4Technical data
Table 1 Technical data
SCROLLVAC 7 plus 10 plus 15 plus 18 plus
Peak pumping speed (m
3
h
-1
)
1-Phase (50/60Hz) and 3-Phase (60Hz)
6.1 10.6 14.5 20.0
Peak pumping speed (m
3
h
-1
)
3-Phase (50 Hz) only
5.1 8.8 12.1 16.7
Maximum permitted continuous operating pressure
(COP) (mbar)*
200 200 200 50
Maximum permitted outlet pressure bar(g)
†
0.5
Maximum permitted gas ballast inlet pressure bar(g) 0.5
Maximum inlet peak pressure bar(g) 4
Maximum recommended chamber volume to pump
down fr
om atmospheric pressure (litres)
‡
25 50 75 75
Maximum pressure rise when stopped, with no inlet
or gas ballast ow (mbar)
7
Leak tightness (mbarls
-1
) 1 x 10
-6
1 x 10
-6
1 x 10
-6
1 x 10
-6
Pump ultimate pressure (mbar),
Gas ballast position 0
2 x 10
-2
9 x 10
-3
9 x 10
-3
3 x 10
-2
Pump ultimate pressure (mbar),
Gas ballast position 1
5 x 10
-2
4 x 10
-2
4 x 10
-2
6 x 10
-2
Gas ballast ow (l min
-1
),
Gas ballast position 1 (60 Hz)
12 16 31 24
Maximum water vapour pumping rate
(with gas ballast) (g h
-1
)
100 140 280 220
Overall dimensions (L x W x H) 430 x 282 x 325 mm
Maximum tilt angle 10 degrees
Rotational speed at full load
(1-phase 50/60 Hz)
1800 rpm
Rotational speed at full load (3-phase 50Hz) 1500 rpm
Rotational speed at full load (3-phase 60Hz) 1800 rpm
Mass (kg) 26 25 26 25
Inlet connection DN 25 ISO-KF
Outlet connection DN 25 ISO-KF
Parameter 1-Phase 3-Phase
Declared dual-number noise emission values in accordance with ISO 4871. Values determined in accordance
with ISO3744:2010
Measured A-weighted emission sound pres
sur
e level, L
pA
at ultimate vacuum 1 m from
the pump in free space dBA
55 55
Uncertainty, K
pA
dBA 2.5 2.5
300668736_002_C7 - © Leybold 19
Technical data