Best Pliers for Koolance Hose Clamp

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t00bs
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Best Pliers for Koolance Hose Clamp

Postby t00bs » Wed Jan 18, 2012 4:38 pm

Hi,

Just wondering which hose clamp pliers or tool people use for compressing Koolance flat band style hose clamps?

I found bull-nose pilers to work but you have to be very careful you don't slip and damage or scratch components and they are difficult to orient correctly in confined spaces.

I purchased some automotive flat-band hose clamp pliers with rotating jaws from eBay, however, the jaws were too wide for the tangs on CLM-19 hose clamps.

Any other suggestions or techniques also welcome.


Cheers,
t00bs

Ace0751
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Re: Best Pliers for Koolance Hose Clamp

Postby Ace0751 » Thu Jan 19, 2012 11:29 am

I'm not big using hose clamps but if you want try looking for the ones that have the screw in them. You can get them at your local home improvement store just fine the smallest ones. I used those when I liquid cooled my NB and had no problems with it leaking and you can get a better tight fit than the ones you have to use the pliers with.
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Izerous
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Re: Best Pliers for Koolance Hose Clamp

Postby Izerous » Thu Jan 19, 2012 1:34 pm

I'm with Ace of this one I avoid the hose clamps like the plague and keep with the compression fittings when ever possible.

What I have used when I did need to get a hold of those however I use a pair of these, that I picked up from canadian tire a while ago.
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t00bs
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Re: Best Pliers for Koolance Hose Clamp

Postby t00bs » Sun Jan 29, 2012 6:32 pm

Izerous wrote:Im with Ace of this one I avoid the hose clamps like the plague and keep with the compression fittings when ever possible


Don't really want to get into an argument about barbs vs compression fittings, however, the reason I chose barbs is for reliability.
I've found traditional barbs to be far more resistant to lateral shear force that can cause the tube to come away from the fitting.
I noticed this on my first external rad where I was using compression fittings and the weight of the hoses with a couple of heavy QDC fittings caused a hose to come off the rad when I moved it.
I replaced those compression fitting with barbs and didn't have thye problem again.
The reason barbs don't suffer from that issue is due to the vastly increased clamping area.

Since then I now run an external MO-RA3 420 with 2 x PMP-450S pumps controlled by a CTR-SPD24X2 in series.
@24V my effective pressure in the loop is 100 PSI.
Knowing that a hose will not pop off the end of a barb under pressure gives me peace of mind.

Anyway, I ended up grabbing a set of Irwin 250mm GroveLock flat-jawed pliers.
I took a CLM-19 clamp with me to the hardware store to find the best tool for the job.
They are not a specialist tool like hose clamp pliers but they seem to work great as the clamp does not slip at all, and I can compress them fully open so they are easy to position on the tube.


Thanks everyone for your help.

Izerous
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Re: Best Pliers for Koolance Hose Clamp

Postby Izerous » Mon Jan 30, 2012 9:37 pm

I have had a tug-o-war with a compression fitting and the hose tore well before it slipped from the fitting.
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Ace0751
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Re: Best Pliers for Koolance Hose Clamp

Postby Ace0751 » Wed Feb 01, 2012 9:29 am

Good thing it tore in front of you instead of slipping when unexpected. The only barbs I use is in the exos but I have the screw clamps to make sure nothing will slip and also I have a nice tight fit to the barb and tube.
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