Moss Seal supplies seals and elastomer elements for completion equipment, where a seal may have to set once and hold for years, or cycle repeatedly through production, stimulation, and intervention. From packing elements and S-seals in production packers and liner hangers to O-rings and back-up rings in subsurface safety valves, sliding sleeves, and frac plugs, we match compound, spring, and profile to well temperature, pressure, and fluid. Our range covers packing elements, S-seals and FS-seals, chevron packing, O-rings, back-up rings, bonded rubber-to-metal parts, and custom molded shapes for the full completion string.