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Hammer Union/Bonded Seals

Hammer Union / Bonded Seals are precision-engineered sealing components designed to provide secure, leak-proof sealing in high-pressure piping systems and hydraulic connections. Hammer Union Seals are commonly used in hammer union joints for oilfield and drilling applications, while Bonded Seals (also known as Dowty Seals) consist of a metal washer with a bonded elastomer sealing ring, providing reliable sealing for threaded fittings and hydraulic connections. These seals are manufactured to withstand high pressures, temperature variations and harsh operating environments, ensuring dependable performance in critical industrial applications.


At Universal Export Import, we supply premium-quality Hammer Union and Bonded Seals manufactured from high-grade elastomers and corrosion-resistant metals to deliver exceptional durability, sealing efficiency and long service life. Available in a variety of materials including NBR, HNBR, FKM (Viton), EPDM and Stainless Steel, our seals offer excellent resistance to oil, chemicals, pressure and abrasion. Manufactured in accordance with international quality standards, they are available in standard and customized sizes to meet the requirements of hydraulic, oilfield and industrial sealing applications.

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