Posted by: Dale "Head_Hunters" DuPont on May 30, 2003 at 12:18:02

I am such a happy camper. The tanks from the fire extinguishers are aluminum and come if various sizes. They are rated from 150 to 500 psi depending on the model and tested to twice that pressure. They are LIGHT. The smaller ones are FREE! from your local fire extinguisher supply place. The Kiddie Brands and others are NOT rechargable. They just 'take the old tank in on exchange' and sell them a new one. They sell the old ones for scrap aluminum or trash them. NOW the Down side. They reason they are NOT rechargable is the thread on the tank is a WIERD non standard thread... You HAVE to adapt the nozzle that HAS the weird thread. So make sure they have a tank WITH a nozzle when you call around. Adapting it seemed to be a pain but I, with my superior intellect and CHEAP disposition, I figured it out! Disassemble the valve and remove the metal valve stem. Cut the sucker off right above the flange that screws against the tank. Now, I was TOO CHEAP to spend $20 on a drill that is large enough to make a hole to tap with a 1/2 pipe thread. I had a CHEAP, dull, spade bit that was close to the right size and ground it down to match the taper on my newly purchased for $7 - 1/2 pipe thread tap. Put it in the drill press, put the tank thread in a vise and drilled the sucker out. Takes a little finesse and a very slow feed rate but it worked times two tanks. Don't dare try holding it in your hand. Don't cut off the side piece until you are done tapping the hole.... Then I tapped the 1/2 pipe thread. I put the tap in a vice and used a pipe wrench on the flange and those handy pieces of plastic still sticking out the sides to get some 'bite'on it. Lots of lube and back it out several times to clear out the cut plastic. Wanting to make the adaption beefy enough to resist potential damage from my frequent falls and headers that occur while I'm trying to pretend I am 20 years old again, I installed a metal 1/2 pipe union carefully selected for the right length that I could screw on a 1/2 x 3/4 metal adaptor that would screw right down to the shoulder of the flange portion. The inside port is the same inside diameter of a 1/2 pipe. The outside diameter is your standard 3/4" pipe thread. By using TWO smaller tanks with 1/2 pipe thread inside diameters, I feel I can feed enough volume to my 3/4" Rainbird valve. The metal 3/4" T fitting connecting the two tanks is handy for drilling a tapping as a manifold for the pressure relieve valve, guage, and regulator input. All 1/4" NPT threads.

Follow Ups: Re: Lightweight Pressure Reseviors for Hand Helds The Demolition Goblin 21:57:11 05/30/03 (17) Do you think I ever reach my 5 pound goal? Dale "Head_Hunters" DuPont 11:36:49 05/31/03 (16) 14 lbs? Good Lord.... Dave Hall 14:25:31 05/31/03 (15) Re: 14 lbs? Good Lord. /// T'ain't that bad The Demolition Goblin 22:31:02 05/31/03 (14) Re: 14 lbs? Good Lord. /// T'ain't that bad T.J. "Mad Scientist for the Tiger Tank" Allcot 01:14:33 06/02/03 (0) There you go, picking on me again! Bill "Capt Bill" Tison 18:27:59 06/01/03 (9) now that you mention it... T.J. "Mad Scientist for the Tiger Tank" Allcot 01:08:16 06/02/03 (8) I was going to do the same Bill "Capt Bill" Tison 08:18:44 06/02/03 (7) plywood? T.J. "Mad Scientist for the Tiger Tank" Allcot 00:16:16 06/03/03 (3) uh oh Bill "Capt Bill" Tison 17:53:26 06/03/03 (2) Re: uh oh T.J. "Mad Scientist for the Tiger Tank" Allcot 19:07:37 06/04/03 (1) Re: uh oh Bill "Capt Bill" Tison 07:55:50 06/05/03 (0) I was wondering ig they had that much plywood The Demolition Goblin 19:20:51 06/02/03 (2) Re: I was wondering ig they had that much plywood T.J. "Mad Scientist for the Tiger Tank" Allcot 00:20:37 06/03/03 (1) Interchangable barrels The Demolition Goblin 07:05:00 06/03/03 (0) Re: 14 lbs? Good Lord. /// T'ain't that bad Michael "LCT_Paintball" Lyon 00:25:09 06/01/03 (2) 3 shots ? The Demolition Goblin 10:01:34 06/01/03 (1) Re: 3 shots ? Michael "LCT_Paintball" Lyon 19:33:31 06/01/03 (0) Re: Lightweight Pressure Reseviors for Hand Helds Dave Hall 16:25:52 05/30/03 (0) Post a Followup Show your name as: DefaultRealnameBothNickname E-Mail address (eg: joeschmoe@aol.com): Show your e-mail address? DefaultYesNo Your Password: Don't have a password? CLICK HERE - Forgot your password? CLICK HERE Subject: Subject:Message: : I am such a happy camper. : The tanks from the fire extinguishers are aluminum and come if various sizes. They are rated from 150 to 500 psi depending on the model and tested to twice that pressure. : They are LIGHT. The smaller ones are FREE! from your local fire extinguisher supply place. The Kiddie Brands and others are NOT rechargable. : They just 'take the old tank in on exchange' and sell them a new one. They sell the old ones for scrap aluminum or trash them. : NOW the Down side. They reason they are NOT rechargable is the thread on the tank is a WIERD non standard thread... : You HAVE to adapt the nozzle that HAS the weird thread. So make sure they have a tank WITH a nozzle when you call around. : Adapting it seemed to be a pain but I, with my superior intellect and CHEAP disposition, I figured it out! : Disassemble the valve and remove the metal valve stem. Cut the sucker off right above the flange that screws against the tank. : Now, I was TOO CHEAP to spend $20 on a drill that is large enough to make a hole to tap with a 1/2 pipe thread. I had a CHEAP, dull, spade bit that was close to the right size and ground it down to match the taper on my newly purchased for $7 - 1/2 pipe thread tap. : Put it in the drill press, put the tank thread in a vise and drilled the sucker out. Takes a little finesse and a very slow feed rate but it worked times two tanks. Don't dare try holding it in your hand. Don't cut off the side piece until you are done tapping the hole.... : Then I tapped the 1/2 pipe thread. I put the tap in a vice and used a pipe wrench on the flange and those handy pieces of plastic still sticking out the sides to get some 'bite'on it. Lots of lube and back it out several times to clear out the cut plastic. : Wanting to make the adaption beefy enough to resist potential damage from my frequent falls and headers that occur while I'm trying to pretend I am 20 years old again, I installed a metal 1/2 pipe union carefully selected for the right length that I could screw on a 1/2 x 3/4 metal adaptor that would screw right down to the shoulder of the flange portion. : The inside port is the same inside diameter of a 1/2 pipe. The outside diameter is your standard 3/4" pipe thread. : By using TWO smaller tanks with 1/2 pipe thread inside diameters, I feel I can feed enough volume to my 3/4" Rainbird valve. : The metal 3/4" T fitting connecting the two tanks is handy for drilling a tapping as a manifold for the pressure relieve valve, guage, and regulator input. All 1/4" NPT threads. [ Follow Ups ] [ Post Followup ] [ WARPIG Tank Talk ]