Pipe Size and Spacing Guide for Platypus Sprinkler

Sprinkler pressure, flow and spacing

Nozzle sizes available Maximum spacing between sprinkler heads Nominal flow rate at 300kpa
2.5mm 3.5 metres 6 lpm
3.2mm 3.5 metres 9 lpm
4.0mm 4.0 metres 14 lpm

Maximum angle of sprinker installation is 35˚ off vertical for effective operation.
Recommended minimum operating pressure at pump is 500kpa.
Optimum operating pressure at each sprinkler head is 300kpa.
We recommend using our Flow Control Inserts to ensure optimum performance.

Recommended bracket spacing for pipework

Copper Tube Vertical Pipe Horizontal Pipe
15mm & 20mm 1.5 metres 1.0 metres
25mm 2.0 metres 1.5 metres
32mm & 40mm 2.5 metres 1.8metres
50mm 3.0 metres 2.2 metres
PVC Pipe Vertical Pipe Horizontal Pipe
20mm 1.4 metres 0.7 metres
25mm 1.5 metres 0.75 metres
32mm 1.7 metres 0.85 metres
40mm 1.8 metres 0.9 metres
50mm 2.1 metres 1.05 metres

Benefits of using Flow Control Inserts

  • Flow control inserts are installed at each sprinkler
  • Flow control inserts only available for 2.5mm and 3.2mm nozzles

Ridge and hip sprinkler spacing guide

(Sprinklers on roof only)

STEP 1 – For a “Roof Only System”, mark sprinkler positions at each of the points where the hip meets a ridgeline.
STEP 2 – Measure the lengths of the hips and use the tables on our ‘How to calculate the number of sprinklers’ info sheet to determine the number and position of the sprinklers.
STEP 3 – Measure the length of the ridgeline between the sprinklers you marked in Step 1 and use the table again to calculate the number and position of the sprinklers.

Ridge and hip sprinkler spacing guide

(Sprinklers on roof and fascia)

STEP 1 – For a “Roof & Fascia System”, mark sprinkler positions at each of the points where a hip meets a ridge.
STEP 2 – draw a dotted line 3.5mt from the fascia line. Measure the lengths of the hips from the sprinkler marked in step 1 to the dotted line, and use the tables in our ‘How to calculate the number of sprinklers’ info page to determine the number and position of the sprinklers.
STEP 3 – Measure the length of the ridgeline between the sprinklers you marked in Step 1 and use the table again to calculate the number and position of the sprinklers.