Dowty Washer M20

Dowty washers (or bonded seals) are specialized, high-pressure sealing components consisting of a metal outer ring (usually steel) and an inner vulcanized rubber sealing ring. They provide leak-proof, vibration-resistant, and secure connections for hydraulic, pneumatic, and fastener applications. Common sizes range from 1/8” to 2” and are often used to seal BSP or Metric threads.