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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.

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Flanges

DN80 (3" NB) PN16 RF SLIP ON PLATE FLANGE CS S235 JR
Suits an outside diameter (OD) of: 88.9mm
Material: Mild Steel
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 8 off to suit M16 Bolts
PCD: 160mm
Flange Diameter: 200mm
Flange Thickness: 20mm
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative Terminology:
Slip on, Weld on, Plate Flange, RFSO, Mild Steel, Carbon Steel
£ 30.10 30.1 GBP
DN80 (3" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 190mm (D)
PCD: 150mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 18mm (C4)
Diameter of Flat Face (RF): 128mm (D1)
Height of Flat Face: 3mm (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
DN80 (3" NB) PN6 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 190mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 150mm (K)
Flange hub height: 32mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 3"
Bolt Holes: 8 off M16 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Black
Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN6
Contact us for pricing 0.0 GBP
DN80 (3" NB) PN6 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 190mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 150mm (K)
Flange hub height: 32mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 3"
Bolt Holes: 8 off M16 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Galvanised
Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN6
Contact us for pricing 0.0 GBP
DN80 (3" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR
Flange inside diameter of: 90.5mm (B1)
Flange overall diameter: 190mm (D)
PCD: 150mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 18mm (C1)
Diameter of Raised Face (RF): 128mm (D1)
Height of raised face: 3mm (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
DN80 (3" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
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: 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
DN80 (3" NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
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
Contact us for pricing 0.0 GBP
DN80 (3" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
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: 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
DN80 PN10/PN16 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 200mm (D)
Flange inside diameter: 90.5mm (B1)
Flange thickness (C2): 20mm
Pitch Circle Diameter (PCD): 160mm (K)
Hub height: 34mm (H1)
Neck diameter: 118mm (N2)
Raised Face Diameter: 138mm (d1)
Height of Raised Face: 3mm (f1)
Bolt Holes: 8 off 18.0mm 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
DN80 PN10/PN16 RF SLIP ON PLATE FLANGE CS S235JR
Flange inside diameter of: 90.5mm (B1)
Flange overall diameter: 200mm (D)
PCD: 160mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 20mm (C1)
Diameter of Raised Face (RF): 138mm (D1)
Height of raised face: 3mm (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
DN80 PN25 / PN40 FF BLIND FLANGE CS S235 JR
Flange OD (D): 200mm
Drilling (No. x Bolt Holes x L): 8 x M16 x 18mm
Pitch circle diameter (K): 160mm
Flange thickness (C4): 24mm
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
DN80 PN25/PN40 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 200mm (D)
Flange inside diameter: 90.5mm (B1)
Flange thickness (C2): 24mm
Pitch Circle Diameter (PCD): 160mm (K)
Hub height: 40mm (H1)
Neck diameter: 118mm (N2)
Raised Face Diameter: 138mm (d1)
Height of Raised Face: 3mm (f1)
Bolt Holes: 8 off 18mm 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
DN80 PN25/PN40 RF SLIP ON PLATE FLANGE CS S235JR
Flange inside diameter of: 90.5mm (B1)
Flange overall diameter: 200mm (D)
PCD: 160mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 24mm (C1)
Diameter of Raised Face (RF): 128mm (D1)
Height of raised face: 3mm (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
DN80 PN6 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 190mm (D)
Flange inside diameter: 90.5mm (B1)
Flange thickness (C2): 16mm
Pitch Circle Diameter (PCD): 150mm (K)
Hub height: 34mm (H1)
Neck diameter: 110mm (N2)
Raised Face Diameter: 148mm (d1)
Height of Raised Face: 4mm (f1)
Bolt Holes: 8 off 18mm 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
DN100 (4 NB) SCHEDULE 80 ASA300 WELD NECK FLANGE A105N
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
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA150 4" NPT GALVANISED THREADED FLANGE CS A105N
Outside diameter (O): 228.6mm
Hub diameter at base (C): 23.8mm
Length through hub (X): 134.8mm
Pitch circle diameter (K): 190.5mm
Raised face diameter (Y): 33.2mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 157.2mm
Bore diameter (Q): 33.2mm
Hub thickness (T): 19.0mm
Number of bolt holes: 8
Material: Galvanised A105N
Rating: ASA 150
Threaded: NPT
Type: Screwed flange (ASME B16.5)

