Sizes for rigid tubes were already standardized with sizes called out by tubing od 316 12 etc. The idea behind an hoses and an fittings was to provide a flexible alternative to rigid tubing in plumbing systems on aircraft and military vehicles.
Fastener Torque Specifications Fastenertqspecs Ninja
An fitting torque specs. Pipe thread installation torque table chart. Fluids piping and hydraulic design data. Here is a list of torque values for each an fitting size. Tighten to recommended torque for the corresponding thread size from the table below. Brass and steel pipe thread npt installation procedure and torque specification table and chart. The torque required on an5 516 nuts varied between 18 22 inlbs.
Tfft assembly turns from finger tight with pipe thread sealant or teflon tape applied. Quality technology over the years our customers have experienced superior quality industry support depth of product line and customer service from aeroquip performance products. An hose sizes were designed to match the id sizes of these rigid tubes. Torque specification guidelines nut minimum maximum size 1torque torque1 02 50 80 03 70 105 04 100 140 05 130 180 06 150 195 08 270 350 10 360 430 12 460 550 16 700 840 20 850 1020 24 900 1080 32 1800 2000 1torque values are shown in inch pounds for aluminum fittings. Torque recommendations below are for valve connected to a compatible fitting adapter or block. Good seal but prevents damage to the fitting by over torque.
Never use teflon tape. Dont be misled by other brands that claim performance but buy their. Do not force an improperly bent tube into alignment figure 4 or draw in too short a tube using the nut. Align the tube on the flare nose of the fitting body and tighten the nut using one of the two methods below. Aeroquip is the professionals choice and is the only company that designs engineers manufacturers and tests its hoses and fittings. If valve is connected to female swivel connection refer to swivel manufacturers torque recommendation for that joint.
Standard maintenance practice dictates that mechanics add this value to the specified torque. The table below lists the torque range for each an fitting size. Liquid pipe sealant containing no teflon is the only pipe sealant recommended. When using aluminum and steel fittings use the torque for the aluminum fitting. This value must be added to the torque value. 12 inch pounds 1 foot pound these torque values apply to an connections only not flared tube or compression fittings.
Torque values for installing steel or malleable iron pipe plugs or fittings with pre applied loctite 516 banding are given belowall threaded connections should be lubricated before assembly. A random sample of new and used an365 4 and 5 nuts shows that the torque required to turn an4 14 nuts varied between 15 19 inlbs. Jic torque specifications. Can you see the confusion starting. Flats from wrench resistance ffwr or flats method. Torque specs for an fittings.