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Blind Flanges – EN1092-1 Type 05 & ANSI B16.5

Integraflow supplies blind (blank) flanges to EN1092-1 Type 05 in S235JR for PN6 to PN40 pressure ratings, and to ANSI B16.5 in A105N for 150lb to 1500lb systems, sourced from European and Far Eastern mills, and available with 2.1 certification for S235JR and full 3.1 certification for A105N, ideal for securely blanking pipeline ends across a wide range of industrial and process applications.

DN100 (4" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 228.6mm
Flange thickness (C): 23.8mm
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DN100 (4" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 311.1mm
Flange thickness (C): 53.8mm
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DN100 (4" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 254.0mm
Flange thickness (C): 31.7mm
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DN100 (4" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 273.0mm
Flange thickness (C): 38.1mm
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DN100 (4" NB) PN10 / PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 220mm
Drilling (No. x Bolt Hole x L): 8 x M16 x 18mm
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£ 24.12 per item 24.12 GBP
DN100 (4" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 210mm (D)
PCD: 170mm (K)
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DN100 PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 235mm
Drilling (No. x Bolt Holes x L): 8 x M20 x 22mm
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DN1000 (40" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 1230mm
Drilling (No. x Bolt Holes x L): 28 x M33 x 36mm
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DN1000 (40" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 1255mm
Drilling (No. x Bolt Hole x L): 28 x M39 x 42mm
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£ 4,992.00 per item 4992.0 GBP
DN1000 (40" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 1175mm (D)
PCD: 1120mm (K)
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DN1200 (48" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 1455mm
Drilling (No. x Bolt Holes x L): 32 x M36 x 39mm
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DN1200 (48" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 1485mm
Drilling (No. x Bolt Hole x L): 32 x M45 x 48mm
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£ 6,656.00 per item 6656.0 GBP
DN1200 (48" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 1405mm (D)
PCD: 1340mm (K)
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DN125 (5" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 254.0mm
Flange thickness (C): 23.8mm
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DN125 (5" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 374.6mm
Flange thickness (C): 73.1mm
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DN125 (5" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 279.4mm
Flange thickness (C): 35.0mm
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DN125 (5" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 330.2mm
Flange thickness (C): 44.4mm
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DN125 (5" NB) PN10 / PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 250mm
Drilling (No. x Bolt Hole x L): 8 x M16 x 18mm
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£ 82.80 per item 82.8 GBP
DN125 (5" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 240mm (D)
PCD: 200mm (K)
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DN125 PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 270mm
Drilling (No. x Bolt Holes x L): 8 x M24 x 26mm
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DN15 (1/2" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 88.9mm
Flange thickness (C): 11.1mm
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DN15 (1/2" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 120.6mm
Flange thickness (C): 22.3mm
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DN15 (1/2" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 95.2mm
Flange thickness (C): 14.2mm
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DN15 (1/2" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 95.2mm
Flange thickness (C): 14.2mm
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DN15 (1/2" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 80mm (D)
PCD: 55mm (K)
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DN15 PN10 / PN16 / PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 95mm
Drilling (No. x Bolt Holes x L): 4 x M12 x 14mm
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DN150 (6" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 279.4mm
Flange thickness (C): 25.4mm
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DN150 (6" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 393.7mm
Flange thickness (C): 82.5mm
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DN150 (6" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 317.4mm
Flange thickness (C): 36.5mm
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£ 137.28 per item 137.28 GBP
DN150 (6" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 355.6mm
Flange thickness (C): 47.7mm
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DN150 (6" NB) PN10 / PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 285mm
Drilling (No. x Bolt Hole x L): 8 x M20 x 22mm
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DN150 (6" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 265mm (D)
PCD: 225mm (K)
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DN150 PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 300mm
Drilling (No. x Bolt Holes x L): 8 x M24 x 26mm
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DN20 (3/4" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 98.5mm
Flange thickness (C): 12.7mm
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DN20 (3/4" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 130.0mm
Flange thickness (C): 25.4mm
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DN20 (3/4" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
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DN20 (3/4" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
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DN20 (3/4" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 90mm (D)
PCD: 65mm (K)
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DN20 PN10 / PN16 / PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 105mm
Drilling (No. x Bolt Holes x L): 4 x M12 x 14mm
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DN200 (8" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 343.0mm
Flange thickness (C): 28.6mm
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DN200 (8" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 482.6mm
Flange thickness (C): 98.4mm
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DN200 (8" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 381.0mm
Flange thickness (C): 41.1mm
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DN200 (8" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 412.8mm
Flange thickness (C): 63.5mm
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DN200 (8" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 340mm
Drilling (No. x Bolt Holes x L): 8 x M20 x 22mm
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DN200 (8" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 340mm
Drilling (No. x Bolt Hole x L): 12 x M20 x 22mm
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£ 93.20 per item 93.2 GBP
DN200 (8" NB) PN25 FF BLIND FLANGE CS S235 JR
Flange OD (D): 360mm
Drilling (No. x Bolt Hole x L): 12 x M24 x 26mm
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DN200 (8" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 320mm (D)
PCD: 280mm (K)
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DN200 PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 375mm
Drilling (No. x Bolt Holes x L): 12 x M24 x 30mm
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DN25 (1" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 107.9mm
Flange thickness (C): 14.2mm
