Siemens SINAMICS G180 - C.12 Derating; Current Derating

Technical data
C.10 Permissible substance values for the cooling water
Installation and Operating Instructions SINAMICS G180
Operating Instructions, 02/2019, 4BS0751-007
205
Water cooling - Connection hoses
Frame size
BG S2
BG S2/21
BG S3
Inlet DN "…^…"
13 ^ ½ "
13 ^ ½ "
19 ^ ¾ "
Return DN "…^…
13 ^ ½ "
13 ^ ½ "
19 ^ ¾ "
Venting DN "…^…"
13 ^ ½ "
13 ^ ½ "
13 ^ ½ "
Cabinet height [mm]
2000
2200
2200
C.10
Permissible substance values for the cooling water
Permissible substance values for the cooling water (process water and de-ionized water) for
converter cooling with open standard cooling without a cooling system.
Material: Stainless steel, material number: 1.4301; 1.4571
Permissible values for stainless steel material
Water temperature
+10 ... +30 (+35) °C
pH value
7 ... 8
Total hardness
6 ... 20 °dH
Carbonate hardness
3 ... 10 °dH
Solid residue from evaporation 105 °C
< 500 mg / l
Free carbon dioxide
< 1 mmol / l
Chlorides
< 150 mg / l
Sulfates
500 mg / l
Nitrates
< 10 mg / l
Nitrites
0 mg / l
Phosphates
< 0.5 mg / l
Ammonium NH4
< 0.5 mg / l
Ammonia
0 mg / l
Silicon (SiO2 crystalline)
< 10 mg / l
Free CO2 (p value)
< 15 mg / l
Iron
< 0.2 mg / l
Hydrogen sulfide
< 1 mg / l
Suspended solids < 50 µm < 10 mg / l
Conductivity < 3000 µS / cm
Oxygen
8 ... 12 mg / l