Flag Drip Emitters

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Flag Drip Emitters

Flag Drip Emitters

The flag drip emitters, available with flow rates of 1, 2 and 4 GPH, have a side barbed outlet for extending 1/4″ distribution tubing to the plant location. These spiral flow emitters feature a two-piece construction so that the top insert can be twisted and pulled apart for easy cleaning, and they have a recommended operating pressure of 10-20 PSI with a nominal operating pressure of 15 PSI.

Features

  • Self-tapping barbed inlet for easy installation
  • Outlet barb for use with 1/4″ (.150″-.160″ ID) distribution tubing
  • Twist-open top with lock for secure operation under pressure and for easy cleaning
  • Available in three colors for easy flow-rate identification
  • Spiral flow through a large-flow-path water passage reduces likelihood of clogging
  • Durable high-impact plastic
  • Resistant to chemicals and fertilizers used in landscape application
  • Constructed of UV-resistant, durable plastic material to withstand the most adverse conditions

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How to Specify
MODEL DESCRIPTION IMAGE
Flag Drip Emitters
06-009 1 GPH with 1/4 in. barb
06-010 2 GPH with 1/4 in. barb
06-007 4 GPH with 1/4 in. barb

Specifications

  • Flow rates and color codes:
    • 1 GPH (4 L/H) color code – black
    • 2 GPH (8 L/H) color code – green
    • 4 GPH (12 L/H) color code – red
  • Operating pressure: 10-20 PSI (.7-1.4 BAR)
  • Inlet side: 1/4" self-tapping barb
  • Outlet side: 1/4" barb
  • Filter requirement: minimum of 150 mesh
  • Material: body and cover: polypropylene

Flow rate in gallon per hour at pressure range of 5 to 30 PSI

Color Black Green Red
Nominal flow rate 1 GPH 2 GPH 4 GPH
5 PSI .5 .77 1.72
10 PSI .79 1.21 2.81
15 PSI 1 1.61 3.61
20 PSI 1.22 1.95 4.29
25 PSI 1.39 2.19 4.92
30 PSI 1.55 2.44 5.51

Maximum number of 1-GPH black drip emitters on 1/2" drip tubing with .600" ID

Drip emitters spacing 1' 2' 3' 4'
Flow rate @ 25 PSI 1.39 1.39 1.39 1.39
Maximum length 124 192 249 304
Flow rate in GPM 2.87 2.22 1.92 1.76
Flow rate in GPH 172.4 133.4 115.4 105.6
# of drip emitters 124 96 83 76
Velocity (f/s) 3.26 2.52 2.18 2.0
Total head loss in PSI 5.5 5.19 5.05 5.23

Maximum number of 2-GPH green drip emitters on 1/2" drip tubing with .600" ID

Drip emitters spacing 1' 2' 3' 4'
Flow rate @ 25 PSI 2.19 2.19 2.19 2.19
Maximum length 91 144 186 224
Flow rate in GPM 3.32 2.63 2.26 2.04
Flow rate in GPH 199.3 157.7 135.8 122.6
# of drip emitters 91 72 62 56
Velocity (f/s) 3.77 2.99 2.57 2.32
Total head loss in PSI 5.2 5.22 5.09 5.07

Maximum number of 4 GPH red drip emitters on 1/2" drip tubing with .600 ID

Drip emitters spacing 1' 2' 3' 4'
Flow rate @ 25 PSI 4.29 4.29 4.29 4.29
Maximum length 59 94 120 148
Flow rate in GPM 4.22 3.36 2.86 2.65
Flow rate in GPH 253.1 201.6 171.6 158.7
# of drip emitters 59 47 40 37
Velocity (f/s) 4.79 3.81 3.25 3.01
Total head loss in PSI 5.1 5.38 5.02 5.31
*Based on around 90% flow uniformity and 0% slop