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Articles on this Page
- 12/03/11--15:22: _Why Not Use 1/2″ Pi...
- 05/10/12--11:54: _PVC Pipe: SCH vs. C...
- 09/08/12--11:15: _Pressure Loss in Sp...
- 08/13/13--10:26: _How to Remove a Val...
- 08/15/13--11:10: _How to Find Your GP...
- 05/29/14--13:35: _Sprinkler Head Risers
- 06/03/14--11:52: _Drip Irrigation Des...
- 07/23/14--18:13: _How to Find the Siz...
- 05/22/15--14:01: _Connect Sprinkler S...
- 05/22/15--14:50: _Compression Tees an...
- 12/03/11--15:22: Why Not Use 1/2″ Pipe or Tube for Irrigation
- 05/10/12--11:54: PVC Pipe: SCH vs. Class
- 09/08/12--11:15: Pressure Loss in Sprinkler Risers
- 08/13/13--10:26: How to Remove a Valve Zone from Sprinkler system
- 08/15/13--11:10: How to Find Your GPM & PSI – Municipal Water Source
- 05/29/14--13:35: Sprinkler Head Risers
- 07/23/14--18:13: How to Find the Size of a Pipe
- 05/22/15--14:01: Connect Sprinkler System to Water Supply
- 05/22/15--14:50: Compression Tees and Couplings
A brief explanation of why I don't use 1/2" pipe in most of my sprinkler irrigation system designs.
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 from plastic, so it is a system that isn’t very logical for use with PVC pipe. But when plastic first came along it was made to the … Continue reading PVC Pipe: SCH vs. Class
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. A. If you are using my Sprinkler System Design Tutorial and a standard riser of the recommended size, … Continue reading Pressure Loss in Sprinkler Risers
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 project. But it is a good idea to know how to turn it off. You never … Continue reading How to Remove a Valve Zone from Sprinkler system
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 & PSI from a Pump or Well page. If your water comes from a tank … Continue reading How to Find Your GPM & PSI – Municipal Water Source
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 correct position, it must allow you to adjust the sprinkler location, and we can also use it to protect the … Continue reading Sprinkler Head Risers
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 Preventers How to Find the Size of a Pipe Drip Systems for Slopes and Hillsides Gravity Flow Drip Systems Drip System Sample Detail Drawings If you wish … Continue reading Drip Irrigation Design Guidelines – Basics of Measurements, Parts, and more
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 (this page) Drip Systems for Slopes and Hillsides Gravity Flow Drip Systems Drip System Sample Detail Drawings Measure Your Supply Pipe Circumference: Grab a … Continue reading How to Find the Size of a Pipe
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 system. Where and how you tap into the water supply can be critically important, not just for the proper operation of the … Continue reading Connect Sprinkler System to Water Supply
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 underground connections. Other types of compression fittings, such as threaded adapters, are also available for situations where something other than a coupling or … Continue reading Compression Tees and Couplings