If you find yourself on the brink of set up new plumbing pipes you will have to test that your pipes are the proper dimension. Measuring your pipes by yourself is a simple course of if you recognize the steps. After getting your plumbing pipes measured correctly you’ll be able to transfer on to putting in them in your plumbing system.
How To Measure Your Plumbing Pipes
It doesn’t matter what form of materials your plumbing pipes are constituted of you will have to get two forms of measurements. The 2 measurements that you have to be involved about are the Nominal Pipe Measurement (NPS) and the Exterior Diameter (OD).
You will discover a pipe’s OD by measuring the skin width of the pipe. The NPS could be discovered by cross-referencing an ASME chart with the OD measurement. OD and NPS measurements are totally different measurements. Plumbers will usually seek advice from the NPS measurement when they’re speaking about or purchasing for plumbing pipes.
How To Know The Measurement Of Your Plumbing Pipes
You may simply discover the scale of your plumbing pipe for those who take a look at the pipe itself. The NPS is at all times printed or labeled on all plumbing fittings and pipes. Plastic plumbing pipes could have the pipe’s thickness, dimension, and form of plastic materials printed on the aspect of it. Whereas copper piping can be labeled with the form of copper materials that makes up the pipe.
How You Can Measure Your Plumbing Pipes
There are three major strategies of measuring your plumbing pipes your self. When you want to convert your OD measurement into an NPS measurement the next charts can be of nice use.
Copper Pipe NPS Reference Chart
| Copper Pipe Measurement | Exterior Diameter | Pipe Circumference |
| 1/2″ | 5/8″ | 2″ |
| 3/4″ | 7/8″ | 2-5/8″ |
| 1″ | 1-1/8″ | 3-1/4″ |
| 1-1/4″ | 1-3/8″ | 4-1/8″ |
| 1-1/2″ | 1-5/8″ | 5-1/8″ |
| 2″ | 2-1/8″ | 6-5/8″ |
| 3″ | 3-1/8″ | 9-3/4″ |
| 4″ | 4-1/8″ | 13″ |
PVC, ABS, CPVC, Brass, and Metal Pipe NPS Reference Chart
| Plastic/Metallic Pipe Measurement | Exterior Diameter | Pipe Circumference |
| 1/2″ | 7/8″ | 2-5/8″ |
| 3/4″ | 1-1/8″ | 3-1/4″ |
| 1″ | 1-3/8″ | 4-1/8″ |
| 1-1/4″ | 1-5/8″ | 5-1/4″ |
| 1-1/2″ | 1-7/8″ | 6″ |
| 2″ | 2-3/8″ | 7-1/2″ |
| 3″ | 3-3/8″ | 11″ |
| 4″ | 4-3/8″ | 14-1/8″ |
Direct Diameter Measurement
In case your pipe is already put in you received’t have the ability to get the direct diameter measurement. So as to measure the direct diameter of a plumbing pipe, you will have to make use of a measuring tape or ruler and stretch it throughout the open finish of your pipe.
Exterior Diameter Measurement
Discovering a plumbing pipe’s OD measurement could be completed by utilizing calipers to measure the skin of the pipe. This measurement would be the OD of your pipe. This methodology is well used in case your pipe is already put in and you’ll’t entry an open finish.
Circumference Measurement
Discovering the circumference measurement of a pipe requires somewhat little bit of math. However we’ll provide the actual steps and equation to make this course of straightforward for you.
Use versatile tape or string to wrap across the pipe. Measure the string or tape and make an observation of the measurement. You’ll then divide the circumference measurement by pi (pi=3.1415). This will provide you with the diameter of your pipe. You may then reference the above charts to seek out your pipe’s NPS.
Ideas For Pipe Set up
In case you’d prefer to keep away from having a restore completed by an expert, you’ll be able to restore or exchange your personal plumbing pipes. That is greatest if it’s just one previous or damaged pipe versus a sophisticated plumbing job. Giant jobs require the assistance of a licensed plumber.
Set up PEX Pipes
In case you’re attempting to solely exchange a portion or small space of your plumbing it’s extremely advisable to make use of PEX pipes. PEX is a good plastic materials that can work along with your plumbing system. The method for set up is far simpler when working with this materials. It’s also cheaper, solely requires easy fittings, is versatile, and cuts simply.
Guarantee Your Pipe Measurement Is Appropriate
Having the proper pipe dimension to your plumbing job is essential to your plumbing system functioning correctly. All plumbing requires very particular pipe sizes so be sure to measure them and have the suitable dimension for the job. Additionally, test your native codes to make sure yours are proper.
Preserve The Identical Pipe Supplies
When totally different metals or pipe supplies make contact with one another in your plumbing system it will probably trigger the pipes to corrode at a sooner price. Examine your previous or present pipes to make sure that you employ the identical form of plumbing pipe materials transferring ahead. Very particular fittings will should be used to connect pipes collectively if the pipes are made of various supplies.
Look Over Fittings
Plumbing pipe fittings are the a part of your plumbing system that connect pipes to one another. In addition they redirect water movement. Ensure that to take a look at all fittings to make sure you have the suitable ones for the fabric you might be utilizing as totally different pipe supplies would require sure fittings. Having the suitable fittings will forestall leaks in your system.
Earlier than Attaching, Dry-Match Your Pipes
Earlier than you completely connect or glue your pipes to one another you wish to be sure to dry-fit them. Dry-fitting is whenever you take the pipe that doesn’t have a becoming current and test that the scale is right to your job.
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