Delivering Fluid Sealing Solutions Since 1972

PUR-GARD™ Bearing Isolators

Ultimate Rotating Equipment Sealing Solution for the Food Processing Industry

M Barnwell Services offer the full range of Garlock’s KLOZURE® PUR-GARD™ Bearing Isolators manufactured with FDA compliant and Metal and X-Ray Detectable materials. Patented IP66 design, PUR-GARD™ is a truly revolutionary seal that integrates overall process purity and cost savings via an extended bearing and machinery life.

Features and Benefits of PUR-GARD™ Bearing Isolator:

  • Metal & X-Ray Detectable
  • Cam-Lock O Ring groove design – excellent bore retention and easy installation without the need for tools
  • Unitizing Ring – no metal-to-metal contact between rotor and stator
  • Available in a wide selection of configurations
  • Labyrinth design offers bearing protection even in the harshest applications, consequently extending the life of bearings
  • Non-contact engineered labyrinth design reduces shaft drag, consequently reducing energy usage
  • Unitized construction will not come apart during installation
  • IP66 in most design configurations

PUR-GARD™ Bearing Isolators

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

Other Garlock products we supply include GUARDIAN™, SGi®, SGi®, FLOOD-GARD® Bearing Isolators, and many more.


Flangeless Narrow Width
Small Cross Section
Split Pillow Block
Step Shaft
Split Option


316 Stainless Steel stator and rotor
Metal Detectable FKM O Rings

Temperature Range

-30°C (-22°F) to +204°C (+400°F)

Surface Speed

up to 12,000 f/m (60.9 m/s)

Axial Motion

up to ±0.015" (0.38mm)

Radial (shaft to bore) misalignment

up to ±0.020" (0.51mm)


0 bar (ambient)


IP66 in most configurations

Typical Applications

Rotating equipment exposed to heavy wash down and/or zone 1 and 2 applications (motors, pumps, gearboxes)
Clean requirements
Food Processing industry