Round Stainless Steel SBRN Engineered Seals, Color : Grey

• Balanced
• Dual seals in tandem as well as back-to- back arrangements also available Independent of direction of rotation Single seal
• Stationary springs

Technical Features

• Adjusts to shaft movements because of the stationary design
• Balanced seal even with plain shafts No damage of the shaft by a dynamically loaded O-Ring
• Operation in vacuum without additional seat locking possible
• Safe operation
• Small installation sizes
• Spring unit isolated from the product so no sticking and clogging of the springs
• Suitable for pressure reversals Suitable for solid containing and abrasive media

Typical Industrial Applications

• Chemical industry
• Dirty, abrasive and solid containing media Fugitive hydrocarbons
• Refining technology Sticky and stringy media
• Water and waste water technology Chemical standard pumps Sewage pumps

Materials

• Seal face -  Carbon graphite resin impregnated (B), Silicon carbide (Q1) Seat -  Silicon carbide (Q1)
• Secondary seals -  FKM (V), NBR (P), FFKM
• (K) , PTFE (T)
• Springs -  Hastelloy® C-4 (M) Metal parts -  CrNiMo steel (G)

Performance Capabilities

• Sizes -  d = Upto 100 mm (Upto 4.000’’) Pressure -  p1*) = 25 bar (363 PSI) Temperature -  t = -40 °C .. +220 °C (-40
• °F .. 428 °F)
• Speed = 20 m/s (66 ft/s)
• Permissible axial movement -  ± 1.0 mm