Delivering Fluid Sealing Solutions Since 1972

GUARDIAN™ Bearing Isolators

Bearing Isolator protection to ensure bearing life

M Barnwell Services offer the full range of Garlock’s KLOZURE® GUARDIAN™ Bearing Isolators. A multi-purpose general service seal, designed to reduce equipment failure downtime. Thanks to its engineered labyrinth design, they are able to exclude liquid and solid contamination while retaining bearing lubrication. They also provide superior bearing protection in pumps, motors, and other machinery, they perform under the toughest of conditions.

We are capable to supply GUARDIAN™ bearing isolators for shaft sizes of between .0625″ and 22.250″.

GUARDIAN™ Bearing Isolators

Features and Benefits of a GUARDIAN™ Bearing Isolator:

  • Patented unitizing ring removes metal-to-metal contact between stator and rotor
  • Compliant with various industry manufacturing standards
  • Patented Cam-Lock system allows the GUARDIAN™ to be installed without the need for an arbor press
  • Engineered labyrinth design exclude contamination while retaining bearing lubrication – to IP 66 ratings
  • Speedier mean rime to repair (MTTR)
  • Eliminates repair for seal housings and shaft grooving
  • Non-wearing components – seal properties are not degraded over time, consistent sealing performance
  • Non-contact engineered labyrinth design reduces shaft drag, consequently reducing energy usage
  • Extended bearing life, bearing protection increases mean time between failure (MBTF)

GUARDIAN™ Bearing Isolators GUARDIAN™ Bearing Isolators

To download the GUARDIAN™ configuration table, click here.

For more information about our range of Bearing Isolators, click here or contact a member of the team.

Other Garlock products we supply include ISO-GARD®, SGi®, and MICRO-TEC® II Bearing Isolators, and many more.

Configurations

Flanged (split and solid)
Flangeless (solid) - does not stretch over the face of the housing
Step Shaft (split and solid) - bespoke design for applications where the shaft has a step
Vertical (solid) - for top applications
Small Cross Section Flanged (solid) - fits in cross-section as small as 0.188" (4.76mm)
Narrow Width Flangeless (solid)
Split Pillow Block Housings (split and solid)
Steam Turbine (solid)

Materials

Standard: Bronze stator and rotor
Unitizing Filled PTFE ring and Fluoroelastomer (FKM/FPM) O Rings

Temperature Range

-30°C (-22°F) to +204°C (+400°F) (limited by FKM/FPM O Rings)

Surface Speed

4,500 fpm (22.86 m/s) to 12,000 fpm (60.9 m/s)

Axial Motion

±0.015" (±0.38mm) to ±0.025" (±0.64mm)

Radial (shaft to bore) misalignment

±0.010" (±0.25mm) to ±0.020" (±0.51mm)

Pressure

0 bar

Standards

API 610 compliant bronze construction (standard)
IEEE 841-2001 Standards
IP 65-66 rating per NEMA MG 1-2003
316 SS construction available on request

Typical Applications

Electric motors
Pumps
Gearboxes
Pillow-blocks
Ancillary equipment in dirty, dusty, and wet environments