Engineered Seals For Demanding Applications

SBF/SBP

Reach
RoHS

SBF/SBP

Product Description

  • Single seal configuration
  • Balanced design
  • Independent of direction of rotation
  • Cartridge construction
  • Stationary design with multiple springs
  • Designed with integrated pumping device for increased efficiency in circulation
  • Robust construction with shrink-fitted seal face
  • Heavy duty design of solid single stationary seat
Details
Item No. Description
1.1.1 Seal face
1.1.3 Spring
1.2 Seat
2 Shaft sleeve
6 Cover
8 Pumping screw with flow guide
9 Assemble fixture
14 Shrink disk

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Technical Features
  • Accommodates shaft deflections due to stationary design
  • Can be designed for individual pump application with corresponding connection parts to be adapted to the pump seal chamber
  • Optimum heat dissipation due to integrated pumping device available for increased efficiency in circulation and optimized seat design
  • Cartridge unit factory assembled for easy installation, which reduces downtime
  • Trouble-free long-term operation due to heavy duty single seat design with bandage
  • Can operate under high sliding velocities and medium pressures
  • Boiler feed water pumps
  • Power plant technology
  • Seal face: Silicon carbide (Q), Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
  • Seat: Silicon carbide
  • Secondary seals: EPDM (E), FFKM (K)
  • Springs: CrNiMo steel (G)
  • Metal parts: CrNiMo steel (G)
  • Sizes: d1* = Upto 250 mm (Upto 10.000’’)
  • Pressure: p1 = 50 bar (725 PSI)
  • Temperature: t = 300 °C (572 °F)
  • Speed = 60 m/s (197 ft/s)
  • Permissible axial movement: ±3 mm
    * Other sizes on request

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