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£ 21.16 per item 21.16 GBP
DN25 (1" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 149.3mm
Flange thickness (C): 28.4mm
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DN25 (1" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 123.9mm
Flange thickness (C): 17.5mm
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DN25 (1" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 123.9mm
Flange thickness (C): 17.5mm
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DN25 (1" NB) PN16/40 FF BLIND FLANGE CS A105N
Flange overall diameter: 115mm (D)
PCD: 85mm (K)
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£ 10.60 per item 10.6 GBP
DN25 (1" NB) PN16/40 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 115mm (D)
PCD: 85mm (K)
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£ 7.16 per item 7.16 GBP
DN25 (1" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 100mm (D)
PCD: 75mm (K)
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DN25 PN10 / PN16 / PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 115mm
Drilling (No. x Bolt Holes x L): 4 x M12 x 14mm
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DN250 (10" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 406.4mm
Flange thickness (C): 30.2mm
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DN250 (10" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 584.2mm
Flange thickness (C): 107.9mm
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DN250 (10" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 444.5mm
Flange thickness (C): 47.7mm
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DN250 (10" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 508.0mm
Flange thickness (C): 69.9mm
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DN250 (10" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 395mm
Drilling (No. x Bolt Holes x L): 12 x M20 x 22mm
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DN250 (10" NB) PN25 FF BLIND FLANGE CS S235 JR
Flange OD (D): 425mm
Drilling (No. x Bolt Hole x L): 12 x M27 x 30mm
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DN250 (10" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 375mm (D)
PCD: 335mm (K)
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DN250 PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 450mm
Drilling (No. x Bolt Holes x L): 12 x M24 x 33mm
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DN250(10" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 405mm
Drilling (No. x Bolt Hole x L): 12 x M24 x 26mm
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£ 119.68 per item 119.68 GBP
DN300 (12" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 482.6mm
Flange thickness (C): 31.7mm
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DN300 (12" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 673.1mm
Flange thickness (C): 123.9mm
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DN300 (12" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 520.7mm
Flange thickness (C): 50.8mm
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DN300 (12" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 558.8mm
Flange thickness (C): 66.5mm
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DN300 (12" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 445mm
Drilling (No. x Bolt Holes x L): 12 x M20 x 22mm
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DN300 (12" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 460mm
Drilling (No. x Bolt Hole x L): 12 x M24 x 26mm
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£ 176.08 per item 176.08 GBP
DN300 (12" NB) PN25 FF BLIND FLANGE CS S235 JR
Flange OD (D): 485mm
Drilling (No. x Bolt Hole x L): 16 x M27 x 30mm
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DN300 (12" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 440mm (D)
PCD: 395mm (K)
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DN300 PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 515mm
Drilling (No. x Bolt Holes x L): 16 x M24 x 33mm
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DN32 (1.1/4" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 117.3mm
Flange thickness (C): 15.7mm
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DN32 (1.1/4" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 158.7mm
Flange thickness (C): 28.4mm
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DN32 (1.1/4" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 133.3mm
Flange thickness (C): 19.0mm
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DN32 (1.1/4" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 133.3mm
Flange thickness (C): 20.5mm
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DN32 (1.1/4" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 120mm (D)
PCD: 70mm (K)
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DN32 PN10 / PN16 / PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 140mm
Drilling (No. x Bolt Holes x L): 4 x M16 x 18mm
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DN350 (14" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 533.4mm
Flange thickness (C): 35.0mm
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DN350 (14" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 749.3mm
Flange thickness (C): 133.3mm
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DN350 (14" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 584.2mm
Flange thickness (C): 53.8mm
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DN350 (14" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 603.2mm
Flange thickness (C): 69.8mm
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DN350 (14" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 505mm
Drilling (No. x Bolt Holes x L): 16 x M20 x 22mm
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£ 228.80 per item 228.8 GBP
DN350 (14" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 520mm
Drilling (No. x Bolt Hole x L): 16 x M24 x 26mm
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£ 249.60 per item 249.6 GBP
DN350 (14" NB) PN25 FF BLIND FLANGE CS S235 JR
Flange OD (D): 555mm
Drilling (No. x Bolt Hole x L): 16 x M30 x 33mm
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DN350 (14" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 490mm (D)
PCD: 445mm (K)
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DN350 PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 580mm
Drilling (No. x Bolt Holes x L): 16 x M36 x 36mm
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DN40 (1.1/2" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
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£ 15.32 per item 15.32 GBP
DN40 (1.1/2" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 177.8mm
Flange thickness (C): 31.7mm
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DN40 (1.1/2" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 155.4mm
Flange thickness (C): 20.5mm
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DN40 (1.1/2" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 155.4mm
Flange thickness (C): 22.3mm
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DN40 (1.1/2" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 130mm (D)
PCD: 100mm (K)
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DN40 PN10 / PN16 / PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 150mm
Drilling (No. x Bolt Holes x L): 4 x M16 x 18mm
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DN400 (16" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 596.9mm
Flange thickness (C): 36.5mm
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DN400 (16" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 825.5mm
Flange thickness (C): 146.0mm
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DN400 (16" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 647.7mm
Flange thickness (C): 57.1mm
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DN400 (16" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 685.8mm
Flange thickness (C): 79.2mm
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DN400 (16" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 565mm
Drilling (No. x Bolt Holes x L): 16 x M24 x 26mm
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