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Содержание COOLNET PRO

Страница 1: ...V 001 01 2018 SPINNET SD VIBRONET COOLNET PRO MISTNET SPINNET MICRO SPRINKLERS EMITTERS UPSIDE DOWN HANDBOOK...

Страница 2: ...THE USER IS ADVISED TO OBTAIN THE PROFESSIONAL ADVICE OF NETAFIM AND OR ITS AUTHORIZED REPRESENTATIVES INDEPENDENTLY THERE IS NO UNDERTAKING BY NETAFIM THAT THE INFORMATION PROVIDED HEREIN OR ANY PAR...

Страница 3: ...tures and benefits Performance Water trajectory Distribution uniformity Head loss A particular case 4 5 5 6 6 6 6 7 7 8 8 8 9 9 15 15 16 17 17 18 18 18 18 18 19 19 19 19 20 20 20 21 21 22 23 23 23 23...

Страница 4: ...iency of usage of the instructions contained in the document NOTE Specific points aimed at emphasizing a certain aspect of the operation or installation of the system SAFETY FOOTWEAR The subsequent in...

Страница 5: ...maintenance and troubleshooting of the components of the Netafim micro sprinkler emitter system refer to the user manuals and documentation of each component supplied with the system This document sho...

Страница 6: ...ected crops in Greenhouses Nurseries Nethouses Tunnels Applications Irrigation Full coverage There is no doubt that in most cases plant irrigation and fertilization is much more efficient and effectiv...

Страница 7: ...by possibly inhibiting proper germination Provide perfect distribution uniformity Germination is usually carried out on tables trays divided into individual cells the water cannot pass through the bou...

Страница 8: ...rate 70 l h Spacing between micro sprinklers emitters on the same distribution pipes 2 0 m Spacing between distribution pipes 2 5 m 70 2 x 2 5 14 0 Pr 14 0 mm h Rooting This is necessary when the farm...

Страница 9: ...sprinklers emitters in the same distribution pipe and spacing between distribution pipes ATTENTION The survey must be conducted on a flat leveled and obstruction free area Nine rectangular areas each...

Страница 10: ...calculation of the CU method it does not account for individual spots that receive no water at all Calculating CU 1 Gather the water levels previously collected in each gauge or can mm a 2 Sum all th...

Страница 11: ...36 1 21 Sum 91 35 Sum 7 29 Application deviations are always recorded as positive numbers whether the result is lower or higher than the average net application AVG Distribution uniformity DU The DU i...

Страница 12: ...column are summed up 5 The sum of the lowest 25 of the numbers in the column is divided by 25 of the number of gauges or cans placed This provides the average net application of the lowest 25 of the n...

Страница 13: ...nded for irrigation planning A perfectly uniform application is represented by an SC of 1 0 A less uniform application is represented by a higher SC value For micro sprinkler emitter irrigation of pro...

Страница 14: ...ove demonstrate that each method of calculating distribution uniformity produces a different result Method Value Level of distribution uniformity CU 92 12 Very good DU 86 65 Very good SC 1 36 Acceptab...

Страница 15: ...eives the lowest pressure along the distribution pipe a 20 pressure difference corresponds to a 10 flow rate difference which is the accepted maximum for defining uniform irrigation The selection of t...

Страница 16: ...mm MICRO SPRINKLER EMITTER SELECTION E micro sprinkler emitter water trajectory 1 Elevation of micro sprinkler emitter nozzle above surface 2 Elevation of max trajectory height above micro sprinkler...

Страница 17: ...ler emitter should be selected by weighing the above parameters according to their relative relevance to the crops needs and the grower s objectives NOTE Protected crops are extremely intensive with v...

Страница 18: ...r distribution uniformity There are no dry areas where the water distribution is obstructed by a bridge Durability and low maintenance All Netafim micro sprinklers emitters are made from the highest q...

Страница 19: ...nnection that ensures excellent grip even under high pressure as long as the installation is carried out according to the instructions See page 40 and makes the handling of the micro sprinkler and its...

Страница 20: ...nt AA raw materials thus allowing the application chemicals to pass through the system The system can be cleaned by application of suitable acid treatments WARNING When handling acid always observe th...

Страница 21: ...1 7 10 9 8 8 090 94 5 19 7 23 6 15 8 14 8 11 8 120 125 0 26 0 31 3 20 8 19 5 15 6 160 183 0 38 1 45 8 30 5 28 6 22 9 200 207 0 43 1 51 8 34 5 32 3 25 9 SR Blue rotor Spacing m x m 1 0 x 2 0 1 5 x 2 0...

Страница 22: ...10 0 049 0 10 0 15 60 0 035 0 05 0 08 0 063 0 07 0 13 0 098 0 10 0 20 90 0 052 0 05 0 10 0 094 0 07 0 16 0 147 0 10 0 25 120 0 070 0 05 0 12 0 126 0 07 0 20 0 196 0 10 0 30 Nozzle 120 160 200 Micro tu...

