What is the nozzle trajectory of the rotor sprinkler?

The nozzle trajectory is standard=25° and low-angle=13°.

What is the recommended pressure range for the sprinkler?

The recommended pressure range is 25 to 70 PSI.

What is the precipitation rate of the sprinkler?

The precipitation rate is approximately 0.4 in/hr.

Does it come with the nozzle rack?

This is an official Hunter PGP-ADJ and comes with a pre-installed nozzle and rotor adjustment too

Does this screw into a one inch thread?

This is 3/4" Female Pipe Thread. You would need an adapter for 1"

How do the numbers on the nozzle inserts correspond to a approx. distance ?

The numbers are based on a flow rate. Based on pressure at the head and nozzle will determine distance. You can get a ref chart on the mnf web

Does it come with the 3/4 to 1 nipple reducer?

No, there is not a reducer or supplemental adaptor included. The receiving part of the Rotor is a 3/4 inch female receptor. I purchased a 3/4 to 1/2 inch adaptor to attach them to ground stakes for an above ground system.

Iv got a leaking sprinkler, should i install check valves on a new replacement?

I had the same problem. I finally took each sprinkler head, took apart and cleaned each one. I also made a test jig to make sure the head did not leak before I installed them back in. I found small pieces of sand in the head that caused the leak. I was able to re-use the all the heads except for one that leaked water thus reducing the water pressure and kept the other heads from popping all the way up

The tiny hole an inch below nozzle is leaking water around the head. So, is head-to-head coverage needed?

Yes, head to head coverage is correct. I think the small hole is for depressurizing the head when water is turned off.

i am trying to order the improved versions it says it can not be deliverd ? but the old one it ok ?from the same seller,lmk

That will depend on your water pressure, do you know your water pressure? also the nozzle you install in the Hunter head. When you get your water heads they should come with different spray nozzles and directions. The direction will help you a lot to explain the GPM.

Is the spring included?

Yes, it comes as 1 complete unit. If your replacing one that you may have ran over with your lawnmower (wink wink) then all you have to do is spin the old one out and spin the new one in.

does this come with the adjustment tool?

In general, it appears that Hunter should provide the adjustment tool if you buy a 5-pack of irrigation heads .Otherwise you can purchase one for a few dollars. Also you can adjust the length of the spray with just a 3/32" Allan wrench.

Do the screens clog up quickly? My water come from a spring and has some particulates.

I have never had one clogged and it will operate just fine without the screen.

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Hunter Industries

Hunter PGP-ADJ ¾” Rotor

Item #:53942952

4.7 rating

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PKR 6264

Availability : Out of stock

Ships from Ubuy, Sold By : UBNA Distribution LLC

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Hunter PGP-ADJ delivers unsurpassed reliability, durability, versatility, adjustable arc & watering distance features keeping it the professional's choice year after year.

Product Details

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Features & Benefits

Original rotor, trusted by professionals
Adjustable arc from 40° to 360° to prevent overwatering
QuickCheck arc mechanism for easy adjustment
Dimensions: Retracted Body Height is 7 ¾", Exposed Diameter 1 ¾", Pop up out of ground when watering is 4"
Operating Specifications: Radius: 22' to 52', Flow: 0.5 to 14.1 GPM, Recommended pressure range: 25 to 70 PSI, Operating pressure range: 20 to 100 PSI, Precipitation rate: 0.4 in/hr, Nozzle trajectory: standard=25°, low angle=13°

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Customer Questions & Answers

Question : What is the nozzle trajectory of the rotor sprinkler?
Answer : The nozzle trajectory is standard=25° and low-angle=13°.
Question : What is the recommended pressure range for the sprinkler?
Answer : The recommended pressure range is 25 to 70 PSI.
Question : What is the precipitation rate of the sprinkler?
Answer : The precipitation rate is approximately 0.4 in/hr.
Question : Does it come with the nozzle rack?
Answer : This is an official Hunter PGP-ADJ and comes with a pre-installed nozzle and rotor adjustment too
Question : Does this screw into a one inch thread?
Answer : This is 3/4" Female Pipe Thread. You would need an adapter for 1"
Question : How do the numbers on the nozzle inserts correspond to a approx. distance ?
Answer : The numbers are based on a flow rate. Based on pressure at the head and nozzle will determine distance. You can get a ref chart on the mnf web
Question : Does it come with the 3/4 to 1 nipple reducer?
Answer : No, there is not a reducer or supplemental adaptor included. The receiving part of the Rotor is a 3/4 inch female receptor. I purchased a 3/4 to 1/2 inch adaptor to attach them to ground stakes for an above ground system.
Question : Iv got a leaking sprinkler, should i install check valves on a new replacement?
Answer : I had the same problem. I finally took each sprinkler head, took apart and cleaned each one. I also made a test jig to make sure the head did not leak before I installed them back in. I found small pieces of sand in the head that caused the leak. I was able to re-use the all the heads except for one that leaked water thus reducing the water pressure and kept the other heads from popping all the way up
Question : The tiny hole an inch below nozzle is leaking water around the head. So, is head-to-head coverage needed?
Answer : Yes, head to head coverage is correct. I think the small hole is for depressurizing the head when water is turned off.
Question : i am trying to order the improved versions it says it can not be deliverd ? but the old one it ok ?from the same seller,lmk
Answer : That will depend on your water pressure, do you know your water pressure? also the nozzle you install in the Hunter head. When you get your water heads they should come with different spray nozzles and directions. The direction will help you a lot to explain the GPM.
Question : Is the spring included?
Answer : Yes, it comes as 1 complete unit. If your replacing one that you may have ran over with your lawnmower (wink wink) then all you have to do is spin the old one out and spin the new one in.
Question : does this come with the adjustment tool?
Answer : In general, it appears that Hunter should provide the adjustment tool if you buy a 5-pack of irrigation heads .Otherwise you can purchase one for a few dollars. Also you can adjust the length of the spray with just a 3/32" Allan wrench.
Question : Do the screens clog up quickly? My water come from a spring and has some particulates.
Answer : I have never had one clogged and it will operate just fine without the screen.

Customer Ratings

4.7 out of 5

197 customers ratings

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Hunter PGP-ADJ ¾” Rotor

The Hunter PGP-ADJ ¾” Rotor is a great irrigation system component according to customer reviews. It comes with a pre-installed nozzle and rotor adjustment tool. It has 3/4" female pipe thread and comes with a spring, and the small hole is used to depressurize the head when water is turned off. Cleaning the head and small pieces of sand were recommended for fixing a leak in a sprinkler. Head-to-head coverage is needed to ensure proper operation, and the screens do not clog up quickly. The adjustment wrench is not included, but the setting of the heads is easy to do. There are good uTube videos to show how to set up. It was delivered for $2 less than Home Depot, but the Amazon description specifying the distance of 22'-52' is false. The label on the product states 22'-39'.

Pros

Comes with pre-installed nozzle and rotor adjustment tool
Fully adjustable
Good quality, name brand product
Easy to set up
Screens do not clog up quickly

Cons

Adjustment wrench not included

Important Information

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Hunter PGP-ADJ ¾” Rotor

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