Blasting questions

T

texasking

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I have an old pressure blaster that I am tired of fighting. The media valve on the bottom gets plugged unless it is almost wide open. The deadman valve is cheap and not very user friendly. The hose is dry rotted and needs to be replaced. Is there a source that sells upgraded parts or should I just buy a new one? Suggestions?
 
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I would make sure the media is bone dry and fine so it doesn't clog anywhere. A local hose maker or hydraulic hose supplier could probably make a replacement hose. I just use a ball valve instead of a deadman valve. Much easier. Just buy two because they will wear out.
 
imo, buy a new one. if you want to blast as trouble free as possible then you need an actual blaster made with real blaster parts, not plumbing fittings. a good blaster wont have a ball valve as a mixing valve. a true mixing valve is designed different and all the parts are carbide so they dont wear. same with the deadman valve. even the hose is different. there is actual real blasting hose which is a super thick wall. i got so sick and tired of always messing around with those cheap blast pots. in 1/2 hr of blasting, 15-20 min was spent screwing around with the pot. i bit the bullet and bought a blaster from marco years ago. not cheap but it paid for itself quick just in saved time.
 
Ditto Jim C but as ksungela said too, your air supply has to be dry. I gave up on blasting a few years ago, gave my TIP pressure blaster to a friend (he hasn't used it so we're still friends). I'll take my stuff to the PC guy for blasting and pick it up when it's done.
 
there's a lot to blasting. first you have to understand how a pressure rig works . too much pressure in the hose and no media will fall into the stream , too much in the pot and it will fill the hose . once i get mine set it blast pretty much trouble free . my air is not really dry . it is a 185cfm compressor so a dryer would cost more than the blaster .

mine is for sale by the way .
 
I knew a guy that made his own aftercooler for a trailered 185 compressor out of junkyard turbo intercoolers and condenser fans. I'm sure there was more to it than that, but that's what I saw. Not sure if it was worth it, but I didn't see any signs of moisture in the work that he did.
 
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