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Flanges

Steel Flanges – EN1092-1 & ANSI/ASME B16.5

Integraflow offers a full range of carbon steel flanges to both BS EN1092-1 (BS4504) and ANSI/ASME B16.5standards, including Plate and Bossed (PN6–PN40) and Forged Class 150 to 2500 flanges in sizes from ½” to 48” (15mm to 1200mm), manufactured from S235JR, ASTM A105N, A350 LF2, and A694, with optional custom machining for taper bores, special drilling and tapping, and bolt hole modification available to suit your system requirements.

DN450 (18 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 711.2mm
Flange thickness (C): 60.4mm
Hub height (X): 533.4mm
Length through hub (A): 457.2mm
Bolt circle diameter (K): 495.3mm
Overall height (Y): 158.7mm
Raised face thickness (RF): 1.5mm
Bore (B): 533.4mm
Number of bolt holes: 24
Bolt hole diameter: 35.0mm
Approx. weight: 134.0kg
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 635.0mm
Flange thickness (C): 39.6mm
Pitch circle diameter (K): 577.8mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 533.4mm
Number of bolt holes: 16
Material: A105N
Rating: ASA 150
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA150 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 635.0mm (O)
Flange thickness: 39.6mm (C)
Flange hub height: 68.3mm (Y)
Pitch Circle Diameter (PCD): 577.8mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 16 off 31.7mm diameter
Bore Diameter: 461.7mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 150LB, SOB
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 914.4mm
Flange thickness (C): 162.0mm
Pitch circle diameter (K): 774.7mm
Raised face height (RF): 6.3mm
Raised face diameter (R): 533.4mm
Number of bolt holes: 20
Material: A105N
Rating: ASA 1500
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA1500, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA1500 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 914.4mm (O)
Flange thickness: 162.0mm (C)
Flange hub height: 106.4mm (Y)
Pitch Circle Diameter (PCD): 774.7mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 16 off 73.1mm diameter
Bore Diameter: 461.7mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 1500LB, SOB
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 711.2mm
Flange thickness (C): 60.4mm
Pitch circle diameter (K): 628.6mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 533.4mm
Number of bolt holes: 24
Material: A105N
Rating: ASA 300
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA300 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 711.2mm (O)
Flange thickness: 60.4mm (C)
Flange hub height: 88.9mm (Y)
Pitch Circle Diameter (PCD): 628.6mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 24 off 35.0mm diameter
Bore Diameter: 461.7mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 300LB, SOB
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 742.9mm
Flange thickness (C): 82.5mm
Pitch circle diameter (K): 654.0mm
Raised face height (RF): 6.3mm
Raised face diameter (R): 533.4mm
Number of bolt holes: 20
Material: A105N
Rating: ASA 600
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA600, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN450 (18" NB) ASA600 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 742.9mm (O)
Flange thickness: 82.5mm (C)
Flange hub height: 117.3mm (Y)
Pitch Circle Diameter (PCD): 654.0mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 24 off 44.4mm diameter
Bore Diameter: 461.7mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 600LB, SOB
Contact us for pricing 0.0 GBP
DN450 (18" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 615mm
Drilling (No. x Bolt Holes x L): 20 x M24 x 26mm
Pitch circle diameter (K): 656mm
Flange thickness (C4): 36mm
Material: S235 JR
Rating: PN10
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN450 (18" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 640mm
Drilling (No. x Bolt Hole x L): 20 x M27 x 30mm
Pitch circle diameter (K): 585mm
Flange thickness (C1): 42mm
Raised face diameter (D1): 520mm
Raised face height (F1): 4mm
Material: S235 JR
Rating: PN16
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
£ 945.00 945.0 GBP
DN450 (18" NB) PN25 FF BLIND FLANGE CS S235 JR
Flange OD (D): 670mm
Drilling (No. x Bolt Hole x L): 20 x M33 x 36mm
Pitch circle diameter (K): 600mm
Flange thickness (C1): 54mm
Raised face diameter (D1): 520mm
Raised face height (F1): 4mm
Material: S235 JR
Rating: PN25
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN450 (18" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 595mm (D)
PCD: 550mm (K)
Bolt Holes: 16 off 22mm diameter (L)
Flange Thickness: 30mm (C4)
Diameter of Flat Face (RF): 520mm (D1)
Height of Flat Face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN450 (18" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR
Flange inside diameter of: 462.0mm (B1)
Flange overall diameter: 595mm (D)
PCD: 550mm (K)
