Reply by lilredweldingrod

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Posted on Fire extinguishers

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2496 posts in 3641 days

#1 posted 04-19-2010 10:02 PM

I have 2 large dry chemical that I carried on the welding truck. You need to be aware that the dry chemical will set and pack. They are required to be serviced annually. Mine cost $100 new. There is not much to servicing them.
You need an old vacuum bag to discharge them into in order to save the baking soda. Take a tooth brush and clean all the o-rings of the dust. Inspect and be sure there is no packed chemical inside. Sift and pour the chemical back in the canister, lube the o-rings and reassemble. Recharge with air using the gauge for proper pressure. But to put the sticker on the unit you have to be certified by the state.
A lot of the “non-refillable” are trusted far to long after they are useful. These things will pack and discharge the pressure and leave 1/2 or more in the canister. So I would not take a chance on a lot of them. What are our family’s and homes worth to us. Some places we should not get cheap.
Mine are refereed to as 20 lber’s, because they hold 20 lbs of chemical. 8” in dia.x 18” high. JMHO Rand

PS…Wayne, thanks for waking up and smelling the roses… smoke.

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