2 EATON Aerospace Group TF100-77F May 2013 Eaton’s Carter 2½-inch aircraft standard bayonet refueling adapters mate underwing nozzles or 2½-inch hydrant couplers, with several choices of flanged or threaded inlets. The bayonet adapter is also available as a stand-alone module, without a housing — see details in “Ordering Data” section on page 4. These adapters are designed to be used for bottom loading of a refueler, for connection to a hydrant system or tank farm pumping system for test adapters, or for use in a recirculation test system on refuelers. Choose the correct adapter for the application. There are two basic methods of manufacturing the standard aircraft bayonet adapter module: yy The older MS29514 style aircraft adapter flange utilizes a nine hole mounting pad, built in separate pieces instead of a self contained module. It is taller (between the mounting flange and the bayonet lugs) and is therefore stronger. This type of flange is suitable for product selection and, being stronger, is suited for hydrant applications. yy The newer MS24484 style aircraft adapter is a selfcontained module that uses a six bolt mounting pad for countersunk screws. As a consequence, the mating connection is not as strong as the MS29514 type. The construction and the height between the mounting flange and the bayonet lugs is shorter. Product selection is not feasible for use on this type of flange. The lower joint strength also makes it non-suitable for hydrant applications. It is quite suitable for bottom loading and recirculation applications. yy The MS24484 type adapter module is available as either the military QPL (Qualified Products List) as MS24484-5 or the older MS24484-2. The MS24484-5 is qualified to be used at higher and lower temperatures and has a higher strength bayonet flange. The MS24484-2 is suitable for most commercial applications. The MS24484-5 is only available from those companies listed on the QPL. Although Model 61529 is made in accordance with MS24484-2 requirements, it is not sold as an airworthy unit and should not be utilized on an aircraft application. Eaton offers a choice of outlet flanges made to mate ANSI 150 flanges or TTMA flanges for the three and four inch styles. The 2½-inch outlet styles are available only in threaded connections, either NPT or BSPP. The ANSI type flanged units are more suited for hydrant applications (along with the MS29514) while the TTMA units are suited for bottom loading or recirculation systems. The 2½-inch units are (by choosing the correct unit) usable in either application. A choice of either a plastic dust cap or a metal military style sealing cap is also offered as an option on all adapters except Model 61529 aircraft adapter. The metal sealing cap is available as Model 61531. This cap, although made in accordance with MS29526-2, is not a QPL item and is not qualified for use on an aircraft. Features yy Available with 3-inch and 4-inch 150 lb. ANSI or TTMA inlet flanges or 2½-inch NPT or BSPP threaded inlets yy Military QPL MS24484-5 adapter available as an option yy Units for use with product selection available yy Plastic or military metal sealing caps available yy Convenient bosses to mount pressure gauges or sampling ports standard on many models yy Low cost MS24484-2 modular unit available yy Pressure equalization valve offered in poppet for hydrant applications Design Concepts Model 6958 Fueling Adapter Model 61272 Bottom Loading Adapter Model 61529 Aircraft Adapter Model 61531 Military Style Sealing Cap Model 6958 Model 61272 Model 61528 Model 64040 Model 60195 Model 61409 Model 61529 Model 64373 Model 60373 Model 61527 Model 61531
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