I'm getting Tygon 7/16" (11.1mm) ID and 5/8" (15.9mm) OD tubing. I also need some barbs and people recommend the 1/2" barbs. But looking at the european websites that sell the barbs they operate in milimeters and that confuses me a bit. I've spotted 2 types of barbs, which one do I need?
http://www.alphacool.de/xt/product_info ... mm-id.html
12mm hose nozzle messing nickel-plated for PVC, PU, PA, silicone or PE tubing with 12mm internal diameter. G1/4" outside thread. Thread straight, SW 17. With O-Ring sealing
or
http://www.alphacool.de/xt/product_info ... mm-id.html
10mm hose nozzle messing nickel-plated for PVC,PU,PA,silicone or PE tubing with 10mm internal diameter. G1/4" outside thread. Thread straight, SW 17. With O-Ring sealing
Which barb for 7/16" tubing?
Moderators: NeilBlanchard, Ralf Hutter, sthayashi, Lawrence Lee
Re: Which barb for 7/16" tubing?
My understanding is that when in doubt, take the bigger barb. You might need to warm the tube to get it over the barb, but once it's there, it makes a very tight seal. For what I know, tygon is fairly flexible, so there should be no real problems in strecthing it over the 12mm barb. 0.9mm (or 8%) is really not such big deal for an elastic material to stretch.Day wrote:which one do I need?
Naturally if you use clamps or pressure fittings, you might get the job done with the 10mm barbs, but there is always a risk that the tube will not squeeze down properly and will form some miniscular folds, which are bad for water-tightness.
And by the way, check this guys shop: http://ekwaterblocks.com/shop/index.php. People have praised quality of his work and he ships imperial-sized barbs from Europe.