1. Products
2. Stainless
3. Nominal Bore
4. Flanges
5. Weld Neck
6. ANSI B16.5
7. ASA300
8. SCH40s
9. 304

304

DN15 (1/2 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304

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

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DN20 (3/4 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304

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

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DN25 (1 NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304

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

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DN32 (1"1/4 NB) SCHEDULE 40S 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

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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

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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

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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

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DN80 (3" NB) SCHEDULE 40S ASA300 WELD NECK FLANGE SS 304

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

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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

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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

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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

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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

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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

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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

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