our company combines a wide range of metallic and non-metallic materials and a variety of designs to meet with many typical packing requirements and also the more specific and problematic ones. The range of materials that our company utilizes are available across the broad range of packing rings designed for unidirectional and bidirectional sealing, low pressure vent and gas purge sealing. This also includes high-speed and high pressure rings, as well as sandwich and triple circle designs. Basic Packing Ring Designs: Single acting seal rings/pairs Double acting seal rings/pairs Backup rings Pressure breakers Pressure breaker with relief slots Packing  Ring Materials: CPI Special Polymer Alloys PTFE Thermoplastics Bronze Cast iron