PVC Pipe: SCH vs. Class
SCH Rated Pipe PVC pipe types labeled “schedule” (abbreviated “SCH“) are made based on the traditional dimensions used for steel pipe. Unfortunately steel has very different strength characteristics...
View ArticlePressure Loss in Sprinkler Risers
Q. How do I calculate sprinkler risers losses in a sprinkler zone where the risers are extra long, 3 ft or more above ground? I have 10 risers in a zone for my proposed sprinkler irrigation system....
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How to Remove a Valve Zone from Sprinkler system
Q. I have 3 zones for my sprinkler system. I need to remove the valve/pipe/heads from one of the 3 zones in my backyard. A. You may not even need to turn off the irrigation system water for this...
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How to Find Your GPM & PSI – Municipal Water Source
If your water comes to you from a water company, you’re on the right page. However… If your water supply is from a pump and/or well on your property, skip this page and go to How to Measure the GPM...
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Sprinkler Head Risers
The short section of tube that attaches a sprinkler to the underground lateral pipe is called a “riser”. But the riser does much more than attach the sprinkler. It must hold the sprinkler in the...
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Drip Irrigation Design Guidelines – Basics of Measurements, Parts, and more
Index to the Guidelines: Drip Irrigation Design Guidelines (this page) The Basic Parts of a Drip System Drip Irrigation Emitters Drip Emitter Spacing Drip Irrigation Valves Irrigation Backflow...
View ArticleHow to Find the Size of a Pipe
Drip Irrigation Design Guidelines The Basic Parts of a Drip System Drip Irrigation Emitters Drip Emitter Spacing Drip Irrigation Valves Irrigation Backflow Preventers How to Find the Size of a Pipe...
View ArticleConnect Sprinkler System to Water Supply
Where and How to Connect Your Irrigation System to Your Water Supply: This page provides some specific rules, tips, and techniques for tapping into a house water supply pipe for a new irrigation...
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Compression Tees and Couplings
A compression coupling or tee is a special fitting designed for joining existing metal and PVC pipes or tubes. They are sometimes sold as “pipe repair couplings”. They are primarily used for...
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How to Use Pressure and Flow Switches with Irrigation Controls
Almost any major maintenance problem in an irrigation system will cause a unusual pressure level or flow level in your irrigation system. Therefore pressure and/or flow monitoring is a good way to...
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