Stainless Steel IDF Hygienic Full Couplings also called Unions
Standard Couplings are made up of a Nut, Machined Liner, Black Nitrile Seal and Male Part.
There are different types of Seal: White=PTFE, Blue=EPDM, Green=Viton and Black= Nitrile
We also stock IDF BLank Liners, IDF Spanners, IDF Male or Female ended: 90's, 45's, Tees and Hose Tails.
Please call sales for an immediate quote on 01236 738755 or email sales@completestainless.co.uk
IDF Nut
| Tube OD | Tube OD | A | B | C |
| Inch | mm | mm | mm | mm |
| 1 | 25.4 | 30 | 34.34 | 46 |
| 1.5 | 38.1 | 30 | 47.86 | 60 |
| 2 | 50.8 | 30 | 61.37 | 75 |
| 2.5 | 63.5 | 30 | 74.88 | 90 |
| 3 | 76.2 | 30 | 88.4 | 105 |
| 4 | 101.6 | 35 | 122 | 133 |
IDF Male Part
| Tube OD | Tube OD | A | B | C | D |
| Inch | mm | mm | mm | mm | mm |
| 1 | 25.4 | 25.65 | 22.2 | 29.2 | 21.5 |
| 1.5 | 38.1 | 38.35 | 34.9 | 42.7 | 21.5 |
| 2 | 50.8 | 51.05 | 47.6 | 56.2 | 21.5 |
| 2.5 | 63.5 | 63.75 | 60.3 | 69.9 | 21.5 |
| 3 | 76.2 | 76.45 | 73 | 82.6 | 21.5 |
| 4 | 101.6 | 101.85 | 97.6 | 111.1 | 30 |
IDF Liner
| Tube OD | Tube OD | A | B | C | D |
| Inch | mm | mm | mm | mm | Mm |
| 1 | 25.4 | 33.8 | 22.2 | 25.65 | 21.5 |
| 1.5 | 38.1 | 47 | 34.9 | 38.35 | 21.5 |
| 2 | 50.8 | 60.5 | 47.6 | 51.05 | 21.5 |
| 2.5 | 63.5 | 74 | 60.3 | 63.75 | 21.5 |
| 3 | 76.2 | 87.5 | 73 | 76.45 | 21.5 |
| 4 | 101.6 | 120.6 | 97.6 | 101.85 | 30 |
IDF Seal standard Black Nitrile
| Tube OD | Tube OD | A | B | C | |
| Inch | mm | mm | mm | mm | |
| 1 | 25.4 | 29.2 | 7 | 32.5 | |
| 1.5 | 38.1 | 42.7 | 7 | 46 | |
| 2 | 50.8 | 56.2 | 7 | 59.5 | |
| 2.5 | 63.5 | 69.9 | 7 | 73.2 | |
| 3 | 76.2 | 82.6 | 7 | 86.5 | |
| 4 | 101.6 | 111 | 9.6 | 119 |
