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  Performance And Technical Data Nozzle Flow Rates (gph) & Diameters
  Performance at 30 PSI (2.0 bar) Nozzle Flow Rates (l/h) & Diameters
  Performance at 35 PSI (2.2 bar)   DU% in Overlapping Irrigation
  Features Ordering Information 

 Micro Sprinkler Models 52-961-xx and 52-961P-xx Performance and Specifications

Performance and Technical Data:
  • Material : polyasetal
  • Flow rate of 32 and 42 gph (120 and 160 l/h)
  • Diameter coverage: 21' radius and up to 42' diameter (6.3 m redius and up to 12 m diameter)
  • Operating pressure: 30 to 35 PSI (2.to 2.4 bar )
  • Maximum spacing for overlapping: up to 20' x 20' (up to 6 6 m)
  • Pattern: part circle 90 to 270 degrees, full circle 360 degrees
  • Trajectory angle: approximately 10 degrees
  • Single jet
  • Droplet size: large
  • Recommended filtration: 60 mesh (220 micron)
  • Nozzle has a small backup filter for protection against penetration of dirt

Nozzle Flow Rate in (GPH)
Model #
Nozzle color
 Nozzle size (inches)
Nomimal flow at 29 psi
 25 PSI
 30 PSI
 35 PSI
 40 PSI
 45 PSI
 50   PSI
 55 PSI
961/961P  Red  0.059  32.0  29.7  32.6  35.2  37.6  39.9  42.1  44.1

 961

 Brown  0.071  42.0  39.7  43.4  46.9  50.2  53.2  56.1  58.8
Nozzle Flow Rate in (GPM)
Model #
Nozzle color
 Nozzle size (inches)
Nomimal flow at 29 psi
 25 PSI
 30 PSI
 35 PSI
 40 PSI
 45 PSI
50 PSI
 55 PSI
961/961P  Red  .059

 .53

 .49  .54  .58  .62  .66  .70  .73

 961

 Brown  .071

.70

.66  .72  .78  .83  .88  .93  .98
Performance at 30 PSI (2.0 bar)
 Nozzle Color
Red
 Brown
 Red (Adjustable)
 Average irrigation rate (inch/hour)

 0.032

 0.035

 0.064

 Maximum overlap spacing (feet x feet)

 20 x 20

 20 x 20

 18 x 12

 Maximum overlap spacing (m x m)

 6 x 6

  6 x 6

  5 x 4

 Overlap irrigation rate (inch/hour)

 0.128

 0.169

 0.238

 Overlap irrigation rate (mm/hour)

 3.2

 4.2

 6.0

DU% in Overlapping Irrigation

Samples of different spacing, working pressure at 30 PSI (2 bar)

Shape of area
Models
 Color
  Size (inch)
 Flow (gph)
 Flow (l/h)
Spacing (ft)
 Spacing (meter)
 Irrigation rate (in/hr )
 DU %
 Rectangular  52-961-32  Red  0.059  32  120  15x15  4.5x4.5

 0.23

 86.1
  Rectangular  52-961-32  Red  0.059  32  120  20x15  6x4.5

 0.17

 87.3
  Rectangular  52-961-32  Red  0.059  32  120  20x20  6x6

 0.13

 93.4
  Rectangular  52-961-42  Brown  0.071  42  160  20x15  6x4.5

 0.23

 88
  Rectangular  52-961-42  Brown  0.071  42  160  20x20  6x6

 0.17

 90.7
  Rectangular  52-961-42  Brown  0.071  42  160  39x15  11.5x4.5

 0.12

 87.7
 Triangular  52-961-32  Red  0.059  32  120  15x30  4.5x9

 0.12

 85.3
 Triangular 52-961-32   Red  0.059  32  120  20x25  6x7.5

 0.16

 92.4
 Triangular  52-961-32  Red  0.059  32  120  38x42  11.5x12.7

 0.03

 75.8
 Triangular  52-961-42  Brown  0.071  42  160  20x15  6x4.5

 0.23

 92.6
 Triangular  52-961-42  Brown  0.071  42  160  39x15  11.5x4.5

 0.12

 86.9
 Triangular  52-961-42  Brown  0.071  42  160  38x42  11.5x12.7

 0.03

 77.4
 One lateral  52-961-32  Red  0.059  32  120  8x15  2.4x4.5

 0.10

 81.3
 One lateral  52-961-32  Red  0.059  32  120 13x15  3.9x4.5

 0.10

 81.4
 One lateral  52-961-42  Brown  0.071  42  160  8x15  2.4x4.5

 0.12

 85.6
 One lateral  52-961-42  Brown  0.071  42  160 13x15  3.9x4.5

 0.12

 86.5
 One lateral  52-961-42  Brown  0.071  42  160 18x15  5.4x4.5

 0.11

 78.7
 Two laterals  52-961-32  Red  0.059  32  120 15x20  4.5x6

 0.12

 76.8
  Two laterals  52-961-42  Brown  0.071  42  160 15x20  4.5x6

 0.16

 80.4
 Two laterals  52-961-42  Brown  0.071  42  160  39x15  11.5x4.5

 0.11

 80.3

DU-Distribution uniformity:      Average of the lowest 25% of the application rate x 100                                                     ______________________________________________

                          Average application rate

 Spacing A(laterals) x B Shaded checked area (micro sprinkler)
 

 Rectangular

 

 Triangular

 

2 Laterals

 

 1 Lateral

 

 B

 

 B

 

 B

 

 B

 A

 A

0.5A

A