pumpen-rührwerktechnik Pumpen-RÜhrwerk-Technik GmbH


Pumpen-Rührwerk-Technik GmbH
Freisenstr. 28
D-44649 Herne

Tel. +49 (0) 2325 76539
Fax +49 (0) 2325 75815


STEINIG-Oil Skimmer OTF-S (with disc)

Following descriped Type: OTF-1 S, OTF-2 S, OTF-3 S


otf s 1OTF-1 S

  • disc-Ø 200, 250, 300 and 365 mm
  • motor: 230 V, 50 Hz, 3 watt, synchron gear motor according to VDE 0530/0730, to fit according protection class I, to earth
  • with additional clamping box
  • separating between disc (water part) and unit through plastic connection
  • with integrated bonnet
  • for fast mounting
  • total made of stainless steel, wipers of PTFE adjustable
  • special design: thread nozzle R 1" AG, clamping feature, ready to fit a drain hose, level switch for oil collecting tank
Type: simple unit construction, total made of stainless steel
wiper: by hand adjustable, very immun, wear resistant
total drain: open, simple drain, against extra cost oil outlet drain with R 1″ AG
outside thread
standard speed: so designed that an effective oil recovery will be reached, at lowest
water rate
gear motor: 0,003 kW, 50 Hz, 220 V, simple construction with insulated cable
and clamping box
disc diameter: 200, 250, 300, 365 Ø
  • for easy, simple and undemanding applications
  • for small coolant emulsion tanks
  • for machining machines
  • small degreasing bathes
  • to cater for longer lifetime of the coolant emulsion
  • preferabel unit let run if oil is available, ease and floating on top

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otfs 2OTF-2 S

For not or only less unsteadiness and high levels. At fall of levels up to lower edge of the disc the delivery of oil will be go back up to zero.

  • robust industrial construction
  • free lying shaft (partial with counter bearing)
  • maintenance free
  • extrem steep and large volumed drains
  • clain wiping
  • no oil impounding in the drains at usual viscosity
  • small constructind design with large capacity
  • special design possible
For continuous and discontinuous separating oil and liquid grease floating on surface in spots or connected layers, as a thick layer or film or small spots from cold or hot condensate neutral up to basic or acid in calm and strong moving water.

For ground-water rehabilitation (bymeans of deep well), basin of treating, coolant amulsion, industrial effluents, Oil collecting basins, habour basin, refineries, railway depots, industrials washing-separators, shipping, degreasing bathes in galvanic firms (and industrial for metal processing), manufacturers for eatable oils, washing plants (for tankers, cars, lorries, busses, trams, trains, panzer/armor …).

Oils, liquid grease, petrol, kerosene, solvents and similar.

Performance range
oil recovery Q up to approx. 1.000 l/h
submersible depth ET up to 520 mm
speed n 0,5 – 20 min–1 (depending on Ø)
temperature t up to 100 °C
disc-Ø   250 – 1.400 mm
oil outlet nozzle R 1 – 3″ AG (or spezial nozzle)
rst water content < > <> 1 %

Oil sticks to both sides of the down moving belt part, transported to top over the driving roll and nearly wiped off dry on down moving belt side, squashing away oil on the inside the belt is impossible with
our rolls.
Steep drains avoid, in usually viscocity, an oil block or splash over. Oil is quickly drained. Exactly horizontal mounting is not required. Floating solid parts and wind do not influence the function

Dependet from oil layer thickness, viscosity, disc-Ø, submersible depth, water movement and speed. Rough appr. figure per each disc in standard speed: half disc width on top of water level in mm = l/h.

type: robust industrial design
wipers: adjustable by hand, very resistant, solid in consumption
total drain: total closed, oil outlet nozzle with outside thread
standard speed: so proportioned that there is the most effective oil recovery, with lowest water share
gear motor: 0,011 kW, in 3x 400 V, over that 230/400 V, 50 Hz, IP 54
disc-Ø: 365 up to 1400 Ø
disc number: up to 10
painting: undercoat, 2-fold of blue hammer finish paint, impact-resistant, bigger sizes with black special resistant paint

Special design
Total made of polypropylen PP, multiple discs, as a floating unit, according to ATEX, pressure air drive, hydraulic drive, oil outlet heightened and in one line with the disc (special at heavy fluently fluid).

Performance curve
kennlinie otf s

zeichung oft s

Lesebeispiel in Kennlinie
Wieviel Öl in l/h bei folgenden Einsatzbedingungen:
Viskosität = 160 mm 2/s (cSt)
Ölschichtdicke = 10 mm
Drehzahl = 16 mm–1
Förderbreite Maß x = 500 mm

Ergebnis: ca. 500 l/h
* 16 min–1 nur bei OTF-2B ab Größe 400 und alle OTF-4B (die 16-min–1-Kennlinie entspricht in etwa der Förderleistung auch bei allen anderen OTF-Typen in der Standard-Drehzahl (nicht bei OTF-BE)).

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otf3sOTF-3 S

  • for simple applications, spezial at metal-cutting machines
  • disc-Ø 205, 300 and 400 mm
  • disc 205 and 300 Ø mm made of stainless steel, 400 Ø mm made of plastic
  • oil recovery rate without obligation at best covered oil layer up to 5 l/h
  • temperature at disc of stainless steel up to 90 °C and of plastic up to 80 °C
  • motor: connection 230 V (one phase only), 50 Hz, operating voltage 12 V, with loose time switch, with shock-proof plug and cable, integrated transformer and adjustable speed over setting voltage
  • mounting over strong foot magnet
  • wipers of polyurethane PU
  • with 2 setting possibilities over lever screws, thereby the built-in position can
    be installed in the best way
  • for simple and undismanding applications
  • for small coolant emulsion tanks
  • for Bearbeitungsmaschinen
  • for small degreasing bathes
  • to cater for longer lifetime for the coolant emulsion
  • preferable unit run if oil is available, oil is settled down and floating on top

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