
Description
21
300314330_002_C7 - 05/2021 - © Leybold
DRYVAC DV
450
450-r
650
650-r
Tolerance
Speed
7,200 RPM
Min. permissible speed
4)
1,200 RPM
Protection class
IP 54
IP 55
IP 54
IP 55
Lubricant filling
LVO 410
LVO 210
–
LVO 210
LVO 410
LVO 210
LVO 410
LVO 210
Total lubricant quantity
1.2 l
1.2 l
1.2 l
1.2 l
± 5 %
Intake flange
DN 100 ISO-K / PN6 (1x on top, 2x on the sides)
Discharge flange
DN 63 ISO-K
Materials
components in contact with gas in the
pump chamber
Materials sealing the pump off in the
pump chamber towards the outside
Grey cast iron/graphite cast iron/FKM/
steel/stainless steel/epoxy paint
FKM, grey cast iron
Weight, approx.
620 kg
580 kg
590 kg
550 kg
± 20 kg
Dimensions (L x W x H)
1280 x 570 x
420 mm
1200 x 450 x
400 mm
1280 x 570 x
420 mm
1200 x 450 x
400 mm
± 10 mm
Water
Water connection
with cooling water unit
without cooling water unit
G1/2˝ (female)
G1/4˝
Water temperature
Pumps with synthetic oil
Pumps with PFPE
5 °C − 35 °C
5 °C − 25 °C
Minimum supply pressure
2 bar(g)**
(unobstructed discharge, no backpressure)
Maximum supply pressure
7 bar(g)**
Nominal flow
LVO 210
LVO 410 (PFPE)
6 l/min
7 l/min
6 l/min
7 l/min
7.5 l/min
10 l/min
7.5 l/min
10 l/min
Purge gas
Connection
plug-in connection D10
Nominal setting pressure Purge gas
(at nominal flow, valves open)
2.8 bar(g)**
± 5 %
Permissible setting pressure Purge gas
(at purge gas flow)
2.5 to 3.5 bar(g)**
± 5 %
Permissible supply pressure Purge gas
4.0 to 10.0 bar(g)**
± 5 %
Purge gas flow shaft seal / rotor
22 to 107 slm
see Section 3.5
± 10 %
Max.
Gas ballast flow
(P
Inlet
< 10 mbar)
5)
180 slm
180 slm
220 slm
220 slm
± 10 %