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PureFlex MultiFlex™ Convoluted Hose, PTFE Hose, High Pressure Rating, Excellent Flexibility, Stainless Steel or Polypropylene Braid

The MultiFlex™ Convoluted Hose, PTFE Hose combines excellent flexibility with a high-pressure rating. The seamless open pitch spiral PTFE convolutions facilitate cleaning because they're self-draining. MultiFlex is perfect for demanding high purity and chemical applications. Available in sizes 1/2" to 3".

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Product Features & Benefits

  • CORROSION RESISTANT -PTFE is fully resistant to the broadest range of industrial chemicals and has a zero-corrosion rate with lower life cycle costs.
  • CLEANABLE -Non-Stick, low porosity tube is self-cleaning and does not trap bacteria and can be cleaned with steam, detergents, caustics or solvents.
  • SANITARY –FDA- approved materials meet or exceed Pharmacopoeia class VI and 3A standards.
  • COMPATIBLE -Will not contaminate or impart a taste, color or odor to any media.
  • FLEXIBLE -Ultra flexible engineered design that resists cracking and stress corroding.
  • DURABLE -Engineered for extended use in hostile environments involving severe chemical, thermal, and mechanical stresses. Does not suffer from aging or embrittlement like rubber even with extreme thermal cycling.
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Braid Options Available

  • 316 Stainless Steel Braid Pure PTFE
  • 316 Stainless Steel Braid Static – Dissipating PTFE
  • Polypropylene Braid Pure PTFE
  • Polypropylene Braid Static – Dissipating PTFE

Hose Cover Options

  1. Scuff Sleeve – Protects hose exterior from damage when dragged over rough surfaces.
  2. Fire Sleeve – Protects hose from extreme exterior temperatures. Can be used as insulation and protects personnel from extreme interior temperatures.
  3. Polyolefin - Provides a smooth, cleanable covering over braided hose. Many colors available.
  4. Armor Guard – Protects hose rom kinking by not allowing it to exceed its bend radius.
  5. Spring Guard – Provides kink resistance and protects hose from damage when dragged over rough surfaces.
  6. HDPE Armor – Provides kink and wear protection during rough handling. Available in (8) colors for color coding and is the only protective cover that can be installed on an existing assembly.
  7. Custom Fabricated Assemblies and Special Tagging available 
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Hose Options

Electrically Heated Option

Electrically heated options may be applied to many of the hose assemblies available from PureFlex®.  Our superior insulations and precisely applied heating elements provide the most temperature-stable heated hoses on the market. PureFlex heated hoses are excellent for maintaining viscosity control, freeze protection, and dispensing temperature-sensitive media. Temperature options available from ambient to 450°F (hose selection dependent).

If interested in learning if the electrical heated option can be applied to your specific hose requirements, please complete the Electric Heating Option Form and submit to

Custom Fabricated Assemblies

Multiflex hose with integral FEP site gauge shown


Temperature Range

Stainless braid and bare hose temperature range: (-)65°F (-54°C) to (+)450°F (+232°C)
Polypropylene braid temperature range: (-)20°F (-29°C) to (+)250°F (+121°C)
Operating Pressure (psi) Minimum
Bend Radius
Per Foot
  Operating pressure ratings are one-fourth the minimum burst pressure at (+)70°F (21°C)
Pressure and vacuum ratings are based at (+)70°F (21°C)
1/2" 1500 575 1.50 29.9 0.20
3/4" 1100 500 2.00 29.9 0.28
1" 1000 400 2.50 29.9 0.35
1-1/4" 875 350 3.13 29.9 0.48
1-1/2" 750 300 3.75 29.9 0.60
2" 625 250 6.50 24.0 0.85
3" 150 150 9.50 20.0 1.79

Technical Details

  • Applications: Superior flexibility, higher pressures, chemical resistant, sanitary
  • Liner material: PTFE
  • Cover: Stainless steel or polypropylene braid
  • Size range: 1/2" to 3"
  • Pressure rating: Full vacuum to 1500 PSI
  • Temperature range: -65°F to +450°F


  • Sanitary Applications
  • Cleanable Applications
  • High Purity & Chemical Applications
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This resource is intended as a guideline to be used with all available information to determine suitability of material selection. We suggest thorough research which should include known applications when determining material. The information contained herein is provided only as a guide for the use of ANDRONACO INDUSTRIES products.

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