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Nominal Bore

Stainless Steel Nominal Bore Pipework – 304 & 316 Systems

Integraflow supplies complete nominal bore stainless steel pipework systems in 304 and 316/L grades, including pipe, fittings, flanges, valves, and supports in welded, seamless, threaded, and socket weld configurations, ideal for corrosive, and industrial environments across food, pharmaceutical, chemical, and mechanical sectors.

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Nominal Bore

DN150 PN10/PN16 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 170.5mm (B1)
Flange overall diameter: 285mm (D)
PCD: 240mm (K)
Bolt Holes: 8 off 22mm diameter (L)
Flange Thickness: 24mm (C1)
Diameter of Raised Face (RF): 202mm (D1)
Height of raised face: 3mm (F1)
Material: Stainless Steel
Grade: 316
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Steel, Raised Faced, RFSO

Part of our Flanges and Flanged Connections Range
£ 289.45 289.45 GBP
DN150 PN25 / PN40 RF BLIND FLANGE SS 304
Flange OD (D): 300mm
Drilling (No. x Bolt Holes x L): 8 x M24 x 26mm
Pitch circle diameter (K): 250mm
Flange thickness (C4): 28mm
Material: 304
Rating: PN40
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Stainless Steel, Stainless Steel, Raised Faced, RF Blind

Part of our Flanges and Flanged Connections Range
£ 492.45 492.45 GBP
DN150 PN25 / PN40 RF BLIND FLANGE SS 316
Flange OD (D): 300mm
Drilling (No. x Bolt Holes x L): 8 x M24 x 26mm
Pitch circle diameter (K): 250mm
Flange thickness (C4): 28mm
Material: 316
Rating: PN40
Type: Blind flange (EN1092-1 Type 05)

Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Blank Flange, Blind, Stainless Steel, Stainless Steel, Raised Faced, RF Blind

Part of our Flanges and Flanged Connections Range
£ 726.04 726.04 GBP
DN150 PN25/PN40 RF SLIP ON PLATE FLANGE SS 304
Flange inside diameter of: 170.5mm (B1)
Flange overall diameter: 300mm (D)
PCD: 250mm (K)
Bolt Holes: 8 off 26mm diameter (L)
Flange Thickness: 30mm (C1)
Diameter of Raised Face (RF): 202mm (D1)
Height of raised face: 3mm (F1)
Material: Stainless Steel
Grade: 304
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Steel, Raised Faced, RFSO

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN150 PN25/PN40 RF SLIP ON PLATE FLANGE SS 316
Flange inside diameter of: 170.5mm (B1)
Flange overall diameter: 300mm (D)
PCD: 250mm (K)
Bolt Holes: 8 off 26mm diameter (L)
Flange Thickness: 30mm (C1)
Diameter of Raised Face (RF): 202mm (D1)
Height of raised face: 3mm (F1)
Material: Stainless Steel
Grade: 316
Standards: EN1092-1
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Slip on Flange, Weld on, Stainless Steel, Steel, Raised Faced, RFSO

Part of our Flanges and Flanged Connections Range
Contact us for pricing 0.0 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
£ 299.04 299.04 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
£ 459.76 459.76 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
£ 271.95 271.95 GBP
DN150 X DN100 (6" X 4" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 114mm
Wall Thickness: 7.11 X 6.02mm
Length: 140mm
£ 439.67 439.67 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 210.70 210.7 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 359.66 359.66 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 296.31 296.31 GBP
DN150 X DN125 (6" X 5" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 141mm
Wall Thickness: 7.11 X 6.55mm
Length: 140mm
£ 271.95 271.95 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 414.61 414.61 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 377.58 377.58 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 483.07 483.07 GBP
DN150 X DN65 (6" X 2½" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 73mm
Wall Thickness: 7.11 X 5.16mm
Length: 140mm
£ 683.90 683.9 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 SEAMLESS ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
Contact us for pricing 0.0 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 195.72 195.72 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED CONCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 344.68 344.68 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 304
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 358.26 358.26 GBP
DN150 X DN80 (6" X 3" NB) SCHEDULE 40S A403 WELDED ECCENTRIC REDUCER SS 316
Outside Diameter (OD): 168 X 89mm
Wall Thickness: 7.11 X 5.49mm
Length: 140mm
£ 398.58 398.58 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 SEAMLESS REDUCING TEE SS 304
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 SEAMLESS REDUCING TEE SS 316
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN150 x DN100 (6 x 4" NB) SCHEDULE 10S A403 WELDED REDUCING TEE SS 304
Outside Diameter (OD): 168 x 114mm
Wall Thickness (Run x Branch): 3.40 x 3.05mm
Centre to End (Run): 143mm
Centre to End (Branch): 130mm
Schedule: 10S
Weight: 5.10kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
£ 281.96 281.96 GBP