En 
Domestic technology Equipment for storage and distribution of liquid fuels 69929 Heizölentlüfter Flow-Control 3/M
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Flow-Control 3/K HT | 69929

automatic fuel oil de-aerator

manufactured goods
Documents

  • high temperature version: Up to a temperature of the medium of 80 °C
  • Dual float safety system keeps oil foam from escaping
  • increased fuel oil filter service life - the amount of oil drawn from the tank corresponds exactly to the oil actually burnt
  • no unnoticed leakage in the return line
  • materials resistant to biofuel and biodiesel with max. 100 % FAME
  • PROOFED BARRIER if installed with vent hose
  • watertight up to 10 m water column - ideal for use in flood hazard areas

For single-line systems with return line in oil-fired systems for continuous de-aeration. Suitable for fuel oil EL (DIN 51603-1), diesel fuel (EN 590), liquid fuels as per DIN SPEC 51603-6 and DIN/TS 51603-8 as well as biofuel and biodiesel with up to 100 % FAME (EN 14214). This product is therefore ideal for all ecologically upgraded fuel oil consuming systems that use the new paraffinic fuels HVO or GTL as an admixture or 100 %. Also for use in flood hazard areas and flood risk areas.
Flow Control 3/K HT is recommended for mounting below the max. fuel level in the tank and for any application requiring particular safety.

Automatic fuel oil de-aerator consisting of a diecast zinc housing with female G¼ connection thread at the tank end and male G⅜ connection threads with 60° cone at the burner end for connection of the burner hoses. An oil hose with ball-shaped sealing for 60° cone and a G⅜ union nut is supplied for connection to the fuel oil filter. The de-aerator hood consists of glass-fibre reinforced plastic (not transparent), all seals are made of FKM. Flow-Control 3/K HT features 2 separate float chambers. The lower float chamber contains the operating float; the upper float chamber contains the safety float. The upper float chamber keeps oil foam from escaping via the vent opening (e.g. during commissioning/filter exchange) and also indicates malfunctions of the vent valve. The risk of a leak in the return line going unnoticed is removed with the single-line system. It is no longer necessary to regularly check the return line for leaks. Also suitable for pressure mode up to 0.7 bar. Watertight up to 10 m water column.

connection burner end
G⅜ male with 60° cone for burner hoses
Connection tank
G¼ female or oil hose G¼ male x G⅜ union nut for connection to filter
Nozzle capacity
max. 100 l/h
Return flow
max. 120 l/h
Separating capacity air/gas
ca. 4 l/h
Mounting position
Float housing vertical to the top
seals
FKM
Operating temperature range
Medium:
max. 80 °C
Ambient:
max. 60 °C
Operating overpressure
max. 0.7 bar
(corresponds to static oil column of approx. 8 m)
Test pressure
  6 bar
Dimensions (W x H x D)
95 x 147 x 95 mm
Material
Housing:
Zinc die cast
De-aerator hood:
plastic, glass-fibre reinforced
Test
TÜV-tested (S 556 2021 S1)
approval
Conformity certificate (ÜHP) as per EN 12514

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