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 2-Convolute Teflon®
E6904 R6904
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E6905 R6905
  5-Convolute Teflon®
E6906 R6906
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Ask the EJ Doctor
Ask the Expansion Joint Doctor





E6906 5-Convolute PTFE Expansion Joint

Resistoflex E-Series 5-convolute expansion joints are contour molded of Teflon® T-62 PTFE by a patented process. E-Series expansion joints use limit cables instead of limit bolts to control overextension of the expansion. They also use T-Bands to limit travel and provide a visual indicator of when the joint is at maximum compression. T-bands are not designed to replace safeguarding. Wrap around safety shields are specifically designed to provide sprayout protection and are required in hazardous service. Learn more

Non-Shock Working Pressure (psi) vs. Temperature

Convert To Metric Units
Size (I.D.)
(in.)
A † B C Maximum
Misalignment*
Compression Force
Spring Rate
(lbf / in.)
Extension Force
Spring Rate
(lbf / in.)
Misalignment Force
Spring Rate
(lbf / in.)
Weight (lbs) Vacuum Rating
Neutral Length Maximum
Travel ±
1 3 1/2 27/32 2 1 57/64 5/8 50 110 50 3 Not recommended for vacuum service
1 1/2 3 5/8 7/8 2 7/8 2 35/64 21/32 75 80 50 7
2 3 3/4 7/8 3 5/8 3 13/32 21/32 60 50 50 10
3 4 3/8 1 1/32 5 4 41/64 25/32 55 60 170 16
4 4 9/16 1 3/32 6 3/16 5 11/16 13/16 70 60 80 23
6 5 1/32 1 3/16 8 1/2 8 29/32 90 130 195 34
All Dimensions in inches.
Maximum (axial) travel is based on installation with no misalignment or angular defection.
12"

Flange Material: Painted Ductile Iron
Limit Cable Material: Stainless Steel.
Retaining Ring Material: NITRONIC 50 Stainless Stee

T-Band Material: Carbon Steel

NOTE: Consult Factory for spring rates for angular deflection.

5-convolute expansion joints are NOT recommended for vacuum service

5-Convolute PTFE Expansion Joints
Nom. Dia.
(in.)
DI Flanges & Hardware DI Flanges & Hardware
w/ Nozzle
316 SS Flanges & Hardware
White Liner White Liner White Liner
1 E6906-016WD N/A E6906-016WS
1 1/2 E6906-024WD E6906-024WS
2 E6906-032WD E6906-032WS
N/A
3 E6906-048WD E6906-048WS
4 E6906-064WD E6906-064WS
N/A
6 E6906-096WD Consult Factory E6906-096WS
8 E6906-128WD Consult Factory N/A
10 E6906-160WD Consult Factory
12 E6906-192WD N/A



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