Pfeiffer Vacuum OKTA 2000 ATEX, Operating Instructions Manual

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14 Technical data and dimensions
14.1 General
Basis for the technical data of Pfeiffer Vacuum roots pumps
● Specifications according to PNEUROP committee PN5
● ISO 21360-1: 2016 “Vacuum technology - Standard methods for measuring vacuum-pump per-
formance - General description”
● Leak test to ascertain the integral leakage rate according to EN 1779: 1999 technique A1; with
100 % helium concentration, 10 s measurement duration
● Sound pressure level: distance to vacuum pump 1 m
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. 20: 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. 21: Conversion table: Units for gas throughput
Special versions
The technical data and dimensions for the vacuum pump refer to the specified standard
version.
● For deviations in special versions, please refer to the rating plates or the enclosed in-
formation.
14.2 Technical data
Type designation Okta 2000 ATEX Okta 2000 ATEX
Connection flange (in) DN 150 PN 16 DN 150 PN 16
Connection flange (out) DN 100 PN 16 DN 100 PN 16
Nominal pumping speed 1 075 – 2 585 m³/h 1 075 – 2 585 m³/h
Nominal pumping speed at 50 Hz 2155 m³/h 2155 m³/h
Nominal pumping speed at 60 Hz 2585 m³/h 2585 m³/h
Nominal pumping speed min. 1075 m³/h 1075 m³/h
Nominal pumping speed max. 2585 m³/h 2585 m³/h
Input voltage 50 Hz 230 / 400 V 230 / 400 V
Input voltage 60 Hz 265 / 460 V 265 / 460 V
Input voltage: tolerance ±5 % ±5 %
Rated power 50 Hz 5.5 kW 5.5 kW
Technical data and dimensions
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