5
Oils for refrigerant R744 (CO
Characterising the oils
Oil
Oil type
BSE60K
polyolester oil (POE)
BSE85K
polyolester oil (POE)
BSG68K
polyalkylene glycol oil
(PAG)
Tab. 5: BITZER oils for R744
Material safety data sheets
Apart from this document, please observe the material safety data sheet (MSDS) for the respective oil. It contains
information on toxicity, handling, personal protective equipment and disposal of the oil. Material safety data sheets
for all BITZER oils are available on request .
Application range
Oil
BSE60K
BSE85K
BSG68K
Tab. 6: Application range of oils for R744 in BITZER reciprocating compressors. For application limits see also BITZER SOFTWARE.
(✔): after consultation with BITZER Application Engineering
✔*: BSG68K is precondition for applications with low pressure > 40 bar / high pressure > 120 bar
Technical data
BSE60
K
Density at
1.009
15°C
Flashpoint
286
Pour point
-48
Kinematic viscosity
at 40°C
55
at 100°C
9
Tab. 7: Technical data of oils for R744 in BITZER reciprocating compressors
KT-500-9 // PDF Download
)
2
Applications
standard oil charge for subcritical (e.g. cascade)
applications
standard oil charge for transcritical applications,
alternative oil charge for subcritical (e.g. booster)
applications
standard oil charge and precondition fo applica-
tions with low pressure > 40 bar / high pressure >
120 bar,
alternative oil charge for sub- and transcritical com-
pressors in booster applications e.g. with ejectors
Air conditioning Medium temper-
ature applica-
tion
– –
(✔)
✔*
BSE85
BSG68
Unit
K
K
0.993
1.003
g/ml
246
> 200
°C
-42
-46
°C
80
68
cSt
11
16
cSt
Low temperat-
ure application
– –
✔
✔
✔
✔
✔
Designation on
compressor
"K" (e.g. 4DSL‑10K)
"K" (e.g. 4FTE‑30K)
"Z" (e.g.
4MTEU‑10LZ)
34