Skip to Content

SCH40s

DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£38.99 each
List Price – Sign in to view Trade Prices 38.99 GBP
DN15 (1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£36.05 each
List Price – Sign in to view Trade Prices 36.05 GBP
DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£57.75 each
List Price – Sign in to view Trade Prices 57.75 GBP
DN20 (3/4" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£52.99 each
List Price – Sign in to view Trade Prices 52.99 GBP
DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£47.88 each
List Price – Sign in to view Trade Prices 47.88 GBP
DN25 (1" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£69.09 each
List Price – Sign in to view Trade Prices 69.09 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

Part of our Flanges and Flanged Connections Range
£97.09 each
List Price – Sign in to view Trade Prices 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

Part of our Flanges and Flanged Connections Range
£77.35 each
List Price – Sign in to view Trade Prices 77.35 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

Part of our Flanges and Flanged Connections Range
£124.81 each
List Price – Sign in to view Trade Prices 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

Part of our Flanges and Flanged Connections Range
£133.98 each
List Price – Sign in to view Trade Prices 133.98 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

Part of our Flanges and Flanged Connections Range
£169.54 each
List Price – Sign in to view Trade Prices 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

Part of our Flanges and Flanged Connections Range
£178.85 each
List Price – Sign in to view Trade Prices 178.85 GBP
DN65 (2.1/2" NB) SCHEDULE 40S 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

Part of our Flanges and Flanged Connections Range
£278.25 each
List Price – Sign in to view Trade Prices 278.25 GBP
DN65 (2.1/2" NB) SCHEDULE 40S 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

Part of our Flanges and Flanged Connections Range
£279.16 each
List Price – Sign in to view Trade Prices 279.16 GBP
DN80 (3" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
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: 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
£273.84 each
List Price – Sign in to view Trade Prices 273.84 GBP
DN80 (3" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
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: 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
£323.82 each
List Price – Sign in to view Trade Prices 323.82 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
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
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
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