B1S

Mechanical Seals – Mechanical seals for pumps – Pusher seals

• For plain shafts

• Single and dual seal

• Elastomer bellows rotating

• Unbalanced

• Independent of direction of rotation

• No torsion on bellows

• Shaft diameter : d1 = 10 … 100mm (0.39” … 3.94”)

• Pressure : p1 = 16 bar (230 PSI)

• Vacuum … 0,5 bar (7,25 PSI) up to 1 bar (14,5 PSI) with seat locking

• Temperature : t = -20 … +140 (-4 … +284

• Sliding velocity : vg = 10 m/s (33 ft/s)

• Axial movement : 2.0 mm

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• • Seal face : Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1), Tungsten carbide (U3)

  • Seat : Silicon carbide (Q1,Q2), Tungsten carbide (U3)

  • Special cast CrMo steel (S), Aluminium oxide (V)

  Elastomer : NBR (P), EPDM (E), FKM (V), HNBR (X4)

  Metal parts : CrNiMo steel (G), Hastelloy® C-4(M)

• Various material approvals e.g. FDA, WrAS, KTW, ACS, W270, NSF available (depending on type and material combinations).

• EN 12756 (MG12, MG13)

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• Process industry

• Chemical industry

• Pulp and paper industry

• Water and waste water technology

• Food and beverage industry

• Sugar industry

• Oils application

• Water, waste water, slurries (up to 5% by weight)

• Pulp (up to 4% otro)

• Latex

• Dairies, beverages

• Sulfide slurries

• Chemicals

• Oils

• Chemical standard pumps

• Helical screw pumps

• Stock pumps

• Circulating pumps

• Submersible pumps

• Water and waste water pumps

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