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PS75
PS75
Features
- API 682 Category 2 und 3, Type A, Arrangement 2 seal
- Dual seal in face-to-back arrangement
- Cartridge unit
- Rotating multiple springs
- Dry non-contact outer seal (containment seal)
Advantages
- Universally applicable both for retrofits or original equipment
- Efficient stock keeping due to standardized components
- Extended selection of materials
- Metal parts also in special materials available
- Designed for vaporizing media
- Operation close to vapor pressure
Operating range
- Shaft diameter: d1 = 20 ... 110 mm (0.79" ... 4.33")
- Pressure: p1 = 20 bar (290 PSI)
- Temperature:t = -40 oC ... +176 oC (-40 oF ... +350 oF)
- Sliding velocity:vg = 4 ... 23 m/s (13 ... 76 ft/s)
- Axial movement: ±1.0 mm
Recommended applications
- Refining technology
- Petrochemical industry
- Chemical industry
- Oil and gas industry
- Media with gaseous leakage
- API 610 / ISO 13709 pumps
- Process pumps
Materials
- Seal rings: Blister resistant carbon
- Mating rings: Silicon carbide SSiC (Q1), RBSiC (Q2)
- Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
- Springs: Hastelloy® C-4 (M)* and C-276 (M5)
- Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request.
