CPSM 195/102-1500/87

CPSM 195/102

     CPSM is a high expansion, tubular sleeve with an internally coated mastic sealant.  To get specific with the nomenclature, CPSM stands for Corrosion Protection Sleeve and the M stands for metric (since that is how it is sized...in mm.)  Looking at the sizing, the 195/102 is quite simple.  The 195 is the ID of the tubular sleeve as supplied (195mm = 7.6771653".)  The 102 is the ID to which the shrink sleeve will shrink down (102mm = 40.15748".)  It can actually shrink slightly smaller than that even as that is dictated by the backing shrinking down.  As the backing shrinks down, the mastic adhesive actually thickens resulting in a solid seal there.

     CSPM is a thick walled, radiation crosslinked, heat shrinkable polyolefin.  It has historically been used to encapsulate mechanical couplings and straight pipe surfaces with a strong, impervious seal.  While the sleeve conforms to the shape of the coupling and/or pipe, the sealant softens and is forced into all surface irregularities, ensuring a permanent environmental seal.  CPSM sleeves are are easy and fast to install, bonding effectively to metals, plastics and other materials.  Should the backing be mechanically damaged, the sealant will fill the damaged area, preventing corrosion. 

     CPSM also has a high resistance to bending, impact, abrasion, penetration, corrosive gases or fluids, disbonding and long term storage.  The high shrink ratio allows the CPSM 195/102 to be used on a wide range of different substrate configurations and sizes.

     Installation is carried out in just a few short steps:

1. Slide CPSM into place before welding or attaching coupling.
2. Clean weld area with a hand or power wire brush to remove rust, dirt and foreign materials.
3. Preheat field joint and adjacent factory applied coating to 140F to 180F.  
4. Remove sleeves inner protection release paper and center sleeve over area to be coated.
5. Heat sleeve beginning at center working torch circumferentially (around the circumference of the sleeve) heating evenly.
6. Shrink toward one end; return to middle and then shrink toward the other end.
7. Sleeve is fully and properly installed when:  there are no cold spots or dimples on sleeve surface; weld bead or coupling profile can be seen through sleeve and mastic flow is evident at both edges of sleeve.

     If this sounds like the right product, but the sizing is not what you need, please contact us to discuss other options that we have available.  steve@jsicoatings.com

Covalence Heat Shrink Tubing

Covalence Heat Shrink Tubing and Raychem Heat Shrink Tubing

     This can sometimes get a little bit confusing! I've written previously with a more thorough explanation of the history of Raychem as a brand name, so I will keep things a little bit simpler here.  What ultimately happened, is Raychem kept the name, factory and rights to all of the parts that are typically used in the electrical and energy world.  Covalence ended up with all of the rights to the products that are manufactured for the pipeline world.  As you might imagine, pipelines are typically larger than electrical cables; so ultimately it comes down to size.  Raychem heat shrink tubing is almost always smaller.  Covalence heat shrink tubing is almost always larger.

Covalence Heat Shrink Tubing

     The most commonly sold tubing manufactured by Covalence is the TPS shrink sleeve (stands for Tubular Pipe Sleeve).  This is a heat shrinkable, radiation crosslinked polyolefin backing; coated on the inside with an aggressive mastic sealant.  This mastic sealant bonds to all of the commonly used factory applied pipeline coatings.  TPS heat shrink sleeves are generally only made for pipelines for pipelines 2" thru 8".  This would cover pipe ODs: 2.375" (TPS 2375-18), 2.875" (TPS 2875-18), 3.500" (TPS 3500-18), 4.500" (TPS 4500-18), 6.625" (TPS 6625-18) and 8.625" (TPS 8625-18).  We do also sell TPS in a 9" length (as far as the nomenclature goes; just replace the "18" with a "9".  

The sleeve on the right is a TPS; tubular shrink sleeve

 

     Covalence also manufactures a CPSM shrink sleeve.  We stock the CPSM 195/102-1500-S which is a shrink tube supplied with an ID of 7.677" that will shrink all the way down to a substrate that is 4.01".  This tube is actually 4.92 feet long - so it can be used for a variety of different applications.  CPSM is a high expansion, heavy wall shrink tubing that is coated internally with a mastic sealant meaning that it will bond well to most all surfaces. 

Raychem Heat Shrink Tubing

     Raychem heat shrink tubing, on the other hand, is MUCH smaller - designed for electrical applications and rated for use on certain voltage levels.  WCSM is the most commonly sold shrink tubing: 

WCSM is sold in a variety of sizes; all designed for different wire and connector configurations

     For a more thorough explanation of the different WCSM sizes; visit our page dedicated to WCSM tubing.  WCSM is rated for use to 1000 volts and can be used as a jacket repair all the way up to 35 kV.  

Raychem manufactures dozens of other tubings.  For more information on any of them, visit the electrical blog or our JSI Coatings electrical section.