Expansion Joints & Flexible Hose

METAL BELLOWS EXPANSION JOINTS

Flextech specializes in the manufacture of metal bellows expansion joints. Our manufacturing capabilities allow for the production of single, multi-ply and two ply testable bellows which range in sizes from ¾" - 120" diameter.

We stock pre-engineered and finished bellows expansion joints, which increase savings and provide quick turnarounds.

FABRIC EXPANSION JOINTS

Flextech fabric expansion joints are engineered to solve thermal growth and vibration problems in air and flue gas systems. We offer numerous single and multi-layered type fabric materials for a range of temperatures and chemical environments.

RUBBER & TEFLON EXPANSION JOINTS

Our rubber and Teflon expansion joints are designed to absorb thermal growth motions and vibration in piping systems. We offer an extensive variety of rubber and Teflon expansion joints.

METAL BELLOWS EXPANSION JOINTS

Flextech specializes in the manufacture of metal bellows expansion joints. Our manufacturing capabilities allow for the production of single, multi-ply and two ply testable bellows which range in sizes from ¾" - 120" diameter.

We stock pre-engineered and finished bellows expansion joints, which increase savings and provide quick turnarounds.

Some bellows materials widely known for outstanding physical and chemical properties are:

  • 300 series stainless steel
  • 600 / 625 Inconel
  • Hastelloy C22, C276
  • Titanium
  • Monel

Flextech has designed and built all types of expansion joints including:

  • Single
  • Dual
  • Universal
  • Pressure Balanced
  • Hinged
  • Gimbal
  • Ring Controlled
  • Externally Pressurized
  • Pump Connectors
  • Expansion Compensators
  • Duct-Type

Using the latest technology available in computerized bellows design analysis to EJMA guidelines, as well as a full complement of PLC controlled bellows forming equipment, we can provide design, drafting and fabricating of finished expansion joints of unlimited complexity.

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FABRIC EXPANSION JOINTS

Flextech fabric expansion joints are engineered to solve thermal growth and vibration problems in air and flue gas systems. We offer numerous single and multi-layered type fabric materials for a range of temperatures and chemical environments.

  • E Series Elastomers (Viton, EPDM, Butyl, Neoprene, Silicone)
  • FC Series Flouroplastic (Teflon based) PTFE impregnated fiberglass: high temperatures, wet/dry service.
  • FL Series Flouroplastic (100% chemically inert) for medium temperatures and severe chemical conditions
  • M Series Multi-layered for hot air and flue gas applications operating above 400°F through 2000°F.

Our fabric expansion joint assemblies consist of either belt or integral flange styles. We offer a variety of frame designs. We can custom design units to fit your needs. Round, square, rectangular and cylindrical joints available in an unlimited size range.

RUBBER & TEFLON EXPANSION JOINTS

Flextech rubber and Teflon expansion joints are designed to absorb thermal growth motions and vibration in piping systems. We offer an extensive variety of rubber and Teflon expansion joints.

Rubber: size range: 1" - 72" ID

Design Type:

  • Spool Type (single and multi-arch)
  • Wide Arch
  • Spherical
  • Concentric / Eccentric Reducing Type
  • Offset Type
  • Filled Arch
  • Sleeve Type
  • Rubber / Teflon Lined

Materials:

  • Neoprene
  • EPDM
  • Butyl
  • Nitrile
  • Hypalon
  • Viton

Teflon: size range: 1" - 24" ID

Design Type:

  • 2 convolutions
  • 3 convolutions
  • 5 convolutions
  

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CORRUGATED METAL HOSE

Flextech uses the finest quality materials to design, manufacture and deliver hose products ranging from ¼" - 30" diameter. Complete hose assemblies are supplied with precision engineered end fittings. Standard or custom designed, Flextech delivers.

Styles:

  • Helical Corrugations
  • Annular Corrugations
  • 2 Ply Construction
  • Single or Double Braid
  • Close Pitch
  • Open Pitch

Materials:

  • Stainless Steel
  • Monel
  • Bronze
  • Inconel
The ability to convey many types of media and working temperatures ranging from -382°F to 1500°F and the ability to convey many corrosive fluids, gives Flextech corrugated metal assemblies superior performance. The development of specialty assemblies for specific applications is a strength of the Flextech product line.

These include:

  • Jacketed Assemblies
  • Steam & Oil Traced
  • CGA Certified
  • ULC Listed
  • Refrigeration Hoses
  • Chlorine Transfer Hoses
  • Cryogenic Assemblies
  • Teflon Lined Assemblies
  • Expansion / Seismic Loops

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TEFLON HOSE

Flextech's Teflon hose product line includes smooth bore and convoluted styles. The corrosion resistant inner core is reinforced with a tightly woven metallic or non-metallic braid.

We can provide bulk hose and fittings or complete assemblies ranging from 3/16" to 4" diameter, built to your specifications. Hose assemblies can be coupled with over 36 standard fittings with options including Teflon encapsulated and flare through designs.

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