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Item # 352 0461, Contef® Convoluted PTFE Tubing



  • Translucent PTFE tubing offers excellent chemical and electrical properties
  • Available from stock with or without a stainless steel wire encircling the O.D. Wire coil provides increased pressure capability and aids in electrical grounding
  • Easily flexed - spiral construction allows far greater flexibility than straight wall tubing
  • Spiral construction also allows for easier cleaning
  • Made from FDA-sanctioned ingredients
  • Available to AMS-T-81914/1 (without wire only)
    (CONTEF with AMS (Aerospace Material Specifications) is available without wire only and is not stocked)
Notes

CONTEF's helical construction aids in self cleaning when flushed with standard cleaning fluids.

The cuffs (straight ends) are made to accept standard barbed fittings. Hose assemblies made to your specifications are available.

PTFE's color will vary naturally from lot to lot, but the quality and physical properties do not change.

FEP CONTEF for longer continuous lengths - up to 500 ft. - is available through custom order.

CONTEF With Wire:

Vacuum Service: 29.9 in./Hg at 70ºF.

For high vacuum applications, CONTEF can be produced with wire on the I.D.

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Specifications  · Physical Properties

Specifications

Type

With Wire

I.D. (Dim. A)

3/4 in

Dim. B

1-1/2 in

Dim. C (Nom.)

0.025 in

Dim. D (Ref.)

0.780 in

Dim. F (Nom.)

0.617 in

Bend Radius

1-3/4 in

Working Pressure at 70ºF

55 psi

Burst Pressure at 70ºF

220 psi

Max. Length

20 ft


Physical Properties

Hardness, Shore D

55-65

Min. Tensile Strength

2000 psi

Elongation at Break

200 %

Brittle Temperature1

<-110 ºF

Max. Operating Temp.2

350 ºF

Max. Cont. Svc. Temp., Zero Pressure3

350 ºF

Notes

Values listed are typical for the material used in manufacture, except where noted, and are meant only as a guide to aid in design. Field testing should be performed to find the actual values for your application.
1 Temperatures are for standard extruded (non-coiled) tubing.
2 Temperatures are for standard extruded (non-coiled) tubing.
3 Temperatures are for standard extruded (non-coiled) tubing.