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

Alternative terminology:
Threaded Flange, Screwed Flange, ASA150, NPT, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA150 4" NPT THREADED FLANGE CS A105N
Outside diameter (O): 228.6mm
Hub diameter at base (C): 23.8mm
Length through hub (X): 134.8mm
Pitch circle diameter (K): 190.5mm
Raised face diameter (Y): 33.2mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 157.2mm
Bore diameter (Q): 33.2mm
Hub thickness (T): 19.0mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 150
Threaded: NPT
Type: Screwed flange (ASME B16.5)

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

Alternative terminology:
Threaded Flange, Screwed Flange, ASA150, NPT, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA150 RF BLIND FLANGE CS A105N
Outside diameter (O): 228.6mm
Flange thickness (C): 23.8mm
Pitch circle diameter (K): 190.5mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 157.2mm
Number of bolt holes: 8
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
DN100 (4" NB) ASA150 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 228.6mm (O)
Flange thickness: 23.8mm (C)
Flange hub height: 33.2mm (Y)
Pitch Circle Diameter (PCD): 190.5mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 8 off 19.0mm diameter
Bore Diameter: 116.0mm (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
DN100 (4" NB) ASA150 RF SOCKET WELD FLANGE CS A105N
Outside diameter (O): 228.6mm
Hub diameter at base (C): 23.8mm
Length through hub (X): 134.8mm
Pitch circle diameter (K): 190.5mm
Raised face diameter (Y): 33.3mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 157.2mm
Bore length (B): 139.3mm
Bore diameter (D): 25.4mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 150
Type: Socket weld flange (ASME B16.5)

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

Alternative terminology:
Socket Weld Flange, SW Flange, ASA150, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA1500 RF BLIND FLANGE CS A105N
Outside diameter (O): 311.1mm
Flange thickness (C): 53.8mm
Pitch circle diameter (K): 241.3mm
Raised face height (RF): 6.3mm
Raised face diameter (R): 157.2mm
Number of bolt holes: 8
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
DN100 (4" NB) ASA1500 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 311.1mm (O)
Flange thickness: 53.8mm (C)
Flange hub height: 63.5mm (Y)
Pitch Circle Diameter (PCD): 241.3mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 8 off 35.0mm diameter
Bore Diameter: 116.0mm (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
DN100 (4" NB) ASA300 4" NPT GALVANISED THREADED FLANGE CS A105N
Outside diameter (O): 254.0mm
Hub diameter at base (C): 31.7mm
Length through hub (X): 146.0mm
Pitch circle diameter (K): 200.1mm
Raised face diameter (Y): 47.7mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 157.2mm
Bore diameter (Q): 117.6mm
Hub thickness (T): 36.5mm
Number of bolt holes: 8
Material: A105N Galvanised
Rating: ASA 300
Threaded: NPT
Type: Screwed flange (ASME B16.5)

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

Alternative terminology:
Threaded Flange, Screwed Flange, ASA300, NPT, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA300 4" NPT THREADED FLANGE CS A105N
Outside diameter (O): 254.0mm
Hub diameter at base (C): 31.7mm
Length through hub (X): 146.0mm
Pitch circle diameter (K): 200.1mm
Raised face diameter (Y): 47.7mm
Raised face height (RF): 1.5mm
Hub diameter at top (R): 157.2mm
Bore diameter (Q): 117.6mm
Hub thickness (T): 36.5mm
Number of bolt holes: 8
Material: A105N
Rating: ASA 300
Threaded: NPT
Type: Screwed flange (ASME B16.5)