Страница 23: ...n FLT flat distribution Gray SR short range Blue Nozzle and SD connector code color 050 090 Orange Orange 120 070 Red Red 160 070 Brown Red 160 090 Brown Brown 200 090 Yellow Brown 200 120 Yellow Yell...

Страница 24: ...ols are required Acid resistant AA raw materials thus allowing the application chemicals to pass through the system The system can be cleaned by application of suitable acid treatments WARNING When ha...

Страница 25: ...different working pressures using the formula Q l h K P meter X Flow rate calculation Water trajectory T D Swivel rotor T Trajectory height cm D Distance from head cm LR 40 165 FLT 30 160 SR 15 140 Tr...

Страница 26: ...e accurate distribution data for a specific crop contact the pertinent Netafim technical team Head loss Head loss bar in the emitter stand micro tube and AD valve Nozzle 090 050 120 070 160 070 Micro...

Страница 27: ...sprinklers are not assisted by micro sprinklers on an adjacent distribution pipe In such a case increase the distance between the two distribution pipes according to the type and performance of the s...

Страница 28: ...l strips with SpinNet SD emitters Strip width m 8 0 9 0 10 0 11 0 12 0 Model SpinNet SD FLT 160 070 SpinNet SD FLT 160 070 SpinNet SD FLT 160 070 SpinNet SD LR 120 70 SpinNet SD LR 120 70 Distance bet...

Страница 29: ...es existing in the water Wherever sand exceeding 2 ppm exists in the water a hydrocyclone sand separator is to be installed upstream from the main filter When sand silt clay solids exceed 100 ppm prel...

Страница 30: ...20 0 13 3 10 0 050 47 0 47 0 31 3 23 5 15 7 11 8 Distribution uniformity tests under laboratory conditions emitter head at 1 5 meter above surface Real flow rate at 3 0 bar working pressure at the em...

Страница 31: ...ating up to 4 active nozzles T accommodating 2 active nozzles Single body with one nozzle can be mounted in any direction While such systems exist on the market they require a working pressures of mor...

Страница 32: ...5 0 bar Body models Cross up to 4 active nozzles T 2 active nozzles Single 1 active nozzle Recommended filtration 130 micron 120 mesh Nominal working pressure is a manufacturer defined prerequisite of...

Страница 33: ...ble real flow rate calculations at different working pressures using the formula Q l h K P meter X Flow rate calculation Water trajectory T D Nozzle Model T Trajectory height cm 5 5 10 7 5 10 14 0 13...

Страница 34: ...gned capacity It is recommended to divide the total area that will function together into a number of sub areas to enable planning and execution using relatively small valves and distribution pipes Th...

Страница 35: ...relative humidity controlled by an operator associated with a humidity sensor Humidity increasing For this agricultural application it is required to increase the humidity in the structure For example...

Страница 36: ...highly recommended to install a reverse osmosis filtration system upstream of the misting system Alternatively the MistNet can be used without reverse osmosis filtration system It provides an excelle...

Страница 37: ...d by Netafim s team of experts Features and benefits Interchangeable components Acid resistant AA raw materials thus allowing the application chemicals to pass through the system The system can be cle...

Страница 38: ...nto account that the volume of water in the micro tube a relatively small amount will drip through the emitter onto the crop at the end of each irrigation pulse Netafim offers an assortment of models...

Страница 39: ...ely with flexible pipes When the hydraulic system is properly designed to suit the actual flow rate through the distribution pipes this phenomenon is usually impossible to observe because it happens v...

Страница 40: ...ube is soft and flexible over time it becomes increasingly harder Moreover the primary reason to avoid using PVC micro tubes is that under certain conditions those substances that elasticize the PVC a...

Страница 41: ...Create a 9 8 mm hole and prepare the thread using a screw tap M11x1 Connecting press fit connectors ATTENTION It is very important to connect the press fit connectors correctly for the connection to...

Страница 42: ...mm PE pipe 25 mm ID 21 2 mm The data in the tables below is for demonstration and initial impression In order to determine the maximum distribution pipe length while maintaining a flow rate variation...

Страница 43: ...er emitter head 3 0 bar PE pipe 16 mm ID 13 2 mm PE pipe 20 mm ID 17 0 mm PE pipe 25 mm ID 21 2 mm PE pipe 32 mm ID 27 2 mm Slope Distance between emitters m 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 Ma...

Страница 44: ...rinkler emitter head 3 0 bar PE pipe 20 mm ID 17 0 mm PE pipe 25 mm ID 21 2 mm PE pipe 32 mm ID 27 2 mm PVC pipe 40 mm ID 36 2 mm Slope Distance between emitters m 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5...

Страница 45: ...head 3 0 bar PE pipe 20 mm ID 17 0 mm PE pipe 25 mm ID 21 2 mm PE pipe 32 mm ID 27 2 mm PVC pipe 40 mm ID 36 2 mm Slope Distance between emitters m 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 Max distrib...

Страница 46: ...does not extend to repairs or replacements of the product or part resulting from misuse negligence alteration force majeure lightning improper installation or improper maintenance including any maltr...

Страница 47: ......

Страница 48: ...GROW MORE WITH LESS WWW NETAFIM COM...

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