Dosatron D8RE2 VAF Proportional Feeder
Seal: AF | metering rate [%]: 0.2 - 2 | ratio: 1:500-1:50 | l/h: 500 - 8000 | min/max pressure [bar]: 0.15-8bar
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Dosatron D8RE2 VAF proportional dosing unit.
partnumber: D8RE2 VAF
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Dosatron D8 D8RE2
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Connected to the water mains, the Dosatron uses only water pressure as the driving force. In this way, it draws in the concentrate, doses it to the desired percentage and mixes it with the drive water. The working solution produced in this way flows through the Dosatron. The amount of product added is always proportional to the water flow rate, even in the event of fluctuations in flow rate or pressure..
Details
| General | |
| - Maximum operating water temp. - Minimum operating water temp. - Dosing - Average tolerance value of dosing* - Repeatability - Pressure drop* |
40° C [104° F] 5° C [41° F] e.g. set to 1 % = 1 : 100 = 1 vol concentrate + 100 vol water ± 5 % ± 3 % (API standard) 0.2 -1.7 Bar [2.9 - 24.65 PSI] |
| Other integrated functions | |
| - Built-in motor protection filter - Inlet / outlet connections - Built-in by-pass - Built-in vent - Built-in anti-siphon system. |
no 1''1/2 M : BSP- NPT Ø 40 x 49 mm option yes no |
| Drive | |
| - engine - displacement - mixing chamber |
Hydraulic differential piston engine 1.7 L [0.449 US gallons] (1cycle) Installed |
| Metering | |
| - Injection - Metering piston - Suction valve. |
Internal feed at inlet Simple action, injection process on upward movement Plug valve with spring loading. |
| Intake | |
| - Self-priming - Maximum viscosity of the concentrate* - Max. Suction height/ length of suction hose - Suction filter |
yes 400 cSt at 20°C [68°F] - Kit V recommended from 200 cSt 4 m [13ft] yes - with ballast |
Features.
Water flow rate 500 - 8000 l/h | |
Dosing proportional to water flow | |
Optional with ON/OFF function, manual or hydraulic | |
Adjustable dosage 0.2 - 5% | |
Integrated homogenisation | |
Working pressure 0.15 - 8 bar | |
Additional dosing independent of water pressure, water flow rate and pipe length | |
Drive: water flow rate and water pressure . | |
Features
Measure: volumetric hydraulic motor | |
dosing: steady proportional feed of the liquid or soluble concentrate | |
Regulate: Proportionality servo-controlled via water flow rate | |
Mixing: constant homogenisation in Dosatron . | |