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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  • Swivel flange, lap-joint style. Chemfluor® PFA encapsulated
  • Constructed of Chemfluor® PFA individually molded around stainless steel base material
  • Minimum Chemfluor® PFA thickness on any portion of fitting is 0.50"
  • Chemfluor® PFA is dovetail-locked to flange faces, and secured internally and throughout the serrated areas of the fitting by multiple drillings
Materials
  • Flange insert (stub end): PFA encapsulated stainless steel
PermaSeal® Flange Fittings

PermaSeal flange fittings feature a 316L stainless steel machined stub end, which is far more durable and corrosion resistant than industry standard 304 stainless steel. Thanks to the unique swivel design of the stub end and the fact that the flange "backs up" the stub end and is no in direct contact with corrosive media (as is common with fixed flange designs), the user has the option to choose less costly epoxy-coated carbon steel or low cost plastic flanges.

The machined stub end has an extremely smooth internal surface finish that surpasses the quality normally found with some "as cast" or "mill finish" stainless steel stub ends. In fact, Flexible Components' stainless steel stub ends are machined to Type A Schedule 40 or thicker standards.
Unit of Measure

Specifications

Hose Size

 N/A 2.50 in63.5 mm

Fitting Inner Diameter

 N/A 2.10 in53.34 mm

Flange Outer Diameter

 N/A 7.00 in177.80 mm

"D" Flare Dimensions

 N/A 4.13 in104.90 mm

"A" Overall Length

 N/A Consult Factory

Standards

N/A

  • ANSI B16.5 150# and 300# rating

Technical Data

N/A

  • Ideal applications include all-purpose chemical transfer, pharmaceutical preparations, deionized water transfer, and handling of etching solutions
  • Precision moldings assure uniformity
  • Each style fitting of the same size has identical orifice openings, eliminating potential entrapment at fitting connections
  • Generally larger openings than conventional lined fittings, for maximum flow rates
  • Because Chemfluor® PFA is locked to stainless steel base, liner "flare-away" on flange faces is eliminated
  • Ultimate corrosion and contamination resistance

PermaSeal Nominal Flange Dimensions

N/A