Male connections rely on the od measurement while female connections can use od or id. If the centrelines of the connection and gauge are parallel the correct angle has been determined.
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How to measure hose fittings. How to identify the hydraulic hose fitting you need sapphire hydraulics july 14 2020. You can use a ruler or vernier calipers to measure the internal diameter of a hose. Simply run the tape measure from the top of your hoses opening to the bottom and record its diameter. To proper measure the fitting you need will require calipers. Use a ruler or measuring tape to find the length between the tip of the string and the mark you made circumference divide the circumference by 314159. Ordering an plumbing fittings can be confusing because the nomenclature does not directly translate into a thread size.
Mark the point where the string touches together. Old style semi permanent fittings. There are no exceptions so there is no guesswork. Wrap a string around the pipe. Here are the best calipers. Usually hose goes by the internal diameter but sometimes external diameter is quoted.
Lets take a deeper look what all the size mean on fittings. Measure the outside diameter od of your pipe or pipe fitting. Female connections are usually measured by inserting the gauge into the connection and placing it on the sealing surface. Fortunately each an size will always correlate with one specific fitting size. When you have a worn hydraulic hose fitting youll have to identify exactly which type you have so you know what to order from your supplier. What i can do for you is give you a table to compare your measured size to the corresponding npt size.
A measuring tape will work but it wont be as good because we are talking about 1mm differences. Use these guides when identifying hydraulic fittings including drawings dimensions and connection instructions for bsp sae npt and more. A tape measure is the best way to measure your personal garden hoses size. When measuring the number should refer to the internal diameter as this is size that needs to match the garden hose to a fitting nozzle or faucet. See neiko digital calipers full specs here. If youve written all these connectors down somewhere youll be ahead of the game and wont have any.
Male flare type connectors are usually measured by placing the gauge on the sealing surface. Just measure the outside diameter od or inside diameter id as illustrated in the picture above. How to measure connections and fittings. Measure the thread od and pitch and you know the fitting size.
Gallery of How To Measure Hose Fittings
