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Slip on

Integraflow supplies high-quality EN1092-1 Slip-On Flanges, specifically designed for use in hygienic stainless steel pipeline systems where cleanability, strength, and alignment precision are essential. Manufactured from 316L stainless steel, these flanges are widely used in food, beverage, dairy, pharmaceutical, and cosmetic processing environments.

Slip-On Flanges are welded around the outer diameter of the pipe and also at the internal bore to create a flush, hygienic transition with minimal dead space — making them ideal for use in CIP/SIP systems.

Key Features:

  • Material: 316L stainless steel

  • Standard: EN1092-1

  • Flange Type: Type 01A Slip-On (plain face or raised face as specified)

  • Available sizes: DN10 to DN150

  • Pressure ratings: PN10, PN16, PN25, and PN40

  • Surface finish: Polished internal/external surfaces available (Ra ≤ 0.8 µm)

  • Fully compatible with hygienic gaskets in EPDM, Viton, PTFE, Silicone

  • Supplied with full material traceability and 3.1 certification where required

Common Applications:

  • Hygienic product transfer lines

  • CIP/SIP-cleaned pipework systems

  • Pasteurisation, bottling & mixing skids

  • Biotech, pharma & food manufacturing installations

  • Cleanroom-compatible process lines


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Slip on

1.00" (DN25) PN16 (BORED 25.4mm / 1.00" OD OD) TABLE E THICK FF SLIP ON FLANGE SS 316
Suits an outside diameter (OD) of: 25.4mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M12 Bolts
PCD: 85mm
Flange Diameter: 115mm
Flange Thickness: 7.14mm
Inside diameter to suit 1" OD Hygienic / Dairy

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£29.40 each
List Price – Sign in to view Trade Prices 29.4 GBP
1.50" (DN40) PN16 (BORED 48.3mm / 1.1/2" OD HYGIENIC) TABLE E THICK FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 38.1mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M16 Bolts
PCD: 110mm
Flange Diameter: 150mm
Flange Thickness: 8.73mm (Table E)
Inside diameter to suit 1.1/2" OD Hygienic / Dairy

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£44.10 each
List Price – Sign in to view Trade Prices 44.1 GBP
2.00" (DN50) PN16 (BORED 50.8mm / 2" OD) TABLE E THICK FF SLIP ON FLANGE SS 316
Suits an outside diameter (OD) of: 50.8mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M16 Bolts
PCD: 125mm
Flange Diameter: 165mm
Flange Thickness: 9.53mm (Table E)
Inside diameter to suit 2" OD Hygienic / Dairy

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£84.07 each
List Price – Sign in to view Trade Prices 84.07 GBP
2.00" (DN50) PN16 (BORED 50.8mm / 2.00" OD) RF SLIP ON PLATE FLANGE SS 304
Suits an outside diameter (OD) of: 50.8mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 4 off to suit M12 Bolts
PCD: 85mm
Flange Diameter: 115mm
Flange Thickness: 18mm
Inside diameter to suit 2" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
RF, SO, Raised Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Full Thick Plate Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£167.58 each
List Price – Sign in to view Trade Prices 167.58 GBP
2.00" (DN50) PN16 (BORED 50.8mm / 2.00" OD) TABLE E THICK FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 50.8mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M16 Bolts
PCD: 125mm
Flange Diameter: 165mm
Flange Thickness: 9.53mm (Table E)
Inside diameter to suit 2" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£69.30 each
List Price – Sign in to view Trade Prices 69.3 GBP
2.00" (DN50) PN16 (REDUCE BORED 38.1mm / 1.1/2" OD) TABLE E THICK FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 38.1mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M16 Bolts
PCD: 125mm
Flange Diameter: 165mm
Flange Thickness: 9.53mm
Inside diameter to suit 1.1/2" OD (Reduced bore) Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange. Reducing Flange.

