Graphtex Ultra shaft packing contains a blend of W.L. Gore fibers and graphite fibers that are impregnated with PTFE. This combination of fibers makes packing thermal conductive, strong, and extremely durable. The thermal conductive nature dissipates heat away from the stuffing box, allowing it to run cooler and more efficient.
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-328/536 F (-200/280 C)
435 PSI (3Mpa)
1450 PSI (10Mpa)
2900 PSI (20Mpa)
0-4400 FPM (0-22m/s)
Is 1/4" the actual width or is it a little larger to allow for compression? I need to fill a 0.265" gap between shaft and stuffing box.
Hi Don, 1/4" is the width/height of the packing material. The extra .015" will help slide the packing in, as it is a woven material and doesn't necessarily hold a perfect 1/4" square. Once the stuffing box is tightened, it will squeeze it to fit that extra .015" as well. The next size is up is 5/16" (.31") which will not squeeze easily into that gap properly. If the stuffing box is original, or you can reference the stuffing box manufacturer, they may also indicate which packing material is designated for that specific one.
JD Tech Associate
How do I find out packing size I have a one inch shaft 1 and 3/4 packing box?
Subtract the shaft size fromt the size of the stuffing box and split the difference. this would be the size of the space on either side of the shaft. So you'd have 6/8ths left over, divided in half you'd have 3/8ths space on either side of the shaft
Will this work on a 1 1/4" powerboat shaft with a standard flexible stuffing box? I'm not sure of the packing size until I pull it out.
After you figure out the size packing that you need you will find this product easy to cut to size and install. Once installed easy setting up the packing compression. Initial run-in produces a little bit of minor heat.
I just put them in a 35 foot Egg Harbor and drove across Lake Ontario and had no issues or problems with them at all. Just make sure you put them in correctly .
1 1/4 was my shaft size and one kit did both shafts. No more leaks
It will work fine. There are other good options. Teflon inpregnated or the old wax version which requires a drip per minute. The newer ones require less but still require some. Stainless steel does rust... In the absence of oxygen it will eat through the shaft.
THOMAS S BLANKENSHIP
Graphtex Ultra GTU Shaft Packing by Western Pacific
Easy to use
see your dentist
Ask your dentist for a used dental pick.
Great packing for higher speed ,medium to small diam. shafts, runs cooler and lasts longer than standard non graphite products.
stuffing box packing
when you handle this product your hands will get dirty. I suggest using latex gloves.
long island, ny
Graphtex Ultra GTU Installs Easily
Installing the packing was very easy. It was easily cut on a diagonal and the edges did not fray. I just wish that removing the old packing was as easy. I would recommend this packing with no reservations