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. 14:
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. 15:
Conversion table: Units for gas throughput
14.2 Substances in contact with the media
Pump parts
Substances in contact with the media
Housing
Aluminium
Inlet/exhaust flange
Stainless steel
Sight glass
Synthetic
Stator/stator flange
Cast iron
Rotor
Cast iron (nodular graphite cast iron)
Magnetic coupling
Steel, nickel-coated magnets
Containment shell
Synthetic
Vane
Artificial resin compound, polymer
Exhaust valve
Stainless steel
Vacuum safety valve
Aluminum, steel, synthetic, FKM
Gas ballast valve
Aluminum, stainless steel, steel, FKM
Screws
Galvanized steel, stainless steel
Seals
FKM (alternative seals upon request)
Tbl. 16:
Materials that make contact with the process media
Technical data and dimensions
54/58
