Oil / Air Cooling Unit Type 3.01.xx.xx
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1 Type 3.01.xx.xx Application Technical Material Fitting note Cooling of: Oil, HFA, HFB, HFC, HFD liquids up to = 100 x 10-6 m 2 /s water/glycol 65:35, By no means water without anticorrosive agent Cooling medium:air Type x x.51 Frontal area m² 0,077 0,077 Fan speed 1/min Air-flow rate Kg/s 0,6 0,3 Driving power kw 0,25 8 Electric motor, size IM B14 C90-63 IM B14 C90-63 Noise level (1m / 7m) db(a) 78 / / 51 Weight kg Oil content L 2 2 Allow.operating temp. C Allow.operating pressure bar Core aluminium aluminium Fan plastic plastic Miscellaneous steel, treated steel, treated Operating instruction to be followed in any case Example Given kw P v = 6 Power dissipation l/min V Öl = 60 Oil flow kg/s V L = 0,43 (s.o.) Air volume C t Öle = 60 Oil inlet temperature C t Le = 27 Cooling air temperature Inlet temperaturedifference ETD Spec. heat dissipation ETD = 1 Kelvin, P 01 K K Cooling of oil, t Öl K Calculated ETD = t Öle t Le = = 33 K P 01 = P v / ETD = 6 / 33 = 8 t Öl = 36 x P v / V Öl = 36 x 6 / 60 = 3,6 K t L = P v / V L = 6 / 0,43 = 14,0 K Key-No.: 3.01.xx.xx Page 1 / 2
2 Type 3.01.xx.xx 0,25 P , ,05 0 p - Pressure drop 1,00 0 bar V Öl l/min 0, l/min p-values of this chart apply to = 32 mm²/s (~ 32 cst) In case of divergent viscosity the calculated p-value shall be multiplied by f mm²/s 0,5 0,65 0,75 1,0 1,2 1,4 1,6 2,1 2,7 4,0 5,5 7,3 9,5 16,0 30,0 f Key-No.: 3.01.xx.xx Page 2 / 2
3 Oil/ Air Cooling Unit Type 3.02.xx.xx ~ Application Technical Material Fitting note Cooling of: Oil, HFA, HFB, HFC, HFD liquids up to = 100 x 10-6 m 2 /s water/glycol 65:35, By no means water without anticorrosive agent Cooling medium air Type x x.51 Frontal area m² Fan speed 1/min Air-flow rate Kg/s 0,86 0,51 Driving power kw 0,55 0,37 electric motor, size IM B14 C IM B14 C Noise level (1m / 7m) db(a) 85 / / 54 Weight kg Oil content L 2,5 2,5 Allow. operating temp. C Allow.operating pressure bar Core aluminium aluminium aluminium Fan plastic plastic plastic Miscellaneous steel, treated steel, treated steel, treated Operating instruction to be followed in any case Example Given Power dissipation kw P v = 9 Oil flow l/min V Öl = 45 Air volume kg/s V L = 0,75 (s.o.) Oil inlet temperature C t Öle = 60 Cooling air temperature C t Le = 25 Inlet temperaturedifference, ETD K Spec. heat dissipation at ETD = 1 Kelvin, P 01 Cooling of oil, t Öl K Heating-up of air, t L K Calculated ETD = t Öle t Le = = 35 K P 01 = P v / ETD = 9 / 35 = 0,27 t Öl = 36 x P v / V Öl = 36 x 9 / 45 = 7,2 K t L = P v / V L = 9 / 0,75 = 12,0 K Key-No.: 3.02.xx.xx page 1 / 2
4 Oil/Air Cooling Unit Type 3.02.xx.xx P 01 0,35 0, ,25 0, ,05 0 p - Pressure drop 1,00 0 bar V Öl l/min 0,01 1 l/min p-values of this chart apply to = 32 mm²/s (~ 32 cst) In case of divergent viscosity the calculated p-value shall be multiplied by f mm²/s 0,5 0,65 0,75 1,0 1,2 1,4 1,6 2,1 2,7 4,0 5,5 7,3 9,5 16,0 30,0 f Key-No.: 3.02.xx.xx page 2 / 2
