (2 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
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 80S ASA300 WELD NECK FLANGE SS 316
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 10S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 155.12 155.12 GBP
DN50 (2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 172.06 172.06 GBP
DN50 (2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 169.54 169.54 GBP
DN50 (2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 178.85 178.85 GBP
DN50 (2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
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: 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
Contact us for pricing 0.0 GBP
DN50 (2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
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: 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
Contact us for pricing 0.0 GBP
DN65 (2"1/2 NB) SCHEDULE 10S ASA300 WELD NECK FLANGE SS 304
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 10S ASA300 WELD NECK FLANGE SS 316
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
£ 294.28 294.28 GBP
DN65 (2"1/2 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304
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 40S ASA300 WELD NECK FLANGE SS 316
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
£ 338.24 338.24 GBP
DN65 (2"1/2 NB) SCHEDULE 80S ASA300 WELD NECK FLANGE SS 304
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 80S ASA300 WELD NECK FLANGE SS 316
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 10S ASA150 WELD NECK FLANGE SS 304
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: 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
£ 262.64 262.64 GBP
DN65 (2.1/2" NB) SCHEDULE 10S ASA150 WELD NECK FLANGE SS 316
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: 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
£ 332.15 332.15 GBP