Advantages
- Fits to any seal chamber
- Universally applicable both for retrofits or original equipment
- Efficient stock-keeping due to standardized components
- Extended selection of materials
- Extended field of operation in terms of temperature and pressure
- Optimized torque transmission
- Metal parts also in special materials available
- Safe operation due to metal torque transmission at the rotating seat
Features
- Dual seal
- Cartridge unit
- Design acc. to API 682 / ISO 21049
- Category 2/3, Type A,
- Arrangement 2 or 3
- Bi-directional design available
- Rotating multiple springs
- Integrated pumping device available
- Suitable for pressure reversals
Materials
- Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q1, Q2)
- Seat: Silicon carbide (Q1, Q2)
- Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
- Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
Recommended applications
Oil and gas industry
Refining technology
- Petrochemical industry
- Power plant technology
- Light volatile and highly viscous hydrocarbons
- API 610 / ISO 13709 pumps
- Process pumps
