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PS250N
PS250N
Features
- For unstepped shafts
- Single seal
- Balanced
- Independent of direction of rotation
- Metal bellows rotating
Advantages
- For extreme temperature ranges
- No dynamically loaded O-Ring
- Self cleaning effect
- Short installation length possible
- Pumping screw for highly viscous media available (dependent on direction of rotation).
Operating range
- Shaft diameter: d1 = 16 ... 100 mm (0.63" ... 4")
- Externally pressurized : p1 = ... 25 bar (363 PSI)
- Internally pressurized:
p1 <120 oC (248 oF) 10 bar (145 PSI)
p1 <220 oC (428 oF) 5 bar (72 PSI)
- Temperature: t = -40 oC ... +220 oC(-40 oF ... +428 oF)
- Stationary seat lock necessary.
- Sliding velocity: vg = 20 m/s (66 ft/s)
Recommended applications
- Process Industry
- Oil & Gas Industry
- Refining Technology
- Petrochemical Industry
- Chemical Industry
- Hot Media
- Cold Media
- Highly Viscous Media
- Pumps
- Special Rotating Equipment
Materials
- Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
- Seat: Silicon carbide (Q1)
- Bellows: Inconel® 718 hardened (M6), Hastelloy® C-276 (M5)
- Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
