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Garlock Elastomeric Expansion Joints
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Style 206 EZ-FLO Expansion Joints
GUARDIAN® 306 EZ-FLO Spool-Type Expansion Joints
Style 204, 204HP Spool-Type Expansion Joints
GUARDIAN® 200 Expansion Joints
Style 8420™ Split Expansion Joints
Style 9394 Multi-Convoluted Expansion Joints
Style 214/215 Flexible Couplings
Metal Flow Liners
Garlock Expansion Joint Catalog & More
 

Garlock Sealing Technologies

Garlock Expansion Joints

Style 206 EZ-FLO® Expansion Joints

EZ-FLO® expansion joints contain a single wide flowing arch, eliminating the need for filled arches on slurry services. They are successfully used in all major industries, including pulp and paper, steel, waste and water, HVAC, power generation, chemical, petrochemical and marine.

  • Self-flushing design eliminates media buildup that can restrict movement
  • Less fluid turbulence
  • 250 psig (17 bar) rating for longer life
  • Lightweight design for easy installation

Garlock Style 206 EZ-FLO® Data Sheet

  Style 206 EZ-FLO

GUARDIAN® 306 EZ-FLO® Spool Type Expansion Joints

Featuring a flowing arch design, these expansion joints have a mechanically-bonded FEP lining that resists delamination. They are designed for the chemical processing and pulp & paper industries, where their ability to resist corrosive attack at normal or elevated temperatures and pressures is unequaled.

  • No media build-up
  • Less turbulence/vibration
  • 250 psig (17 bar) rating for longer service life
  • Liner extends to O.D. of flange, preventing chemical attack

Garlock GUARDIAN® 306 EZ-FLO® Data Sheet

  GUARDIAN 306 EZ-FLO

Style 204, 204HP Spool Type Expansion Joints

Used to connect concentric pipe flanges in concentric or eccentric tapers and in connecting piping of unequal diameters, these expansion joints can be constructed as single or multiple arch types. Custom designs are available for full movement capabilities after installation, ideal chemical compatibilities and easy installation.

  • Fully lab and field tested for long life and installation reliability
  • Seamless flange face requires no gaskets
  • High pressure/vacuum rating ensures greater safety in a broad application range

Garlock Style 204 Data SheetGarlock Style 204HP Data Sheet

  Style 204

GUARDIAN® 200 Expansion Joints

These expansion joints utilize a chemically resistant FEP liner mechanically bonded to an abrupt arch. Chlorobutyl cover is used, and the expansion joint is coated with a blue protectant for resistance to environmental effects. (Alternate cover materials available.)

  • Reduced delamination, and no glue to be chemically attacked
  • High pressure/vacuum resistance for broad application capabilities
  • Use of high density FEP reduces permeation
  GUARDIAN 200

Style 8420™ Split Expansion Joints

These expansion joints eliminate the need for equipment disassembly, reducing costly downtime. They can be customized to your application, but are ideal for all types of vacuum pumps, non-flanged piping, small, irregular openings, and other low-pressure and vacuum applications.

  • Available in EPDM or nitrile (both standard), and other fluoroelastomers (available upon request)
  • Sizes available from 2" to 24"
  • Adhesive kits with comprehensive installation instructions are provided with every shipment to facilitate quick assembly

Garlock Style 8420™ Flyer

  Style 8420 Split Expansion Joint

Style 9394 Multi-Convoluted Expansion Joints

These lightweight expansion joints are designed for low pressure applications that require significant amounts of movement, axially and/or laterally. They yield low spring rates that are ideal for load cell applications.

  • Available in flanged or sleeve type designs through 48" I.D.
  • Up to 3 psi maximum pressure with no external reinforcing rings required
  • From 3 psi to 15 psi maximum pressure with external reinforcing rings
  Style 9394 Multi-Convoluted Expansion Joint

Styles 214/215 Expansion Joints/Flexible Couplings

These PTFE expansion joints/flexible couplings are designed for chemical processing, air conditioning and heating piping systems.

Style 214   Style 215
  • Concentric spool-type coupling     • Concentric spool-type coupling
  • Two convolutions     • Three convolutions
  • Maximum temperature +450° F (230° C)     • Maximum temperature +450° F (230° C)
  • Maximum pressure 178 psig (12 bar)     • Maximum pressure 132 psig (9 bar)
  • Full vacuum to +350° F (180° C)     • Full vacuum to +180° F (80° C)

Garlock Styles 214/215 Flyer

  Style 214/215 Flexible Couplings

Metal Flow Liners

Metal flow liners are utilized in conjunction with elastomeric expansion joints to provide protection from abrasive materials or solids. Flanged at one end, installed at the head of the flow, metal liners are tapered to a 5° angle, allowing the expansion joint to laterally deflect.

  • 10 gauge liner flange thickness
  • 12 gauge liner body thickness
  • Standard material is 304/316 stainless steel, with titanium and Hastelloy C available
  • Special metal liner configurations with reducing or multiple arch design expansion joints available

Garlock EJ Catalog

For more information regarding any of the Garlock rubber expansion joints above, or for styles not listed on our website, please visit the Garlock Expansion Joint homepage, or download their Expansion Joint Catalog (PDF, 1.94MB).

Johnson Packings is a Garlock Master Distributor, and has been a Top-10 Distributor for the past 25+ years. With over 85 years of supplying expansion joints, gaskets, seals, and packings, we can help you with any and all of your fluid-sealing needs.

 
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