5 Type 3.03.xx.xx Application Technical Material Fitting note Example Cooling of: Oil, HFA, HFB, HFC, HFD Liquids up to = 100 x 10-6 m 2 /s water/glycol 65:35, By no means water without anticorrosive agent Cooling medium air Type x x x.31 Frontal area m² Fan speed 1/min Air-flow rate Kg/s 1,18 0,79 0,51 Driving power kw 0,55 0,37 0,25 Electric motor, size IM B14 C IM B14 C IM B14 C Noise level (1m / 7m) db(a) 87 / / / 48 Weight kg Oil content L Allow.operating temp. C Allow.operating pressure bar Core aluminium aluminium aluminium Fan plastic plastic plastic Miscellaneous steel, treated steel, treated steel, treated Operating instruction to be followed in any case Given Power dissipation kw P v = 12 Oil flow l/min V Öl = 40 Air volume kg/s V L = 0,84 (s. Oben) Oil inlet temperature C t Öle = 60 Calculated Cooling air temperature C t Le = 20 Inlet temperaturedifference ETD K ETD = t Öle t Le = = 40 K Spec. heat dissipation at P 01 = P v / ETD ETD = 1 Kelvin, P 01 = 12 / 40 = 0,30 Cooling of oil t Öl K t Öl = 36 x P v / V Öl = 36 x 12 / 40 = 10,8 K Heating-up of air t L K t L = P v / V L = 12 / 0,84 = 14,0 K Key-No.: 3.03.xx.xx Page 1 / 2
6 Oil / Air Cooling unit Type 3.03.xx.xx P 01 0,45 0, , ,3 0,25 0, ,05 0 p - Pressure drop 1,00 0 bar V Öl l/min 0, l/min p-values of this chart apply to = 32 mm²/s (~ 32 cst) In case of divergent viscosity the calculated p-value shall be multiplied by f mm²/s 0,5 0,65 0,75 1,0 1,2 1,4 1,6 2,1 2,7 4,0 5,5 7,3 9,5 16,0 30,0 f Key-No.: 3.03.xx.xx Page 2 / 2
7 Type 3.04.xx.xx G 1" (2x) Ø 9 (6x) 258 Entlüftung / Entleerung G 1/2" (2x) 114,5 40, Application Technical Material Fitting note Cooling of: Oil, HFA, HFB, HFC, HFD liquids up to = 100 x 10-6 m 2 /s water/glycol 65:35, By no means water without anticorrosive agent Cooling medium: air Type x x.31 Frontal area m² 0,209 0,209 Fan speed 1/min Air-flow rate Kg/s 1,4 0,91 Driving power kw 0,55 0,37 Electric motor, size IM B14 C IM B14 C Noise level (1m / 7m) db(a) 76 / / 52 Weight kg Oil content L 4 4 Allow. operating temp. C Allow.operating pressure bar Core aluminium aluminium Fan plastic plastic Miscellaneous steel, treated steel, treated Operating instruction to be followed in any case Example Given Power dissipation kw P v = 13 Oil flow l/min V Öl = 40 Air volume kg/s V L = 0,80 (s. Oben) Oil inlet temperature C t Öle = 65 Cooling air temperature C t Le = 25 Inlet temperaturedifference ETD K Spec. heat dissipation ETD = 1 Kelvin, P 01 Cooling of oil t Öl K Heating-up of air t L K Calculated ETD = t Öle t Le = = 40 K P 01 = P v / ETD = 13 / 40 = 0,33 t Öl = 36 x P v / V Öl = 36 x 13 / 40 = 12,0 K t L = P v / V L = 13 / 0,80 = 16,0 K Issue 08/2010 Subject to alteration Key-No.: 3.04.xx.xx Page 1 / 2
8 Type 3.04.xx.xx P 01 0,6 0, , ,3 0,2 0 p - Pressure drop 1,0 bar V Öl l/min 0, l/m in p-values of this chart apply to = 32 mm²/s (~ 32 cst) In case of divergent viscosity the calculated p-value shall be multiplied by f mm²/s 0,5 0,65 0,75 1,0 1,2 1,4 1,6 2,1 2,7 4,0 5,5 7,3 9,5 16,0 30,0 f Issue 08/2010 Subject to alteration Key-No.: 3.04.xx.xx Page 2 / 2
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