There are many types of fittings used in liquid cooling applications but the more commonly used fittings are: beaded, barbed, NPT tapered pipe threads, SAE straight threads, compression, 37 º AN flare, bite-type, mechanical grip-type and O-ring face seals.
This fitting consists of a straight tube that has a bead around its outside diameter, as shown in Figure 2. An interference fit is used between the internal diameter of the hose and the outside diameter of the fitting to seal the connection. The clamp provides the force to maintain the seal and retain the hose. Beaded tubes are made per U.S. Military Standard MS33660 or per Aerospace Standard AS5131. Proper bead design as well as proper clamp and hose selection are critical in providing a leak-tight connection. Refer to our Fitting and Hose Clamp Selection for Cold Plates and Heat Exchangers application note for more detailed information on beaded fittings.
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