Imperial Bonded Seals (Dowty Washers)
Imperial Bonded Seals are widely used in hydraulic pumps, diesel systems, compressors, gearboxes and heavy machinery where reliable sealing is essential. Their metal‑to‑rubber construction offers excellent resistance to pressure, vibration and fluid leakage. Transpower Drives supplies Imperial Dowty Washers in sizes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4", 7/8", 1", 1.5" and 2"BSP, giving engineers and maintenance teams a complete range for both modern and legacy equipment.
We supply Imperial Bonded Seals across Wellingborough, Northampton, Rushden, Kettering, Corby and the wider Northamptonshire area, with same‑day collection available from our Finedon Road Industrial Estate trade counter.














