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PP W33 450
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Okta 500 ATEX, Roots pump, 230/400 V, 50 Hz | 265/460 V, 60 Hz | Ex II 2/2G Ex h IIB T3 Gb X +5 °C ≤ Ta ≤ +40 °C
Order number: PP W33 450

  • High–performance Roots pump with a pumping speed of 280 to 670 m3/h
  • PTFE overflow-valve (Δp = 53 hPa)
  • For operation with frequency converter or switch–on at a defined backing pressure, i. e. for continuous processes
  • With 3-phase motor II 2G Ex de IIC T4
  • Pumps are hermetically sealed (leak rate <1 · 10-6 Pa m3/s) – risk of zone entrainment is minimized
  • Pressure surge resistance according to EN 1333, PN level 16
  • Explosion safety due to reliable construction and temperature monitoring – installation without additional flame arrester possible
  • Note: For the operation of the pumps, the terms of the operating instructions apply. We are pleased to provide you with the right solution for your application!
  • Working conditions: Pump is inside and outside suitable for operation in equipment class II, equipment category 2 (G) for gases and vapors of explosion class IIA and IIB, temperature class T3 according directive 2014/34/EU
Ambient temperature 5-40 °C | 41-104 °F | 278-313 K
Cooling method, standard Air
Differential pressure max. 53 hPa
Dimensions (L x W x H) 1,000 x 360 x 330 mm | 39.37 x 14.17 x 12.99 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 PN 16
Flange (out) DN 100 PN 16
Leak rate < 1 · 10-6 Pa m3/s | < 7.5 · 10-6 Torr l/s | < 1 · 10-5 mbar l/s
Mains requirement: voltage 50 Hz 230/400 V
Mains requirement: voltage 60 Hz 265/460 V
Motor protection 3TF
Nominal pumping speed 280-670 m³/h | 164.81-394.36 cfm | 4,666.67-11,166.67 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. 670 m³/h | 394.36 cfm | 11,166.67 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
Rated power 50 Hz 1.5 kW
Rated power 60 Hz 1.8 kW
Rotation speed 1,500-3,600 rpm | 1,500-3,600 min-1
Version Ex II 2/2G Ex h IIB T3 Gb X +5 °C ≤ Ta ≤ +40 °C with motor, magnetic coupling and overflow-valve
Voltage: Range ±5 %
Weight: with motor 170 kg | 374.78 lb

Dimension-TIM-RS

A
1000 mm
B
382 mm
C
330 mm
D
210 mm

Characteristic-TIM-RS-1

File Type Language Date Filesize
Data sheet PDF EN 11-12-2019 ~ 479.5 KB
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Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

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