Bolt Holes: 16 off 22mm diameter (L)
Flange Thickness: 30mm (C1)
Diameter of Raised Face (RF): 520mm (D1)
Height of raised face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, RFSO
Contact us for pricing 0.0 GBP
DN450 (18" NB) SCHEDULE 20 ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 635.0mm
Flange thickness (C): 39.6mm
Hub length (X): 504.7mm
Neck height (A): 577.8mm
Pitch circle diameter (K): 577.8mm
Hub base diameter (Y): 139.7mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 533.4mm
Number of bolt holes: 16
Material: A105N
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, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN450 (18" NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 711.2mm
Flange thickness (C): 60.4mm
Hub height (X): 533.4mm
Length through hub (A): 457.2mm
Bolt circle diameter (K): 495.3mm
Overall height (Y): 158.7mm
Raised face thickness (RF): 1.5mm
Bore (B): 533.4mm
Number of bolt holes: 24
Bolt hole diameter: 35.0mm
Approx. weight: 134.0kg
Contact us for pricing 0.0 GBP
DN450 PN10 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 615mm (D)
Flange inside diameter: 462.0mm (B1)
Flange thickness (C2): 36mm
Pitch Circle Diameter (PCD): 565mm (K)
Hub height: 63mm (H1)
Neck diameter: 502mm (N2)
Raised Face Diameter: 532mm (d1)
Height of Raised Face: 4mm (f1)
Bolt Holes: 20 off 26mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB
Contact us for pricing 0.0 GBP
DN450 PN10 RF SLIP ON PLATE FLANGE CS S235JR
Flange inside diameter of: 462.0mm (B1)
Flange overall diameter: 615mm (D)
PCD: 565mm (K)
Bolt Holes: 16 off 26mm diameter (L)
Flange Thickness: 36mm (C1)
Diameter of Raised Face (RF): 520mm (D1)
Height of raised face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification
£ 315.49 315.49 GBP
DN450 PN16 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 640mm (D)
Flange inside diameter: 462.0mm (B1)
Flange thickness (C2): 34mm
Pitch Circle Diameter (PCD): 585mm (K)
Hub height: 68mm (H1)
Neck diameter: 502mm (N2)
Raised Face Diameter: 550mm (d1)
Height of Raised Face: 4mm (f1)
Bolt Holes: 20 off 30.0mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB
Contact us for pricing 0.0 GBP
DN450 PN16 RF SLIP ON PLATE FLANGE CS S235JR
Flange inside diameter of: 462.0mm (B1)
Flange overall diameter: 640mm (D)
PCD: 585mm (K)
Bolt Holes: 20 off 30mm diameter (L)
Flange Thickness: 42mm (C1)
Diameter of Raised Face (RF): 520mm (D1)
Height of raised face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, RFSO
£ 385.00 385.0 GBP
DN450 PN25 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 670mm (D)
Flange inside diameter: 462.0mm (B1)
Flange thickness (C2): 46mm
Pitch Circle Diameter (PCD): 600mm (K)
Hub height: 84mm (H1)
Neck diameter: 520mm (N2)
Raised Face Diameter: 555mm (d1)
Height of Raised Face: 4mm (f1)
Bolt Holes: 20 off 36mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB
Contact us for pricing 0.0 GBP
DN450 PN25 RF SLIP ON PLATE FLANGE CS S235JR
Flange inside diameter of: 462.0mm (B1)
Flange overall diameter: 670mm (D)
PCD: 600mm (K)
Bolt Holes: 20 off 36mm diameter (L)
Flange Thickness: 54mm (C1)
Diameter of Raised Face (RF): 520mm (D1)
Height of raised face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Mild Steel, Carbon Steel, Flat Faced, FFSO
Contact us for pricing 0.0 GBP
DN450 PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 685mm
Drilling (No. x Bolt Holes x L): 20 x M39 x 39mm
Pitch circle diameter (K): 610mm
Flange thickness (C4): 57mm
Material: S235 JR
Rating: PN40
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN450 PN40 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 715mm (D)
Flange inside diameter: 462.0mm (B1)
Flange thickness (C2): 57mm
Pitch Circle Diameter (PCD): 650mm (K)
Hub height: 84mm (H1)
Neck diameter: 532mm (N2)
Raised Face Diameter: 600mm (d1)
Height of Raised Face: 4mm (f1)
Bolt Holes: 20 off 39mm diameter (L)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Bossed Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, SOB
Contact us for pricing 0.0 GBP
DN500 (20 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 774.7mm
Flange thickness (C): 63.5mm
Hub height (X): 587.2mm
Length through hub (A): 508.0mm
Bolt circle diameter (K): 520.7mm
Overall height (Y): 162.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 584.2mm
Number of bolt holes: 24
Bolt hole diameter: 35.0mm
Approx. weight: 171.0kg
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 698.5mm
Flange thickness (C): 42.9mm
Pitch circle diameter (K): 635.0mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 584.2mm
Number of bolt holes: 20
Material: A105N
Rating: ASA 150
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA150 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 698.5mm (O)
Flange thickness: 42.9mm (C)
Flange hub height: 73.1mm (Y)
Pitch Circle Diameter (PCD): 635.0mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 20 off 31.7mm diameter
