HB Type
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Catalog excerpts

Desiccant Breather Range HBP & HBP/2 Type Transformer Breather Units Transformer Total Oil Content Litres Up to 1250 Up to 2500 HBP & HBP/2 TRANSFORMER BREATHERS Maximum weight of Length of Assembly Desiccant Kg. Dimension "A" 0.65 215 1.00 310 3/4" BSP Plug Body Desiccant The HBP Desiccant Breather has been specially designed to provide an economical protection device for smaller transformers having a low oil content. The Breather body and oil seal cup are moulded in high strength polycarbonate, which offers mechanical strength and weather resistance, the transparent material also allows all round visability of the Desiccant at a distance. The design of the HBP Desiccant Breather allows the capacity to be increased for use on larger transformers. This is known as the HBP/2. Hawke Desiccant Breather types HBP and HBP/2 are refillable. Baffle Plate Air Ports Oil Cup Assembled Oil Level Port Blanking Label Diameter of Charge Container 100 100 Length of Charge Container 190 290 All dimensions in millimetres (approximate). Full installation and maintenance instructions are supplied with each Hawke desiccant breather. 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, its 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. Annular Baffles Sizes 5 and above supplied with standard hole positions to accept a flanged fixing to BS10 table D (1" pipe). HB TRANSFORMER BREATHERS Transformer Total Oil Maximum weight of Length of Assembly Content Litres Desiccant Kg. Dimension "A" Up to 1115 0.70 230 From 1115 up to 2230 1.20 330 From 2230 up to 4455 2.40 530 From 4455 up to 11150 5.00 350 From 11150 up to 22230 8.50 500 From 22230 up to 33420 12.00 650 From 33420 up to 44550 15.00 800 From 33420 up to 44550 17.00 850 From 44550 up to 66840 24.00 1000 From 66840 up to 89120 30.00 1150 From 89120 up to 133680 45.00 1150 Air passing through the charge All dimensions in millimetres (approximate). Full installation and maintenance instructions are supplied with each Hawke desiccant breather.

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