Pfeiffer Vacuum DUO 3, Руководство по эксплуатации

Страница: 53 / 62

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
53/62