It is Single Cartridge Seal, Can replace Burgmann H75N.
Features
- Single seal
- Cartridge unit available
- Design acc. to API 682/ISO 21049
- Category 2 and 3, Type A, Arrangement 1
- Independent of direction of rotation
- Rotating multiple springs
- Integrated pumping device available
Advantages
- “Low-Emission-Seal” acc. to the American STLE-limits
- 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 - Metal parts also in special materials available
Operating Range
Shaft diameter: d = 20 … 110 mm (0.79″ … 4.33″)*
Pressure: p1 = 40 bar (580 PSI)
Temperature: t = –40 °C … +220 °C (–40 °F … +428 °F)
Sliding velocity: vg = 23 m/s (75 ft/s)
Axial movement: ±2.0 … 4.0 mm depending on diameter
and installation situation.
Material
Seal face: 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)