Get reliable bonded seals and Dowty seals in Pune from Puja Seals – ideal for high-pressure sealing in hydraulic, pneumatic, and industrial applications. Bonded Seals Bonded seals are special washers with an exterior steel ring and a bonded rubber inner ring. The design ensures excellent, reliable sealing against fluids and gases, particularly with high pressure. The metal washer will keep the item from over-compression and hold the rubber sealing element in place to seal. They are better than conventional sealing washers as they are strongly built and are designed in an integrated manner.