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you can make one out of a pair of needle nose vise grips. you notch out a section on the top jaw and weld a half a ball on the bottom. when you clamp together, the weld ball goes into the part you notched out. when you put something inbetween and keep on doing it, it make a bead lika a bead roller.
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I've been interested in making something like this for a while, but this is so much more simple and is adaptable to diffrent size tubing. I wanted it for fuel lines, mine are rusting out and didnt want to rip the engine cradle out to install new ones. COOL TOOL!
I usually use any excuse to buy a tool, but for beading, I just go down to a local radiator shop. Depending on how they feel on a given day they will usually bead whatever I have for $5 or even free.
My dad and I run a fire sprinkler repair and service company we have a tool thats called a roll groover that we use on joining water supply pipes for the sprinkler system basically its the same concept as the bead roller only it does it in the opposite direction, it makes a groove instead of a bead so when the hose clamp clamps down on the silicone coupler it pushes it down into the groove we put 200psi + of water on something like this all day long so it should work the same thats what im doing....
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no just a regular hose clamp the pressure from the clamp combined with the flexibility of the silicone hose couplers pushes the silicone down into the groove enough for the groove to grip the coupler. On sprinkler systems we usually use a special fitting to join the pipes together its the same concept as using 2 hose clamps and a coupler.
Last edited by sinistersntra91 : 08-02-2005 at 09:58 PM.
no just a regular hose clamp the pressure from the clamp combined with the flexibility of the silicone hose couplers pushes the silicone down into the groove enough for the groove to grip the coupler. On sprinkler systems we usually use a special fitting to join the pipes together its the same concept as using 2 hose clamps and a coupler.
be careful using a roll grooved end though - as it goes inside the pipe you start reducing the internal diameter of the pipe work.
also i can't quite see how the interal groove helps compared to an external bead - the bead is there to stop the hose clamp slipping past, where as an internal groove will only do so much.
sinistersntra91 - as you know a roll grooved coupling used on this type of end have an extra lip that goes inside the groove, holding the internal rubber gasket in place.
(by the way, I work for a sprinkler installation company on the other side of the world )
good luck though! I'm not running boosted so don't have any issue with beading pipes
be careful using a roll grooved end though - as it goes inside the pipe you start reducing the internal diameter of the pipe work.
also i can't quite see how the interal groove helps compared to an external bead - the bead is there to stop the hose clamp slipping past, where as an internal groove will only do so much.
sinistersntra91 - as you know a roll grooved coupling used on this type of end have an extra lip that goes inside the groove, holding the internal rubber gasket in place.
(by the way, I work for a sprinkler installation company on the other side of the world )
good luck though! I'm not running boosted so don't have any issue with beading pipes
yeah but you dont reduce the internal diameter by much, and yes there is an extra lip that goes inside the groove but as you also know there is not a direct pressure on the groove with that coupling if you use a hose clamp its a more direct pressure on that groove therefore pushing the silicone down into the groove.
LOL why dont you guys just skip the silicone cupplers and just use the victolic wont ever have to worry about a blow out btw im a Pipe fitter and used to do sprikler fitting during my apprenticeship
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LOL why dont you guys just skip the silicone cupplers and just use the victolic wont ever have to worry about a blow out btw im a Pipe fitter and used to do sprikler fitting during my apprenticeship
extra weight ya dont need, plus they are kinda pricey
extra weight ya dont need, plus they are kinda pricey
sweet, i kinda see where your coming from with using that type of pipe end.
definitely a heavy fitting, damn shame - there should be some perks to the job....
sweet, i kinda see where your coming from with using that type of pipe end.
definitely a heavy fitting, damn shame - there should be some perks to the job....
)
btw im a Pipe fitter and used to do sprikler fitting during my apprenticeship
