KAESER BSD 50 User Manual

Characteristics/content Value
Sulphite (SO
3
) [mg/l] <1
Dissolved iron (Fe) [mg/l] <0,2
Hydrogen carbonate (HCO
3
) [mg/l] 70–300
Sulphate (SO
4
) [mg/l] <70
HCO
3
/SO
4
>1
Electrical conductivity [µS/cm] 10–500
Ammonia (NH
3
) [mg/l] <2
Dissolved manganese (Mn) [mg/l] <0,1
Dissolved aluminum (Al) [mg/l] <0,2
Dissolved nitrate (NO
3
) [mg/l] <100
Hydrogen sulphide (H
2
S) [mg/l] <0,05
Free aggressive carbon dioxide (CO
2
) [mg/l] <5
Glycol [%] <50
Solids (particle size) [mm] <0,1
Algae Not permitted
Tab. 27 Cooling water quality
2.16 Option W1/W2/W3
Heat recovery
2.16.1 Option W1
Prepared for external heat recovery
The quality of the heat transfer medium and its required flow rate depend on the type of heat
exchanger used.
Maximum permissible pressure loss in the cooling oil circuit: 8.7 psi.
Maximum heat capacity
available*
BSD 40 BSD 50 BSD 60
[kW] 27.0 33.3 40.8
[MJ/h] 97 120 147
[kcal/h] 23216 28616 35082
* With the combination valve set to open at 176 °F.
Tab. 28 Heat capacity (option W1)
2.16.2 Option W2/W3
Internal heat recovery
Water is generally the heat-receiving medium. The water must meet the specification given below in
order not to damage the heat exchanger.
2 Technical Data
2.16 Heat recovery
9_5708 08 USE
Service Manual Screw Compressor
BSD
13

KAESER BSD 50 Specifications

General

Model	BSD 50
Category	Rotary Screw Compressor
Motor Power	30 kW
Noise Level	69 dB(A)
Drive Type	Direct