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The last 6 posts

Thursday, July 17th 2008, 7:29pm

by Lowvolumejeff

pressure drop

Hi Jeff:

As I mentioned before, I don't use sprayheads, although I have in the past. Most sprays require different run times than emitters, so hence seperate zones are used for each. I think Xeripops like at least 20 PSI to function properly. Depending how long your 1/2 inch line runs, and the distance from the water source to the last XCeripop, and how much the total volume draw on that zone measures, will depend on the pressure and volume left by the end of the line. So, your last Xeripop may not perform as well as a more proximal one. I don't know what spray heads you are useing, Some use larger flow rates, compounding the problem.

Another solution for beds is drip along line. The emitters are built into the line, which is available in 1/2 and 1/4 inch diameters. The 1/4 inch is easilhy snaked between individual annuals. Most find this too much trouble, and in that case, sprays are the only option.

Consider running a seperate 1/2 inch supply to the sprayers for best results. BTW, all 1/2 inch is not 1/2 inch. Many are really closer to 5/8 inch internal diameter, and carry about twice as much water. Thant could be important for sprays.

Please note again. I have never used Xeripops, but have used sprayheads. And am assuming your spray heads prooduce similar parcipitation rates, making the above apply.

Hope it helps, Jeff

Thursday, July 17th 2008, 6:58pm

by jhschlak


Thanks everyone for the replies they have been helpful!

The reason I am trying the micropop up sprinkler is that I don't know how else to get my 3 large beds of annuals waters. I have about 20 - 30 plants in each bed, I didn't think it would be smart to send a 1/4" tube to each, maybe I should try one of those hoses with the inline emmiters built in? I am new at this, so I don't know all the options.

If I do use the 3 popup sprinklers will it dramatically drop the pressure to the rest of the system?



Thursday, July 17th 2008, 12:26pm

by Lowvolumejeff


Hi Jeff:

First, let me ve clear, I have never used Xeripops. Personally, I don't trhink spray heads of any type are consistent with drip philosophy, applying water directly to the root zone of plants. But forgive my sermon.

Anyway, from what you wrote, I am understanding you are connecting the 1/4 inch tubing to a 1 GPH emitter. If this is the case, I suggest you use a 1/4 inch barbed connecter from the 1/2 inch PE tube to the 1/4 inch tubing which is connected directly to the Xeripop. Each Xeripop should have it own 1/4 inch supply line, unshared with any other emitter. Be mindful of the total GPH on the 1/2 inch line, as these emitters use more volume. Also, these need more pressure than a typical emitter. Also, if you run to long a length of 1/4 inch line, pressure will be reduced.

If that doesnt work, please let me know. Jeff

Thursday, July 17th 2008, 12:22pm

by Wet_Boots

You don't connect these to emitters. You connect them to points that don't limit flow. Pressure still has to be at a safe, or regulated, levels.

Thursday, July 17th 2008, 11:46am

by jhschlak

Rainbird Xeri-pop microspray popup

I bought the rainbird drip popup sprinklers shown here: but I am having problems getting them to work. What type of connector am I suppose to use off of the 1/2" main drip line? I only have the 1 gallon per hour connectors which obviously don't send enough water to the popup sprinklers. Does anybody have any ideas to help me with this?