1. No category

A PASSION FOR PERFECTION
Okta 18000
Roots pump with a pumping speed of 7310 to
27400 m3/h:
Vacuum Generation / Roots Pumps / Convection cooled
Okta 18000, Roots pump, 400/690 V, 50 Hz; 460 V, 60 Hz
High-performance Roots pump with a pumping speed of 7310 to 27400 m3/h
For mains voltage: 400 V, 50 Hz respectively 460 V, 60 Hz
No thermal overload thanks to integral overflow valve
For applications in the low and medium vacuum
Okta = Standard pumps with radial shaft sealing rings, housing parts made of gray cast
iron or nodular graphite cast iron, flange connection in accordance with ISO-F
Dimensions
A
B
C
D
DN 1
DN 2
DN 3
www.pfeiffer-vacuum.com
2789 mm
1090 mm
1099 mm
960 mm
DN 400 PN 10
DN 400 PN 10
DN 320 ISO-F
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Vacuum Generation / Roots Pumps / Convection cooled
Technical Data
Okta 18000, Roots pump, 400/690 V, 50 Hz;
460 V, 60 Hz
Ambient temperature
Cooling method, standard
Differential pressure at the overflow valve
Emission sound pressure level (EN ISO 2151)
at intake pressure 10 hPa
Emission sound pressure level (EN ISO 2151)
at intake pressure 1 hPa
Flange (in)
Flange (out)
Leak rate
5-40 °C | 41-104 °F | 278-313 K
Air
7 hPa | 5.25 Torr | 7 mbar
79 dB (A)
Mains requirement: voltage 50 Hz
Mains requirement: voltage 60 Hz
Motor protection
Nominal pumping speed
Nominal pumping speed at 50 Hz
Nominal pumping speed at 60 Hz
Nominal rotation speed at 50 Hz
Nominal rotation speed at 60 Hz
Operating fluid
Operating fluid filling
Protection category
Rated power 50 Hz
Rated power 60 Hz
Rotation speed
Rotation speed max.
Rotation speed min.
Version
Weight: with motor
75 dB (A)
DN 400 PN 10
DN 400 PN 10
1 · 10-3 Pa m3/s | 7.5 · 10-3 Torr l/s |
1 · 10-2 mbar l/s
400/690 V
460 V
3TF
7310-27400 m3/h
18270 m3/h
21925 m3/h
1500 min-1
1800 min-1
P3
68 l
IP 55
45 kW
52 kW
from 1200 to 2250 min-1
2250 min-1
1200 min-1
Standard with motor
3,100 kg | 6,834.26 lb
Order number
Okta 18000
PP W90 000
Accessories
Consumables
P3, mineral oil, 1 l
P3, mineral oil, 5 l
P3, mineral oil, 20 l
www.pfeiffer-vacuum.com
PK 001 106 -T
PK 001 107 -T
PK 001 108 -T
Page 3
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www.pfeiffer-vacuum.com
All data subject to change without prior notice. (11/07/2014)
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