Part of our Flanges and Flanged Connections Range
£126.00 each
List Price – Sign in to view Trade Prices 126.0 GBP
2.50" (DN65 - 4 HOLE) PN16 (BORED 63.5mm / 2.50" OD) RF SLIP ON PLATE FLANGE SS 316
Suits an outside diameter (OD) of: 63.5mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 4 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 20mm
Inside diameter to suit 2.1/2" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
RF, SO, Raised Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Full Thick Plate Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£256.62 each
List Price – Sign in to view Trade Prices 256.62 GBP
2.50" (DN65 - 4 HOLE) PN16 (BORED 63.5mm / 2.50" OD) TABLE E THICK FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 63.5mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 10.32mm
Inside diameter to suit 2.1/2" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£75.60 each
List Price – Sign in to view Trade Prices 75.6 GBP
2.50" (DN65 - 4 HOLE) PN16 (BORED 63.5mm / 2.50" OD) TABLE E THK FF SLIP ON FLANGE SS 316
Suits an outside diameter (OD) of: 63.5mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 4 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 10.32mm (Table E)
Inside diameter to suit 2.1/2" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£114.38 each
List Price – Sign in to view Trade Prices 114.38 GBP
2.50" (DN65 - 4 HOLE) PN16 (BORED 70mm ID) RF SLIP ON PLATE FLANGE SS 304
Suits an outside diameter (OD) of: 69mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 4 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 20mm (PN16)
Inside diameter to suit 69mm OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
RF, SO, Raised Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Full Thick Plate Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£247.10 each
List Price – Sign in to view Trade Prices 247.1 GBP
2.50" (DN65 - 8 HOLE) PN16 (BORED 70MM ID) (FULL THK) FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 69mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 17mm (PN16)
Inside diameter to suit 69mm OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£187.25 each
List Price – Sign in to view Trade Prices 187.25 GBP
2.50" (DN65 - 8 HOLE) PN16 (BORED 70MM ID) TABLE E THICK FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 69mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 10.32mm
Inside diameter to suit 69mm OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£100.59 each
List Price – Sign in to view Trade Prices 100.59 GBP
2.50" (DN65 - 8 HOLE) PN16 (BORED 76.2mm / 3" OD) RF SLIP ON PLATE FLANGE SS 304
Suits an outside diameter (OD) of: 76.2mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 145mm
Flange Diameter: 185mm
Flange Thickness: 17mm
Inside diameter to suit 3" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
RF, SO, Raised Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Full Thick Plate Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£256.62 each
List Price – Sign in to view Trade Prices 256.62 GBP
3.00" (DN80) PN16 (BORED 76.2mm / 3" OD) RF SLIP ON PLATE FLANGE SS 316
Suits an outside diameter (OD) of: 76.2mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 8 off to suit M16 Bolts
PCD: 160mm
Flange Diameter: 200mm
Flange Thickness: 20mm (PN16)
Inside diameter to suit 3" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£259.00 each
List Price – Sign in to view Trade Prices 259.0 GBP
3.00" (DN80) PN16 (BORED 76.2mm / 3" OD) TABLE E THICK FF SLIP ON FLANGE SS 316
Suits an outside diameter (OD) of: 76.2mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 160mm
Flange Diameter: 200mm
Flange Thickness: 11.11mm (Table E)
Inside diameter to suit 3" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£100.80 each
List Price – Sign in to view Trade Prices 100.8 GBP
4.00" (DN100) PN16 (BORED 101.6mm / 4.00" OD) RF SLIP ON PLATE FLANGE SS 316
Suits an outside diameter (OD) of: 101.6mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 8 off to suit M16 Bolts
PCD: 180mm
Flange Diameter: 220mm
Flange Thickness: 22mm (PN16)
Inside diameter to suit 4" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£286.72 each
List Price – Sign in to view Trade Prices 286.72 GBP
4.00" (DN100) PN16 (BORED 101.6mm / 4.00" OD) TABLE D THICK FF SLIP ON FLANGE SS 304
Suits an outside diameter (OD) of: 101.6mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 180mm
Flange Diameter: 220mm
Flange Thickness: 9.53mm (Table D)
Inside diameter to suit 4" OD Hygienic / Dairy Tube

Part of our Flanges and Flanged Connections Range
£145.46 each
List Price – Sign in to view Trade Prices 145.46 GBP
4.00" (DN100) PN16 (BORED 101.6mm / 4.00" OD) TABLE E THICK FF SLIP ON FLANGE SS 316
Suits an outside diameter (OD) of: 101.6mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 180mm
Flange Diameter: 220mm
Flange Thickness: 12.7mm (Table E)
Inside diameter to suit 4" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

£ 51.95 Tax Excluded
(£ 51.95 / Each)

Part of our Flanges and Flanged Connections Range
£150.15 each
List Price – Sign in to view Trade Prices 150.15 GBP
4.00" (DN100) PN16 BORED (101.6mm / 4.00" OD) TABLE D THICK) FF SLIP ON FLANGE SS 316
Suits an outside diameter (OD) of: 101.6mm
Material: Stainless
Grade: 304
Standards: EN1092-1
Flange Face: Flat
Bolt Holes: 8 off to suit M16 Bolts
PCD: 180mm
Flange Diameter: 220mm
Flange Thickness: 9.53mm (Table D)
Inside diameter to suit 4" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
FF, SO, Flat Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Reduced Thick Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£145.46 each
List Price – Sign in to view Trade Prices 145.46 GBP
4.00" (DN100) PN25/40 (BORED 101.6mm / 4.00" OD) RF SLIP ON PLATE FLANGE SS 316
Suits an outside diameter (OD) of: 101.6mm
Material: Stainless
Grade: 316
Standards: EN1092-1
Flange Face: Raised
Bolt Holes: 8 off to suit M20 Bolts
PCD: 162mm
Flange Diameter: 235mm
Flange Thickness: 26mm (PN25/40)
Inside diameter to suit 4" OD Hygienic / Dairy Tube

Applications:
Hygienic, Dairy & Sanitary - Dairy Processing, Brewing / Breweries / Beverage Production, Distilleries, Water Treatment, Waste Water, Chemicals, Bottling Plants, Medical & Pharmaceutical, Hospitals.

Alternative terminology:
RF, SO, Raised Face Flange, Slip on flange, Weld on Flange, Dairy Flange, Hygienic Flange, Sanitary Flange, Full Thick Plate Flange. OD Flange.

Part of our Flanges and Flanged Connections Range
£474.46 each
List Price – Sign in to view Trade Prices 474.46 GBP