LBBS-3000 - Labyrinth Seal Bearing Protector Stainless-Phos.Bronze with Lipseal

The LBBS-3000 is a high performance Labyrinth Seal with integral lipseal certified to IP65 and IP66; and is designed for flooded bearing housings.

This bearing seal will fit small x-sectional spaces, typically where lip seals or oil seals have previously been employed. It has the advantage that the lipseal runs on a replaceable, harden surface so it does not damage the shaft in operation.

Our LBBS-3000 labyrinth seal design is offered as a complete cartridge solution that installed into the rotating equipment in a similar way to a lip or oil seal.

Design Features include;

  • IP65 and IP66 certified - provides protection against ingress of dust and high temperature, high pressure water, and is suitable for flooded bearing housings and gearboxes.
  • Cartridge, one piece solution for ease of installation
  • Bi-metallic material construction for optimum operational performance
  • Outboard water/dust repellent orifice
  • Integral PTFE barrier seal
  • Integral double lipseal
  • Twin rotor o-ring drive which stablizes the rotor in operation. This permits 'value-adding' close radial clearance construction between rotor and stator, which improves sealing performance.
  • Compact design - will fit in practically all rotating equipment rotor/stator openings
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Supply/Design Characteristics
Seal Shaft Sizes
ALL
System Vessel Size
Inboard Seal Face Combination
Outboard Seal Face Combination
Gasket
Secondary Sealing
Nitrile
Bellows
Inboard Wetted Parts
316 S/S, Phoz.Bronze
Elastomers
Viton, Alfas, ERP, FFKM, PTFE
Shaft Speeds
up to 3,600rpm / 20 m/s (4000 ft/min) **
Pressures
Temperature
up to 80 deg C (176 deg F) **
Instrumention
Pipework & Fittings
Temperatures
up to 80 deg C (176 deg F) **

This innovative LBBS-3000 labyrinth seal is designed around best practice technology. Please see our Blog section for technical white papers on the design principles incorporated.

Safe Operating Limits:

This seal incorporates best practice features and innovation as detailed in our technical blogs and white papers.

** Apply "industry standard" Pressure, Speed and Temperature de-rating factors, by shaft size and application. The safe seal performance characteristics are typical characteristics for each variable in isolation. The individual upper limit values of each variable should NOT be used in multiple combinations of Speed, Pressure and Temperature. Contact our Technical Sales Department for further details.

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