APB™
Dual Tandem Metal Bellow Cartridge Seal
API-682 Series Cartridge Seals
  
Operation Conditions
Temperature: -76 ~ 662°F ( -60 ~ 350°C )
Pressure:
Single-ply bellows - vacuum to 285 psig ( 20 bar )
Double-Ply bellows - vacuum to 640 psig ( 45 bar )
Speed: up to 5000 fpm(25 m/s)
Standard Materials
Metal Parts: SUS304 / SUS316 / Ti2 / C-276 / CAP-42
Metal Bellow: C-276 / 17-4PH / Inconel 718
Stationary Ring: S-SIC / R-SIC / TC
Rotary Ring: Carbon / S-SIC / R-SIC / TC
Secondary Seal: Graphite / Viton® / Aflas® / Chemraz® / Kalraz® / Hifluor® / Other
Features
Dual Tandem Cartridge Seal Design
Innovative Pumping Design
Pressure Resistance Design
Balanced Design
Excellent Fatigue Resistance
Eliminate VOC Emission
In Conjunction with API Standard Flush Plans 52, 53 or 54
Monolithic Mating Face Design
Applications
Huge heavy oil process pump as API 682 standard.
High temperature, high pressure, vacuum and high viscosity applications.
Dual sealing required to prevent VOC emission for rotating equipment.
Process equipments for petrochemical and oil-refining industries.
Comply with requirements of standard and big-bore API pumps.
Scenic® enables to supply special design in accordance with customer requirement.