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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

 

Product Line
Rotors

Models

Popular Models

srm-04_001_rt.jpeg

SRM-04

SRM Rotor, adjustable from 40° to 360°, no check valve
SRM Rotor, adjustable from 40° to 360°, no check valve

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

 Download Product Spec Sheet

  Download Written Specifications

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
View Nozzle
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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Related Products

1/2" and 3/4" Inlet Rotor Comparison Chart

View 1" and 1.5" Inlet Rotors >>

A Standard That Has Yet to be Matched
Hunter made its reputation on the quality, reliability, and innovative features found in its rotary sprinkler line and continues to set the benchmark by which other manufacturers' rotors are judged.

 

  SRM PGJ PGP-ADJ PGPTM Ultra I-20
QUICK SPECS
Radius 4.3 - 10.7 m 4.3 - 10.7 m 6.4 - 15.8 m 4.9 - 14.0 m 4.9 - 14.0 m
Flow Rate (m3/hr) 0.08 - 1.0 0.08 - 1.0 0.10 - 3.22 0.07 - 3.23 0.07 - 3.23
Flow Rate (l/min) 1.4 - 16.7 1.4 - 16.7 1.7 - 53.7 1.2 - 53.8 1.2 - 53.8
Inlet Size 1/2" 1/2" 3/4" 3/4" 3/4"
FEATURES
Nozzle Options 8 8 27 22 22
Precipitation Rate (mm/hr) 15 15 10 10 10
Recommended Pressure Range (bar) 1.7 - 3.8 1.7 - 3.8 1.7 - 4.5 1.7 - 4.5 1.7 - 4.5
Recommended Pressure Range (kPa) 170 - 380 170 - 380 170 - 450 170 - 450 170 - 450
Operating Pressure Range (bar) 1.4 - 7.0 1.4 - 7.0 1.4 - 7.0 1.4 - 7.0 1.4 - 7.0
Operating Pressure Range (kPa) 140 - 700 140 - 700 140 - 700 140 - 700 140 - 700
Check Valves Available Factory Option Available Factory Option Preinstalled
Specialty Nozzles N/A N/A N/A Factory Option Preinstalled
Check Height (m)   2   3 3
Factory-Installed Check Valve   Optional   Optional Optional
Warranty 1 Year 2 Years 2 Years 5 Years 5 Years
ADVANCED FEATURES
Low-Angle Nozzle Choices    
Automatic Arc Return      
Non-Strippable Drive      
Part-and-Full-Circle in One Model      
Headed & Slotted Set Screw    
Reclaimed Water ID    
Available Short-Radius Nozzles      
Available Factory-Installed Check Valve with up to 3 m Elevation Change      
FloStopTM Control        
Stainless Steel Riser Option        
Applications
Residential
Commercial/Municipalities      
Athletic Fields        
High-Vandalism Areas        
Low-Pressure Areas  
Riser-Mounted Sprinklers    
Ground Cover and/or Shrubs    
Reclaimed Water    

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