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. 11:
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. 12:
Conversion table: Units for gas throughput
14.2 Substances in contact with the media
Pump parts
Substances in contact with the media
Standard
M version
MC version
Housing
Aluminum
X
X
X
Inlet/exhaust flange
Stainless steel
X
X
X
Sight glass
Float glass
X
X
X
Stator/stator flange
Cast iron
X
X
X
Rotor
Cast iron (nodular graphite cast iron)
X
X
X
Coupling system
Steel
X
-
-
Magnetic coupling
Steel, nickel-coated magnets
-
X
X
Vane
Artificial resin compound, polymer
X
X
-
Composite material, polymer
-
-
X
Exhaust valve
Stainless steel
X
X
X
Vacuum safety valve
Aluminum, FKM, steel
X
X
X
Screws
Galvanized steel, stainless steel
X
X
X
Seals
FPM
X
X
X
Technical data and dimensions
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