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

Alternative terminology:
Threaded Flange, Screwed Flange, ASA300, NPT, Carbon Steel, Raised Faced
Contact us for pricing 0.0 GBP
DN100 (4" NB) ASA300 RF BLIND FLANGE CS A105N
Outside diameter (O): 254.0mm
Flange thickness (C): 31.7mm
Pitch circle diameter (K): 200.1mm
Raised face height (RF): 1.5mm
Raised face diameter (R): 157.2mm
Number of bolt holes: 8
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
DN100 (4" NB) ASA300 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 254.0mm (O)
Flange thickness: 31.7mm (C)
Flange hub height: 47.7mm (Y)
Pitch Circle Diameter (PCD): 200.1mm (K)
Raised Face Height: 1.5mm (RF)
Bolt Holes: 8 off 22.3mm diameter
Bore Diameter: 116.0mm (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
DN100 (4" NB) ASA600 RF BLIND FLANGE CS A105N
Outside diameter (O): 273.0mm
Flange thickness (C): 38.1mm
Pitch circle diameter (K): 215.9mm
Raised face height (RF): 6.3mm
Raised face diameter (R): 157.2mm
Number of bolt holes: 8
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
DN100 (4" NB) ASA600 RF BOSSED SLIP ON FLANGE CS A105N
Flange outside diameter: 273.0mm (O)
Flange thickness: 38.1mm (C)
Flange hub height: 53.8mm (Y)
Pitch Circle Diameter (PCD): 215.9mm (K)
Raised Face Height: 6.3mm (RF)
Bolt Holes: 8 off 25.4mm diameter
Bore Diameter: 116.0mm (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
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
Pitch circle diameter (K): 180mm
Flange thickness (C1): 22mm
Raised face diameter (D1): 148mm
Raised face height (F1): 3mm
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
Contact us for pricing 0.0 GBP
DN100 (4" NB) PN16 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 220mm (D)
Flange thickness: 20mm (C2)
Pitch Circle Diameter (PCD): 180mm (K)
Flange hub height: 34mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 4"
Bolt Holes: 8 off M16 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Black
Standards: EN 1092-1
Pressure Rating: PN16
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN16
Contact us for pricing 0.0 GBP
DN100 (4" NB) PN16 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 220mm (D)
Flange thickness: 20mm (C2)
Pitch Circle Diameter (PCD): 180mm (K)
Flange hub height: 34mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 4"
Bolt Holes: 8 off M16 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Galvanised
Standards: EN 1092-1
Pressure Rating: PN16
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN16
Contact us for pricing 0.0 GBP
DN100 (4" NB) PN16 RF SLIP ON PLATE FLANGE CS S235 JR
Suits an outside diameter (OD) of: 114.3mm
Material: MS
Grade: S235 JR
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 8 off to suit M16 Bolts
PCD: 180mm
Flange Diameter: 220mm
Flange Thickness: 20mm
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative Terminology:
Slip on, Weld on, Plate Flange, RFSO, Mild Steel, Carbon Steel
£ 34.65 34.65 GBP
DN100 (4" NB) PN6 FF BLIND FLANGE CS S235 JR
Flange overall diameter: 210mm (D)
PCD: 170mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 18mm (C4)
Diameter of Flat Face (RF): 148mm (D1)
Height of Flat Face: 3mm (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
DN100 (4" NB) PN6 RF BSPP THREADED FLANGE S235JR BLACK
Flange outside diameter: 210mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 170mm (K)
Flange hub height: 34mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 4"
Bolt Holes: 8 off M16 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Black
Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN6
Contact us for pricing 0.0 GBP
DN100 (4" NB) PN6 RF BSPP THREADED FLANGE S235JR GALVANISED
Flange outside diameter: 210mm (D)
Flange thickness: 16mm (C2)
Pitch Circle Diameter (PCD): 170mm (K)
Flange hub height: 34mm (H1)
Raised Face Height: 3mm (f1)
BSPP Thread: 4"
Bolt Holes: 8 off M16 bolts
Material: Mild Steel
Grade: S235 JR
Finish: Galvanised
Standards: EN 1092-1
Pressure Rating: PN6
Flange Face: Raised Face
Certification Available: 2.1 BS EN 10204 Material Certification

Alternative terminology:
Threaded Flange, Screwed Flange, BSPP, Mild Steel, Carbon Steel, Flat Faced, PN6
Contact us for pricing 0.0 GBP
DN100 (4" NB) PN6 RF SLIP ON PLATE FLANGE CS S235 JR
Flange inside diameter of: 116.0mm (B1)
Flange overall diameter: 210mm (D)
PCD: 170mm (K)
Bolt Holes: 8 off 18mm diameter (L)
Flange Thickness: 18mm (C1)
Diameter of Raised Face (RF): 148mm (D1)
Height of raised face: 3mm (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
DN100 (4" NB) SCHEDULE 40 / STD WT ASA150 WELD NECK FLANGE CS A105N
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: 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
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DN100 (4" NB) SCHEDULE 40 ASA300 WELD NECK FLANGE A105N
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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DN100 (4" NB) SCHEDULE 80 / XS ASA150 WELD NECK FLANGE CS A105N
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: 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
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DN100 PN10/PN16 RF BOSSED SLIP ON FLANGE CS S235JR
Flange outside diameter: 220mm (D)
Flange inside diameter: 116.0mm (B1)
Flange thickness (C2): 20mm
Pitch Circle Diameter (PCD): 180mm (K)
Hub height: 40mm (H1)
Neck diameter: 140mm (N2)
Raised Face Diameter: 158mm (d1)
Height of Raised Face: 3mm (f1)
Bolt Holes: 8 off 18.0mm 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
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