14 Technical data and dimensions
14.1 General
Basis for the technical data of Pfeiffer Vacuum rotary vane pumps:
● Specifications according to PNEUROP committee PN5
● ISO 21360-1: 2016: “Vacuum technology - Standard methods for measuring vacuum-pump per-
formance - Part 1: General description”
● Leak test to ascertain the integral leakage rate according to EN 1779: 1999 technique A1; with
20 % helium concentration, 10 s measurement duration
● Sound pressure level according to ISO 3744, class 2
mbar
bar
Pa
hPa
kPa
Torr | mm Hg
mbar
1
1 · 10
-3
100
1
0.1
0.75
bar
1000
1
1 · 10
5
1000
100
750
Pa
0.01
1 · 10
-5
1
0.01
1 · 10
-3
7.5 · 10
-3
hPa
1
1 · 10
-3
100
1
0.1
0.75
kPa
10
0.01
1000
10
1
7.5
Torr | mm Hg
1.33
1.33 · 10
-3
133.32
1.33
0.133
1
1 Pa = 1 N/m
2
Tbl. 13:
Conversion table: Pressure units
mbar l/s
Pa m
3
/s
sccm
Torr l/s
atm cm
3
/s
mbar l/s
1
0.1
59.2
0.75
0.987
Pa m
3
/s
10
1
592
7.5
9.87
sccm
1.69 · 10
-2
1.69 · 10
-3
1
1.27 · 10
-2
1.67 · 10
-2
Torr l/s
1.33
0.133
78.9
1
1.32
atm cm
3
/s
1.01
0.101
59.8
0.76
1
Tbl. 14:
Conversion table: Units for gas throughput
14.2 Technical data
Classification
Hena 50
Hena 50
Hena 70
Hena 70
Part number
PK D04 081 174
PK D04 081 175
PK D04 091 174
PK D04 091 175
Connection flange
(in)
DN 40 ISO-KF
DN 40 ISO-KF
DN 40 ISO-KF
DN 40 ISO-KF
Connection flange
(out)
DN 25 ISO-KF
DN 25 ISO-KF
DN 25 ISO-KF
DN 25 ISO-KF
Final pressure
without gas ballast
≤ 2 · 10
-1
hPa
≤ 5 · 10
-2
hPa
≤ 2 · 10
-1
hPa
≤ 5 · 10
-2
hPa
Continuous inlet
pressure, max.
20 hPa
20 hPa
20 hPa
20 hPa
Leak rate safety
valve
≤ 8 · 10
-3
Pa m³/s
≤ 8 · 10
-3
Pa m³/s
≤ 8 · 10
-3
Pa m³/s
≤ 8 · 10
-3
Pa m³/s
Exhaust pressure,
max.
Atmospheric
pressure
Atmospheric
pressure
Atmospheric
pressure
Atmospheric
pressure
Exhaust pressure,
min.
Atmospheric
pressure
Atmospheric
pressure
Atmospheric
pressure
Atmospheric
pressure
Gas ballast
No
No
No
No
Rotation speed
min.
1150 rpm
1150 rpm
1150 rpm
1150 rpm
Technical data and dimensions
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