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Monday, June 10, 2013

DIRAX Kit - Explained

     Question:  What is included in a DIRAX kit?

     Answer:  This is one of the most commonly asked questions.  Given the fact that ordering a WPCT sleeve is very simple and straightforward - I completely understand why the DIRAX Kit is harder to understand.

A DIRAX kit includes three components as seen below:

Road Bore Sleeve
A DIRAX Sleeve

     This (above) is the DIRAX shrink sleeve.  It is (as discussed elsewhere in this blog) a fiber reinforced, high shear shrink sleeve specifically designed to withstand the tremendous forces that a pipe coating experiences during a road bore (or directional drilling) application.  As standards, it is available in widths of 12", 17" and 24" (the sleeve in the picture is a 12" wide sleeve).

Wear Cone
Leader Strip or Wear Cone
     This (above) is the Wear Cone or Leader Strip.  It is a 3" wide shrink sleeve; made from the same exact material as the DIRAX sleeve.  It is installed on the leading edge of the sleeve to give it added protection.  

Liquid Epoxy
An S1301M Epoxy Primer Kit
     This (above) is an S1301M Primer 15 Kit.  It includes the "A" component; the "B" component; an applicator pad; two gloves and a mixing stick.  This acts as the primary corrosion coating for DIRAX shrink sleeves.  One thing that can be confusing to new customers is that one epoxy kit (as pictured) contains enough epoxy for more than one field joint (most of the time) depending on the outside diameter of the pipe and the width of the sleeve (since epoxy is applied everywhere the sleeve will contact the pipe on FBE and ARO coated pipe).  

Below is the ratio of Epoxy Primer Kits to Shrink Sleeve dependent on sleeve and pipe sizes.  Where it says 5:1; this means 5 DIRAX road bore kits can be installed using 1 epoxy kit (assuming the contractor has properly welded, and cleaned those 5 joints ahead of time).  It also means 1 epoxy kit will be supplied; as part of the kit; for every 5 DIRAX sleeve kits purchased.

DIRAX Epoxy Supplied Chart

DIRAX 2375-12 - 5:1
DIRAX 2375-17 - 5:1
DIRAX 2375-24 - 5:1

DIRAX 2875-12 - 5:1
DIRAX 2875-17 - 5:1
DIRAX 2875-24 - 5:1

DIRAX 3500-12 - 5:1
DIRAX 3500-17 - 5:1
DIRAX 3500-24 - 5:1

DIRAX 4500-12 - 5:1
DIRAX 4500-17 - 5:1
DIRAX 4500-24 - 4:1

DIRAX 6625-12 - 5:1
DIRAX 6625-17 - 4:1
DIRAX 6625-24 - 3:1

DIRAX 8625-12 - 5:1
DIRAX 8625-17 - 3:1
DIRAX 8625-24 - 2:1

DIRAX 10750-12 - 4:1
DIRAX 10750-17 - 3:1
DIRAX 10750-24 - 2:1

DIRAX 12750-12 - 3:1
DIRAX 12750-17 - 2:1
DIRAX 12750-24 - 2:1

DIRAX 14000-12 - 3:1
DIRAX 14000-17 - 2:1
DIRAX 14000-24 - 3:2

DIRAX 16000-12 - 3:1
DIRAX 16000-17 - 2:1
DIRAX 16000-24 - 3:2

DIRAX 18000-12 - 3:1
DIRAX 18000-17 - 2:1
DIRAX 18000-24 - 3:2

DIRAX 20000-12 - 2:1
DIRAX 20000-17 - 3:2
DIRAX 20000-24 - 1:1

DIRAX 22000-12 - 2:1

DIRAX 22000-12 - 3:2

DIRAX 22000-12 - 1:1

DIRAX 24000-12 - 2:1
DIRAX 24000-17 - 3:2
DIRAX 24000-24 - 1:1

DIRAX 26000-12 - 2:1
DIRAX 26000-17 - 3:2
DIRAX 26000-24 - 1:1

DIRAX 28000-12 - 3:2
DIRAX 28000-17 - 1:1
DIRAX 28000-24 - 1:1

DIRAX 30000-12 - 3:2
DIRAX 30000-17 - 1:1
DIRAX 30000-24 - 2:3

DIRAX 32000-12 - 3:2
DIRAX 32000-17 - 1:1
DIRAX 32000-24 - 2:3

DIRAX 34000-12 - 3:2
DIRAX 34000-17 - 1:1
DIRAX 34000-24 - 2:3

DIRAX 36000-12 - 3:2
DIRAX 36000-17 - 1:1
DIRAX 36000-24 - 2:3
 
DIRAX 38000-12 - 3:2
DIRAX 38000-17 - 1:1
DIRAX 38000-24 - 2:3
 
DIRAX 40000-12 - 1:1
DIRAX 40000-17 - 1:1
DIRAX 40000-24 - 1:2
 
DIRAX 42000-12 - 1:1
DIRAX 42000-17 - 3:2
DIRAX 42000-24 - 1:2
 
DIRAX 44000-12 - 1:1
DIRAX 44000-17 - 2:3
DIRAX 44000-24 - 1:2
 
DIRAX 46000-12 - 1:1
DIRAX 46000-17 - 2:3
DIRAX 46000-24 - 1:2
 
DIRAX 48000-12 - 1:1
DIRAX 48000-17 - 2:3
DIRAX 48000-24 - 1:2
 

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