LEYBOLD Trivac L - Page 20

Parameter
Unit
TRIVAC D 40 L TRIVAC D 63 L TRIVAC D 90 L
50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz
Net weight
kg
(lbs)
79
174.1
85
187.3
96
211.6
Net weight without motor
kg
(lbs)
59
130.0
63
138.8
69
152.1
Total shipping weight
kg
(lbs)
91
200.6
97
213.8
109
240.3
Intake connection - DN 40 ISO-KF
Exhaust connection - DN 40 ISO-KF
1) For DIN 28400 and following numbers, with standard gas ballast.
2) Operated at the ultimate pressure without/with gas ballast OP1, free-eld
measurement at a distance of 1 m.
Table 2 Unit conversion
Conversion factors
Different pressure units Different pumping speed units
mbar (milli‐
bar)
torr
inches Hg
vacuum
m
3
.h
-1
(m
3
/h)
ls
-1
(l/s)
cfm
(cubic feet per
minute)
1013 760 0
m
3
.h
-1
= m
3
/h
1 0.278 0.589
1 lb = 0.453 kg 400 300 18.12
ls
-1
= l/s
3.60 1 2.12
1 qt = 0.946 l 133 100 25.98 cfm = cubic feet per
minute
1.699 0.472 1
1 hp = 0.735 kW 4 3 29.80
1 rpm = 1 min
-1
1 0.75 29.89
1 inch = 25.4 mm 0.1 0.075 29.92
1 atm (atmosphere) = 1013 bar
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.
1 Pa (pascal) = =0.01 mbar = 10
-2
mbar
1 bar = 1000 mbar
1 torr = 1.33 mbar
300956027_002_A0 - 03/2022 - © Leybold
20
Technical data