High-performance, low-emission, non-pusher seals, the Universal Cartridge 5600-1 Series is a modular cartridge seal family that includes interchangeable metal bellows and elastomer O-ring pusher seal designs specifically conforming to API 682. API 682 compliant, Category 1 — dual unpressurized/pressurized arrangement 2 or 3, Type B rotating metal bellows seal based on the 5625P design.