HB Type Transformer Breathers
The HB desiccant breather is ideal for a large range of transformer sizes. The charge is constructed from high strength polycarbonate with the additional protection of a polythene coated metal screen, it's identical die cast end plates are sealed in position to form a very strong unit.
Sizes 1, 2, 3 and 4 tapped to accept ¾ B.S.P.P.
Sizes 5 and above supplied with standard hole positions to accept a flanged fixing to BS10 table D (1" pipe).
| HB Transformer Breathers | |||||
|---|---|---|---|---|---|
| Ref No. | Transformer Total Oil Content Litres | Minimum Weight of Desiccant Kg | Length of Assembly Dimension ‘A’ | Diameter of Charge Container | Length of Charge Container |
| HB1 | up to 1115 | 0.70kg | 230 | 105 | 170 |
| HB2 | 1115 to 2230 | 1.20kg | 330 | 105 | 300 |
| HB3 | 2230 to 4455 | 2.40kg | 530 | 105 | 470 |
| HB4 | 4455 to 11150 | 5.00kg | 350 | 215 | 280 |
| HB5 | 11150 to 22230 | 8.50kg | 500 | 215 | 430 |
| HB6 | 22230 to 33420 | 12.00kg | 650 | 215 | 600 |
| HB7 | 33420 to 44550 | 15.00kg | 800 | 215 | 730 |
| HB55 | 33420 to 44550 | 17.00kg | 850 | 215 | 430 |
| HB66 | 44550 to 66840 | 24.00kg | 1000 | 215 | 600 |
| HB77 | 66840 to 89120 | 30.00kg | 1150 | 215 | 730 |
| HB777 | 89120 to 133680 | 45.00kg | 1150 | 215 | 730 |
| All dimensions are in mm (approximate). Full installation and maintenance instructions are supplied with each Hawke desiccant breather. |
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