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SRM Family

SRM

The SRM is an economical short-range rotor that offers a convenient and efficient alternative to spray heads.
Radius 4.3 to 10.7 m
Flow 0.08 to 1.00 m³/hr
Flow 1.4 to 16.7 l/min
Inlet Size ½"
  • Radius adjustment up to 25%
  • Part circle and full circle operation in one unit
  • Proven water lubricated gear drive

 

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Rotors

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Model Description Add to List
SRM-00 +
SRM-04 SRM Rotor, adjustable from 40° to 360°, no check valve +
SRM
SRM
SRM
User installed options

Contact your local distributor for product availability and ordering.

Specifications

Operating Specifications

  • Nozzle choices: 8
  • Radius: 4.0 to 10.7 m
  • Flow: 0.08 to 1.0 m3/hr; 1.4 to 16.7 l/min
  • Recommended pressure range: 1.4 to 7.0 bar; 140 to 700 kPa
  • Operating pressure range: 1.4 to 7.0 bar; 140 to 700 kPa
  • Precipitation rate: 11 mm/hr approximately
  • Nozzle trajectory: 14° approximately
  • Warranty period: 1 year

User-Installed Optons 

  • Drain Check Valve (up to 2.1 m of elevation) P/N: 462078SP

Videos

Cleaning a Filter on a Hunter Rotor

The most common reason for a sprinkler to stop rotating is the accumulation of debris in the filter.

Installing a Nozzle on a Hunter Rotor

Installing a nozzle on a rotor is relatively easy.

Replacing a Hunter Rotor Riser Seal

One of the most common reasons for a sprinkler to start leaking between the pop-up riser assembly and the body cap while it is in operation is becaus

Hunter Rotor Right Stop Alignment

With a rotor tool, it's easy to adjust the left stop, but ever wonder how to adjust the right stop after install?

All Product Videos

Features

The SRM is Hunter’s shortest-range rotor, and was designed to offer a convenient and efficient alternative to spray heads. It is capable of working in tandem with larger rotors to combine big and small areas in a single zone. Utilizing the SRM where appropriate results in fewer sprinklers performing more efficient work at a more economical price. The SRM features a rack of six water-efficient nozzles—all of which can be easily identified by their flow rates and installed and changed quickly and easily. This versatile rotor also includes a radius adjustment feature that fine-tunes the spray to keep water off driveways, walks, and other non-landscaped surfaces.

Key Benefits

Adjustable arc from 40° to 360° to keep water in the appropriate areas
Standard factory-installed 2.0 nozzle speeds installation
Through-the-top arc adjustment for easy installation
QuickCheck™ arc mechanism for fast Arc Adjustment

Charts

 
SRM Nozzle Performance Data
Nozzle Pressure Radius Flow Precip mm/hr
  bar kPa m m³/hr l/min
.50 
Dk. Green
1.7 170 4.3 0.08 1.4 9 11
2 200 4.3 0.09 1.6 10 12
2.5 250 4.6 0.11 1.8 10 12
3 300 4.6 0.12 2 12 13
3.5 350 4.9 0.13 2.2 11 13
3.8 380 4.9 0.14 2.3 12 14
.75 
Dk. Green
1.7 170 4.3 0.13 2.2 14 17
2 200 4.6 0.14 2.4 14 16
2.5 250 4.9 0.16 2.7 13 15
3 300 5.2 0.18 3 13 15
3.5 350 5.2 0.19 3.2 14 17
3.8 380 5.5 0.2 3.4 13 15
1.0 
Dk. Green
1.7 170 5.2 0.18 3 13 15
2 200 5.5 0.19 3.2 13 15
2.5 250 5.5 0.21 3.5 14 16
3 300 5.8 0.23 3.8 14 16
3.5 350 5.8 0.24 4.1 15 17
3.8 380 6.1 0.25 4.2 14 16
1.5 
Dk. Green
1.7 170 6.1 0.27 4.5 15 17
2 200 6.4 0.29 4.8 14 16
2.5 250 6.4 0.32 5.4 16 18
3 300 6.7 0.36 6 16 18
3.5 350 6.7 0.39 6.4 17 20
3.8 380 7 0.4 6.7 16 19
2.0 
Dk. Green
1.7 170 7 0.34 5.6 14 16
2 200 7.3 0.37 6.2 14 16
2.5 250 7.3 0.42 7.1 16 18
3 300 7.6 0.48 8 17 19
3.5 350 7.6 0.53 8.8 18 21
3.8 380 7.9 0.56 9.3 18 20
2.5 
Dk. Green
1.7 170 7.9 0.46 7.6 15 17
2 200 8.2 0.49 8.1 14 17
2.5 250 8.2 0.54 9 16 18
3 300 8.5 0.59 9.8 16 19
3.5 350 8.5 0.63 10.5 17 20
3.8 380 8.8 0.65 10.9 17 19
3.0 
Dk. Green
1.7 170 8.8 0.51 8.5 13 15
2 200 9.1 0.56 9.3 13 15
2.5 250 9.1 0.64 10.6 15 18
3 300 9.4 0.72 12 16 19
3.5 350 9.4 0.78 13.1 18 20
3.8 380 9.8 0.82 13.7 17 20
4.0 
Dk. Green
1.7 170 9.8 0.8 13.3 17 19
2 200 10.1 0.83 13.8 16 19
2.5 250 10.1 0.89 14.8 18 20
3 300 10.4 0.94 15.7 17 20
3.5 350 10.4 0.98 16.3 18 21
3.8 380 10.7 1 16.7 18 20

Notes:
All precipitation rates calculated for 180 degree operation. For the precipitation rate for a 360 degree sprinkler, divide by 2.

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