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help with tubing/barbs

post #1 of 13
Thread Starter 
hey guys. i got a rasa 750 kit installed in my machine. it comes with 7/16id 5/8 od tubing, and also comes with 1/4 to 1/2id barbs. now to hold the tubing on to the barb it comes with these little plastic clamps.

Im adding a second rad to my loop, and before i buy the rad i need to know what tubing/barbs/compression fittings to buy. As i understand if you have 1/2id barbs should you use 1/2 id tubing?

also whats the difference between a compression fitting and a barb?

someone help me please! lol
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post #2 of 13
difference between barbs and compressions is the look of it, that's it. it'd be wise to stick with the same size tubing that you already have. with that said, pick up some 1/2 ID barbs and 7/16th tubing.
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post #3 of 13
Thread Starter 
Quote:
Originally Posted by JE Nightmare View Post
difference between barbs and compressions is the look of it, that's it. it'd be wise to stick with the same size tubing that you already have. with that said, pick up some 1/2 ID barbs and 7/16th tubing.
now if i buy the barbs, do they come with clamps of some kind? or do i not need them?
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post #4 of 13
barbs normally do not come with clamps, if you go barbs you need to get either some worm screws aka c-clamps, or spring clips... I prefer spring clips as they are not as hard on the the tubing, but ask 2 people get 15 answers... the plastic ones I steer away from generally, just cause i am bias and not from practical experience.

umm but yes, I would use them, not using a retention device on a fluid line (even just a zip tie) is asking for a leak down the road.
 
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by Soggysilicon View Post
barbs normally do not come with clamps, if you go barbs you need to get either some worm screws aka c-clamps, or spring clips... I prefer spring clips as they are not as hard on the the tubing, but ask 2 people get 15 answers... the plastic ones I steer away from generally, just cause i am bias and not from practical experience.

umm but yes, I would use them, not using a retention device on a fluid line (even just a zip tie) is asking for a leak down the road.
thanx for your help. i bought two of the metal spring clamps (c shaped) and 2 plastice ones. my kit came with the plastic ones and i bought the 2 metal ones just to try them see how i like em.

i never thought of a zip tie. but i could see that working real nice. basically those plastic ones are almost like a zip tie.

also, i think, though i could be wrong, the reason people use 7/16id tubing is because it is less prone to leaking at the barb due to it being a smaller diameter than the 1/2id tubing. like i said i could be wrong about this, i am very new to wc. but this sounds right. i know when i installed my rasa kit i had a hell of a time getting the tubing over the barb without breaking anything. even without the clamps i dont think there is any chance of it coming off. in fact im dredding installing this second radiator i got coming from frozen cpu because of that. ( i went with the xspc rx240 btw =] )

originally i was going to replace my rs240 with a better rad. Then i decided that why let the rs go to waste? at the mere cost of extra tubing, a couple barbs, and a couple clamps i could have TWO rads. =]

once again thanx for all the help. you really cleared some stuff up that i wasnt understanding clearly.
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post #6 of 13
Thread Starter 
shoot, i forgot to order screws. what kind of screws would i need for mounting 120x25mm fans to this thing?
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post #7 of 13
Quote:
also, i think, though i could be wrong, the reason people use 7/16id tubing is because it is less prone to leaking at the barb due to it being a smaller diameter than the 1/2id tubing. like i said i could be wrong about this, i am very new to wc. but this sounds right. i know when i installed my rasa kit i had a hell of a time getting the tubing over the barb without breaking anything. even without the clamps i dont think there is any chance of it coming off. in fact im dredding installing this second radiator i got coming from frozen cpu because of that. ( i went with the xspc rx240 btw =] )
I have heard of people heating up some water and putting the tubing ends into said heated water to temporarily soften the material to get it around the fitting, as it cools back it shrinks/stiffens making a good seal, your mileage may vary though depending on the quality of the tubing.

Zips ties are nice in a pinch, but the surface area of the tie around the barb is a little rink a dink in lue of a proper spring clip, plus a zip tie usually has a little tread which could cold work the tube a little bit. Again hard to say, I suppose it depends on how much Psi your trying to develop. Come to think of it, dont forget a little plumbers tape, a little bit will really help keep your threads in good shape.

XSPC rads, at least the rx240 uses M4 screw threads, which is roughly (equivalent) to 32 threads per inch, #6 diameter screw (i think) Lots of places like ace hardware have the m4's, length just do what I do, go into the store with all your crap, head over the the fiddly bits section and assemble your stuff right there in the store (or a mock up), but what you need and move on. Never know if you need some washers or want to toss a nut on, or go pan head or flatter surface... hard to figure especially if your using a decoupler/spacer/shrouds/foam padding.
 
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post #8 of 13
Thread Starter 
Quote:
Originally Posted by Soggysilicon View Post
I have heard of people heating up some water and putting the tubing ends into said heated water to temporarily soften the material to get it around the fitting, as it cools back it shrinks/stiffens making a good seal, your mileage may vary though depending on the quality of the tubing.

Zips ties are nice in a pinch, but the surface area of the tie around the barb is a little rink a dink in lue of a proper spring clip, plus a zip tie usually has a little tread which could cold work the tube a little bit. Again hard to say, I suppose it depends on how much Psi your trying to develop. Come to think of it, dont forget a little plumbers tape, a little bit will really help keep your threads in good shape.

XSPC rads, at least the rx240 uses M4 screw threads, which is roughly (equivalent) to 32 threads per inch, #6 diameter screw (i think) Lots of places like ace hardware have the m4's, length just do what I do, go into the store with all your crap, head over the the fiddly bits section and assemble your stuff right there in the store (or a mock up), but what you need and move on. Never know if you need some washers or want to toss a nut on, or go pan head or flatter surface... hard to figure especially if your using a decoupler/spacer/shrouds/foam padding.
yea im going to do that once everything arrives. it comes with mounting screws, but i dont think it comes with enough for push pull. thanx +1
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post #9 of 13
Quote:
Originally Posted by AliceInChains View Post
yea im going to do that once everything arrives. it comes with mounting screws, but i dont think it comes with enough for push pull. thanx +1
Just make sure when you are screwing the fans on not to puncture the tubes of the radiator. Many people do not realize how easy it is to puncture the tubes on a radiator and end up accidentally destroying their gear.
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post #10 of 13
Quote:
Originally Posted by charliehorse55 View Post
Just make sure when you are screwing the fans on not to puncture the tubes of the radiator. Many people do not realize how easy it is to puncture the tubes on a radiator and end up accidentally destroying their gear.
Words of wisdom, and easy easy easy to do no matter how many times you do it. +1
 
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