BUSCH R 5 - 12 Technical Data; 13 Oil

Technical Data | 12
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12 Technical Data
RA 0400 C
RC 0400 C
RA 0502 C
RC 0502 C
RA 0630 C
RC 0630 C
Nominal pumping speed ACFM 305 375 455
Ultimate pressure
(without gas ballast valve)
Torr abs. For RA version: 0.075 … 0.375 ► see nameplate (NP)
For RC version: 15
Ultimate pressure
(with gas ballast valve)
Torr abs. For RA version: 0.375 … 0.75
For RC version: 15
Nominal motor speed RPM 1150
Nominal motor speed range RPM 800 … 1150
Nominal motor rating hp 15.0 20.0 25.0
Motor rating at 75 Torr hp 13.4 16.0 20.0
Motor rating at ultimate pres-
sure
hp 7.5 8.5 10.7
Noise level (ENISO2151) dB(A) 79 79 79
Water vapour tolerance max.
(with gas ballast valve)
Torr 30
Water vapour capacity (with
gas ballast valve)
kg / h 11 13 22
Operating temperature °F 176 185 176
Max. allowable back pressure PSI 3
Max. allowable gas inlet tem-
perature
°F ≤37.5 Torr ► 302
>37.5 Torr ► 176
Ambient temperature range °F
See Oil [►27]
Ambient pressure Atmospheric pressure
Oil capacity Qts 14 16 16
Weight approx. Lbs 1084 1285 1527
13 Oil
R-530 R-590 R-570
ISO-VG 100 100 100
Oil type Mineral oil Synthetic oil Synthetic oil
Ambient temperature range [°F] 41 - 86 41 - 104 41 - 104
For general applications, use R530.
Use R590 or R570 in pumps that are operated in high ambient temperatures (above 86°F) or high op-
erating pressure when the oil carbonizes (turns black) before the change interval.
Contact the factory for recommendations when using other oils.