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WALKER® COMMERCIAL VEHICLE: Flex Pipe

WALKER® COMMERCIAL VEHICLE: Walker® Flex Pipe • Quality and FLEXibility

Flex Pipe is used to dampen vibrations and movement within the exahust system
Vibration and clamp failure are the most common causes for Flex Pipe wear and tear.

WALKER® COMMERCIAL VEHICLE: Available In:
  • Galvanized
    Recommended for applications
    of up to 600º F / 315º C
  • Aluminized
    Recommended for applications
    from 600º to 1200º F / 315º to 650º C
  • Stainless Steel
    Recommended for applications
    over 1200º F / 650º C

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Follow these instructions for determining the length to cut the pipe.
NOTE: All flexible metal tubing is measured fully extended.

WALKER® COMMERCIAL VEHICLE: Flex Pipe
Determine the length (X") of pipe needed for your application by measuring the gap between the two pipes you intend to connect.
WALKER® COMMERCIAL VEHICLE: Flex Pipe
Allow a 3" overlap at each end (add 6" to the measurement of the gap). This is the length (Y") of Flex Pipe needed.
WALKER® COMMERCIAL VEHICLE: Flex Pipe
Measure distance needed from the far right side inward.


WALKER® COMMERCIAL VEHICLE: Flex Pipe
IMPORTANT:
When measuring and cutting, keep the open side of the Flex Pipe to your right. To determine the open end, turn the end of the pipe toward you and look for the rings to wrap on top.


WALKER® COMMERCIAL VEHICLE: Prior to cutting, Walker recommends
WALKER® COMMERCIAL VEHICLE: Flex Pipe
1. Wrap area to be cut with duct tape. Use a marker to draw a cut guide on the tape. Cut through the tape. Remove tape from Flex Pipe before using.
WALKER® COMMERCIAL VEHICLE: Or
WALKER® COMMERCIAL VEHICLE: Flex Pipe
2. Tack-welding around the intended cut to keep ends from twisting.
WALKER® COMMERCIAL VEHICLE: Or
WALKER® COMMERCIAL VEHICLE: Flex Pipe
3. Placing a punch mark around the intended cut with a mandrel or back-up pipe inside the tubing.


WALKER® COMMERCIAL VEHICLE: Flex Pipe
IMPORTANT:
When measuring and cutting, keep the open side of the Flex Pipe to your right. To determine the open end, turn the end of the pipe toward you and look for the rings to wrap on top.




WALKER® COMMERCIAL VEHICLE: There are three ways to cut Flex Pipe
Select a method that suits your equipment.
WALKER® COMMERCIAL VEHICLE: PLASMA:
Leaves a smooth edge without burrs.
WALKER® COMMERCIAL VEHICLE: CHOP SAW:
Leaves a smooth edge. Some deburring may be required.
WALKER® COMMERCIAL VEHICLE: BAND/HACK SAW:
Leaves a rough edge. Trimming and deburring may be required.


If trimming is required remove by either bending until excess breaks, or by using cutting shears. If deburring is required use a hand-operated drum sander or file on cut surfaces.
For optimal installation, install tubing in its "Natural Lie" state, midway between fully compressed and fully extended. This provides the most workable range and the longest service life of the installed flex tubing.

WALKER® COMMERCIAL VEHICLE: Install:

To determine "Natural Lie", bend the tube as much as possible against the edge of the work bench. Now push the entire tubing against the table until straight to reach its half extension, or natural lie.

WALKER® COMMERCIAL VEHICLE: Flex Pipe
INSTALLATION TIPS:
  • Use stainless steel in high heat areas (i.e.: Turbo outlet)
  • Avoid severe angles (Flex Pipe is not intended to replace elbows)
  • Strap band clamps should be used to make connections