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PP W31 001
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Okta 500, roots vacuum pump, without motor
Order number: PP W31 001

  • High-performance roots vacuum pump with a pumping speed of 280 to 840 m3/h
  • Without motor (coupling and motor lantern are included in delivery)
  • No thermal overload thanks to integral overflow valve
  • For applications in the low and medium vacuum range
Ambient temperature 5-40 °C | 41-104 °F | 278-313 K
Cooling method, standard Air
Differential pressure at the overflow valve 75 hPa | 56.25 Torr | 75 mbar
Differential pressure max. 75 hPa
Dimensions (L x W x H) 629 x 333 x 337 mm | 24.76 x 13.11 x 13.27 inch
Emission sound pressure level (EN ISO 2151) at intake pressure 10 hPa 75 dB(A)
Emission sound pressure level (EN ISO 2151) at intake pressure 1 hPa 70 dB(A)
Flange (in) DN 100 ISO-F
Flange (out) DN 100 ISO-F
Leak rate 1 · 10-3 Pa m3/s | 7.5 · 10-3 Torr l/s | 1 · 10-2 mbar l/s
Nominal pumping speed 280-840 m³/h | 164.81-494.42 cfm | 4,666.67-14,000 l/min
Nominal pumping speed at 50 Hz 560 m³/h | 329.62 cfm | 9,333.33 l/min
Nominal pumping speed at 60 Hz 670 m³/h | 394.36 cfm | 11,166.67 l/min
Nominal pumping speed max. 840 m³/h | 494.42 cfm | 14,000 l/min
Nominal pumping speed min. 280 m³/h | 164.81 cfm | 4,666.67 l/min
Nominal rotation speed at 50 Hz 3,000 rpm | 3,000 min-1
Nominal rotation speed at 60 Hz 3,600 rpm | 3,600 min-1
Operating fluid P3
Operating fluid filling 1.5 l
Protection category IP55
Rotation speed 1,500-4,500 rpm | 1,500-4,500 min-1
Version Standard without motor
Weight: without motor 115 kg | 253.53 lb

Dimension-TIM-RS

B
352 mm
C
337 mm
D
183 mm

Characteristic-TIM-RS-1

Consumable

P3, mineral oil, 1 l PK 001 106 -T
File Type Language Date Filesize
Data sheet PDF EN 10-17-2019 ~ 370.1 KB
File Type Language Date Filesize
Operating instructions Okta 250/Okta 250 M/Okta 500/Okta 500 M (PP0071BEN_V) PDF EN 05-25-2016 ~ 2.4 MB
Operating instructions OktaLine - Roots Pumps without Motor (PW0323BEN_A) PDF EN 12-13-2018 ~ 255.7 KB
Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

+1 (800) 248-8254
+1 (888) 658-7983
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