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SD-TAPE

     

    SD-TAPE- innovative drip tape with the most advanced labyrinth design presented in the market: maximum emission uniformity and resistance to clogging. The labyrinth design sets a new standard of clogging resistance:

    • 3D emitter inlet ensures resistance to clogging
    • Special inlet construction enables emitter productivity even when the emitter itself is covered with a layer of clogging particles
    • Special design minimizes penetration of roots and soil particles

    Very lower variation coefficient ensures high emission uniformity. Continuous overwhelming quality control assures confidence in excellent results.

    TAPE MODELS:

    6 MIL 20 CM 1 L/H 8 MIL 20 CM 1 L/H
    6 MIL 30 CM 1 L/H 8 MIL 30 CM 1 L/H

    APPLICATION: STARDROP tape is designed to be used in open field and in greenhouses for such crops as onion, carrot, reddish, beetroot, maize.

    EMITTER TECHNICAL DATA

    Type

     

    Name

    1.00

    Nominal flow (l/h)

    2.50

    Coefficient of variation CV (%)

    0.10

    Kd factor (emitter friction)

    1.04

    Flow equation constant K (Q=K*Pˣ)

    0.48

    Flow equation constant Х (Q=K*Pˣ)

    145

    Hazen Williams C value

    2.0

    Maximum allowed pressure (bar)

    0.50

    EMITTER’S CURVE

     

    DESCRIPTION Standard spacing between emitters is from 20cm to 30cm. Wall thickness is from 6 mil to 8 mil. Flow rate per emitter at working pressure 1 bar: 1,0 l/h.

    DRIP TAPE SPECIFICATIONS:

    Maximum recommended length (meters) at various flow variations

     
     

    Flow Variation

    5%

    7.5%

    10%

    15%

    20%

     

    Emitter spacing (cm)

    15

    67

    77

    86

    99

    111

     

    20

    82

    96

    106

    123

    138

     

    25

    97

    112

    125

    145

    162

     

    30

    110

    128

    142

    165

    185

     

    33

    118

    137

    152

    176

    198

     

    40

    135

    156

    174

    202

    226

     

    50

    157

    183

    203

    235

    264

     

    60

    178

    206

    230

    266

    299

     

    75

    207

    240

    267

    310

    347

     

    80

    216

    250

    279

    323

    362

     

    90

    234

    272

    302

    350

    392

     

    100

    251

    291

    324

    375

    421

     

     

    Maximum recommended length (meters) at various emission uniformities

     
     

    Emission uniformity

    95%

    92,50%

    90%

    85%

    80%

     

    Emitter spacing (cm)

    15

    76

    104

    122

    149

    174

     

    20

    94

    128

    151

    185

    215

     

    25

    111

    151

    177

    217

    253

     

    30

    126

    171

    201

    247

    288

     

    33

    135

    183

    215

    264

    308

     

    40

    154

    210

    246

    302

    352

     

    50

    180

    245

    287

    352

    411

     

    60

    203

    277

    325

    398

    466

     

    75

    236

    322

    378

    464

    542

     

    80

    247

    336

    395

    484

    566

     

    90

    267

    364

    427

    524

    612

     

    100

    287

    390

    458

    562

    656