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. The standard hose fitting size is either ¾ 115 nh or 58 115 nh.
Chapter 3 Pipe Tube And Hose Hydraulics Amp Pneumatics
Hose fitting size chart. The 115 of course relates to the thread pitch that we explained above. Can you see the confusion starting. In the united states most standard garden hoses are 58 inch in diameter. An hose sizes were designed to match the id sizes of these rigid tubes. American connections national pipe tapered fuel nptf the male and female threads connect and a seal is formed when the two are mated together ie. Hose diameters range from 38 inch 12 inch to 34 inch.
If additional sealing is required teflon and pipe dope can be applied. The national fluid power association nfpa does not recommend the. Hydraulic hose fittings are very useful when it becomes necessary to connect various conductors such as tubes pipes and hoses in a hydraulic systemmost of these connections will have a male and female component to accommodate the connection and will assist with the process of containing and directing. In these examples the fractional parts ¾ or 58 represent the given hoses internal dimensions in inches. You can also see this post to learn just about everything else about garden hoses. Sizes for rigid tubes were already standardized with sizes called out by tubing od 316 12 etc.
1 38 1 4564 28. Learn more about hydraulic fitting threads. 1 18 1 716 24. Hydraulic hose fittings connector sizes charts sapphire hydraulics february 4 2020. 37 an nominal fractional dash size equivalent in sae. The bigger the diameter the more water is delivered.
Using your automotive hose size choose from the chart below to find the an equivalent for hose hose ends and adapter fittings. The following chart is intended as a quick reference guide for actual fitting sizes. The line drawings below depict actual sizes of the various common an thread sizes by dash number. Hose diameters are assigned an numbers. This is known as a dry seal thread. 1 34 2 332.
37 an nominal fractional dash size equivalent in 02 18 03 316 04 14 05 516 06 38 08 12 10 58 12 34 14 78 16 1 20 1 14 24 1 12 32 2. 1 12 1 1316 32. A 38 standard hose equals 6 an. Click above to shop all fittings or try our search function in the top right corner. Hose size chart fractional equivalent all dimensions are in inches unless otherwise noted. Fitting thread size chart the following chart is intended as a quick reference guide for thread size by dash size.