Recommend me the correct packing to use
Recommend me the correct packing to use
(OP)
Hi Fellas
question about gland packing
i have a multistage pump (boiler feed water pump)with working pressure around 4-7 mpa and working temperature 100-150 degree celcius...
been using high pressure gland asbestos packing but recently the packing keep leaking and need changing frequently..already doing re-alignment and also replaced the shaft sleeve but the leaking still occurred..
can u guys suggest to me any alternative to resolve the problem?
thanks in advance guy for ur help..
question about gland packing
i have a multistage pump (boiler feed water pump)with working pressure around 4-7 mpa and working temperature 100-150 degree celcius...
been using high pressure gland asbestos packing but recently the packing keep leaking and need changing frequently..already doing re-alignment and also replaced the shaft sleeve but the leaking still occurred..
can u guys suggest to me any alternative to resolve the problem?
thanks in advance guy for ur help..





RE: Recommend me the correct packing to use
If that's not an option, I would recommend going to the site of a packing supplier like this one:
http://www.johncrane.com/Products.asp?r=gg&l=e...
Peruse through the offerings, they all have working ranges and suggested uses.
Finally, I would make sure you are installing the packing properly. I have seen packing installed in a variety of ways, and its very easy to mess up and cause leakage. Most manufacturer's will be happy to provide a recommended installation sheet, and one that I have is attached below. Most mistakes I've seen made are on steps 4 and 5.
Hope this helps
RE: Recommend me the correct packing to use
In HVAC applications, (chilled water, hot water heating), we must have some leakeage from a packing in order to prevent it from burning up due to friction. When I was young and dumb, I tightened the packing down tight on a chilled water pump, and rather than water dripping, smoke began to evolve; they thought the building was on fire. Packing flow-by can get to an unacceptable level, above which too much make-up water is admitted into the system, along with dissolved minerals which create insulation in heat exchange surfaces. The pump would normally have a drip sump with piping to a drain to keep a mess from being on the floor or other vulnerable area; this will accommodate a modicum of leakage. Reifleman2 has the better idea in installing a mechanical seal, if the pump can accept it. If not cost-prohibitive, starting over with a new seal-style pump might be the best for overall reliability.
RE: Recommend me the correct packing to use