SpecialitiesSingle seal, Balanced, Independent of direction of rotation, Stationary springs, Dual seals in tande
AdvantagesSafe operation (no fractures) because of seal face locking by square pin, Spring unit averted from the product so no sticking and clogging of the springs, Suitable for pressure reversals, Operation in vacuum without additional seat locking possible,
Operating rangeShaft diameter: d = 18 ... 100 mm (0.71" ... 3.94"), Pressure: p1*) = 25 bar (363 PSI), Temperature:
Recommended Applications
 Water and waste water technology
 Refining technology
 Dirty, abrasive and solid containing media
 Fugitive hydrocarbons (no API seal!)
 Sticky and stringy media
 Chemical standard pumps
 Sewage pumps
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Materials
 Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1)