Dunham Rubber & Belting Corporation
Dunham Rubber & Belting Corporation
682 Commerce Parkway West Drive, Greenwood, IN 46143
Toll Free: 800.876.5340
Tel: 317.888.3002
Fax: 317.888.2335
Email: mail@dunhamrubber.com
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Chemfluor® PTFE Fluoropolymer Helically Convoluted Inner Tube
High Tensile 304 Stainless Steel Braid
Low Profile

Features & Benefits

Chemfluor® fluoropolymer Inner lubes
  • Superior flexibility and vacuum resistance
  • Convoluted inner lubes are low profile and helical formed to promote drainage
  • Neutral to taste
  • Does not absorb color or odor
  • Non-slick, non-contaminating
  • Easy-to-clean (SIP, CIP, autoclavable)
Unit of Measure

Specifications

Inside Diameter

 N/A 1.25 in31.8 mm

Outside Diameter

 N/A 1-5/8 in40.6 mm
Max. Length1 N/A 100 ft

Max. Working Pressure

 N/A 750 psi5.17 MPa
Min. Burst Pressure2 N/A 3200 psi22.06 MPa

Min. Bend Radius

 N/A 3.50 in88.90 mm
Vacuum Hg (@ 70ºF)3 N/A 29.9 in75.95 mm

Inner Tube

 N/A Chemfluor® White

Weight

 N/A 0.50 lbs/ft0.75 kg/m

Applications

N/A

  • Chemical transfer
  • Steam (tire press) transfer
  • Solvent transfer
  • Acid lines
  • Adhesive transfer
  • CIP lines
  • Food and beverage transfer

Common Media

N/A

  • Sulfuric acid
  • High pressure steam
  • Hydrofluoric
  • Silicone/hot glues
  • Caustic solutions
  • Syrups/flavors

Details

N/A Construction:

  • Inner Tube:
    -Chemfluor® PTFE fluoropolymer
  • Reinforcement:
    -304 stainless steel braid
    -High tensile strength
Fittings
  • PermaSeal® crimp-style
    -Over 40 styles of 316L stainless steel conventional fitting designs
    -316L stainless steel is standard
    -Wide range of other materials available

  • Carbon steel
    -J.I.C (female)
    -Male NPT
    -Crimp collars
    -Consult factory for fitting dimensions

Engineering Specifications

N/A Temperature Rating

  • -65ºF to +450ºF continuous
  • -54ºC to +232ºC continuous

Industry Approvals & Compliances

N/A

  • FDA approved
  • US Pharmacopeia Class VI

Pressure Rating

N/A Burst Pressure ratings at ambient 70ºF (21ºC). See applicable notes below on vacuum/pressure ratings at temperatures other than ambient.
For styles above 2" ID. refer to TWOB/TBOB Series Hose.
Vacuum rating @ minimum bend radius (72ºF); all sizes up to and including 1-1/2" rated @ 29.9 Hg; 2" rated @ 5.0 Hg.
Data given is for straight hose installation.

  • 1 Maximum length may vary. Length supplied will be based on full coil length in stock ±25% of the order length.
  • 2 Burst pressure ratings at ambient 70ºF (21ºC). See applicable notes below on vacuum/pressure ratings at temperatures other than ambient.
  • 3 Vacuum rating @ minimum bend radius (72ºF); all sizes up to and including 1-1/2" rated @ 29.9 Hg; 2" rated @ 5.0 Hg.