Mechanical Seals
Mechanical Seals
Cartridge, split and gas-lubricated seals for pumps, compressors and mixers in demanding process conditions.
API 682 Cat. 3up to 450 °Cup to 120 barPlan 53B
Specifications
Shaft diameter25 – 220 mm
Operating temperature−40 … +450 °C
Pressure ratingup to 120 bar
Speedup to 25 m/s
Face materialsSiC / SiC, Carbon / SiC
Metallurgy316L, Alloy C-276, Duplex
StandardsAPI 682 4th ed., ISO 21049
Supported piping plans52, 53A/B/C, 54
Key features
Zero-emission sealing
Pressurized barrier design contains process fluid fully — meets the strictest fugitive-emission requirements.
Cartridge convenience
Factory-assembled and pressure-tested unit installs without field measurement, cutting downtime by hours.
Extended MTBR
Optimized face geometry and cooling raise mean time between repairs beyond 5 years in continuous duty.
