LEYBOLD SOGEVAC SV 200 BR2, Operating Instructions Manual

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10
GA02307_002_C0 - 11/2016 - © Leybold
Description
Conversion factors Different pressure units Different pumping speed units
mbar
(millibar)
torr inches Hg
vacuum
m
3
· h
-1
l · s
-1
cfm
1lb = 0.453 kg
1 qt = 0.946 l
1013
400
760
300
0
18.12
m
3
· h
-1
= m
3
/h 1 0.278 0.589
1 hp = 0.735 kW
1 r.p.m. = 1 min
-1
133
4
100
3
25.98
29.80
l · s
-1
= l/s 3.60 1 2.12
1 inch = 25.4 mm 1
0.1
0.75
0.75
29.89
29.92
cfm (cubic feet
per minute)
1.699 0.472 1
1 atm (atmosphere) = 1013 mbar
1 Pa (pascal) = 0.01 mbar = 10
-2
mbar
1 bar = 1000 mbar
1 torr = 1.33 mbar
Example: 1 m 3 ·h -1 = 0.589 cfm
Note: the nominal pumping speed of
a pump at 60 Hz is 20 % higher than at 50 Hz
SV200
Technical Data 60 Hz
Nominal speed 1) cfm 130
Pumping speed 1) cfm 118
Ultimate partial pressure without gas ballast
1)
Torr 6·10
-2
Ultimate total pressure Torr 0.5
with gas ballast standard
1)
Water vapour tolerance
with standard gas ballast
1)
or EM Torr ≤ 30
Motor power hp 7.5
Rated rotational speed rpm 1750
Oil filling (min./max.) qt 5.3/9.5
Weight lb 342
Inlet flange NPT (F) inches NPT 2
Exhaust flange NPT (F) inches NPT 2
1) to DIN 28400 and following numbers, with standard gas ballast.