Bore Diameter: 513.0mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 150LB, SOB
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 984.2mm
Flange thickness (C): 177.8mm
Pitch circle diameter (K): 831.8mm
Raised face height (RF): 6.3mm
Raised face diameter (R): 584.2mm
Number of bolt holes: 24
Material: A105N
Rating: ASA 1500
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA1500, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA1500 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 984.2mm (O)
Flange thickness: 177.8mm (C)
Flange hub height: 112.0mm (Y)
Pitch Circle Diameter (PCD): 831.8mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 16 off 79.2mm diameter
Bore Diameter: 513.0mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 1500LB, SOB
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 774.7mm
Flange thickness (C): 63.5mm
Pitch circle diameter (K): 685.8mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 584.2mm
Number of bolt holes: 24
Material: A105N
Rating: ASA 300
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA300, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA300 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 774.7mm (O)
Flange thickness: 63.5mm (C)
Flange hub height: 95.2mm (Y)
Pitch Circle Diameter (PCD): 685.8mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 24 off 35.0mm diameter
Bore Diameter: 513.0mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 300LB, SOB
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 812.8mm
Flange thickness (C): 88.9mm
Pitch circle diameter (K): 723.9mm
Raised face height (RF): 6.3mm
Raised face diameter (R): 584.2mm
Number of bolt holes: 24
Material: A105N
Rating: ASA 600
Type: Blind flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blind Flange, Blank, ASA600, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN500 (20" NB) ASA600 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 812.8mm (O)
Flange thickness: 88.9mm (C)
Flange hub height: 127.0mm (Y)
Pitch Circle Diameter (PCD): 723.9mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 24 off 44.4mm diameter
Bore Diameter: 513.0mm (B)
Material: Carbon Steel
Grade: A105N
Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Carbon Steel, Raised Faced, ASA 600LB, SOB
Contact us for pricing 0.0 GBP
DN500 (20" NB) PN10 FF BLIND FLANGE CS S235 JR
Flange OD (D): 670mm
Drilling (No. x Bolt Holes x L): 20 x M24 x 26mm
Pitch circle diameter (K): 620mm
Flange thickness (C4): 38mm
Material: S235 JR
Rating: PN10
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN500 (20" NB) PN16 FF BLIND FLANGE CS S235 JR
Flange OD (D): 715mm
Drilling (No. x Bolt Hole x L): 20 x M30 x 33mm
Pitch circle diameter (K): 650mm
Flange thickness (C1): 50mm
Raised face diameter (D1): 570mm
Raised face height (F1): 4mm
Material: S235 JR
Rating: PN16
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
£ 1,190.00 1190.0 GBP
DN500 (20" NB) PN25 FF BLIND FLANGE CS S235 JR
Flange OD (D): 730mm
Drilling (No. x Bolt Hole x L): 20 x M33 x 36mm
Pitch circle diameter (K): 660mm
Flange thickness (C1): 58mm
Raised face diameter (D1): 570mm
Raised face height (F1): 4mm
Material: S235 JR
Rating: PN25
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN500 (20" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 645mm (D)
PCD: 600mm (K)
Bolt Holes: 20 off 26mm diameter (L)
Flange Thickness: 32mm (C4)
Diameter of Flat Face (RF): 570mm (D1)
Height of Flat Face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Flat Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Mild Steel, Carbon Steel, Flat Faced, FF Blind
Contact us for pricing 0.0 GBP
DN500 (20" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR
Flange inside diameter of: 513.5mm (B1)
Flange overall diameter: 645mm (D)
PCD: 600mm (K)
Bolt Holes: 20 off 26mm diameter (L)
Flange Thickness: 32mm (C1)
Diameter of Raised Face (RF): 570mm (D1)
Height of raised face: 4mm (F1)
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Mild Steel, Carbon Steel, Raised Faced, RFSO
Contact us for pricing 0.0 GBP
DN500 (20" NB) SCHEDULE 20 ASA150 WELD NECK FLANGE CS A105N
Outside diameter (O): 698.5mm
Flange thickness (C): 42.9mm
Hub length (X): 558.8mm
Neck height (A): 635.0mm
Pitch circle diameter (K): 635.0mm
Hub base diameter (Y): 144.5mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 584.2mm
Number of bolt holes: 20
Material: A105N
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, Carbon Steel, RF
Contact us for pricing 0.0 GBP
DN500 (20" NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
Outside diameter (O): 774.7mm
Flange thickness (C): 63.5mm
Hub height (X): 587.2mm
Length through hub (A): 508.0mm
Bolt circle diameter (K): 520.7mm
Overall height (Y): 162.0mm
Raised face thickness (RF): 1.5mm
Bore (B): 584.2mm
Number of bolt holes: 24
Bolt hole diameter: 35.0mm
Approx. weight: 171.0kg
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