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