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Pfeiffer Vacuum+Fab Solutions · COMBI RU

COMBI RU 3404

Data coverage & sourcesCompare this modelAsk about this model
Central Vacuum SystemsOEM data8 values carry a verification flag
Pfeiffer Vacuum+Fab Solutions COMBI RU 3404

Image: Pfeiffer Vacuum+Fab Solutions

Ultimate pressure
0.005 mbar
Noise level
85 dB(A)
Weight
1,000 kg

Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.

Technical data

Source: Pfeiffer Vacuum+Fab Solutions product page · retrieved 2026-10-02
As publishedISO 50 HzISO 50 Hz; at 1 hPa(mbar)ISO 50 Hz; with gas ballast valveISO 50 Hz; (ISO 2151) at 1 hPa(mbar)ISO 50 Hz; approx.ISO 60 HzISO 60 Hz; with gas ballast valveISO 60 Hz; (ISO 2151) at 1 hPa(mbar)ISO 60 Hz; approx.
Vacuum booster
HiLobe 4504
oem source
Source · 2026-10-02
HiLobe 4504
oem source
Source · 2026-10-02
Backing pump
R5 RA 0520 A
oem source
Source · 2026-10-02
R5 RA 0520 A
oem source
Source · 2026-10-02
Pumping speed at 1 hPa(mbar)
Pumping speed
3010 m³/h m³/h
oem source
Source · 2026-10-02
Ultimate pressure
5 · 10⁻³ hPa (mbar) hPa (mbar)
oem source
Source · 2026-10-02
5 · 10⁻³ hPa (mbar) hPa (mbar)
oem source
Source · 2026-10-02
Ultimate pressure with gas ballast valve
Ultimate pressure
2 · 10⁻² hPa (mbar) hPa (mbar)
oem source
Source · 2026-10-02
2 · 10⁻² hPa (mbar) hPa (mbar)
oem source
Source · 2026-10-02
Max. power consumption
19 kW kW
oem verified
Source · 2026-10-02
19 kW kW
oem verified
Source · 2026-10-02
Input voltage
400 V AC (±10%), 50 Hz V AC (±10%), 50 Hz
oem verified
Source · 2026-10-02
400 V AC (±10%), 50 Hz V AC (±10%), 50 Hz
oem verified
Source · 2026-10-02
Noise level (ISO 2151) at 1 hPa(mbar)
Noise level
≤85 dB(A) dB(A)
oem verified
Source · 2026-10-02
≤85 dB(A) dB(A)
oem verified
Source · 2026-10-02
Weight approx.
Weight
1000 kg kg
oem verified
Source · 2026-10-02
1000 kg kg
oem verified
Source · 2026-10-02
Gas inlet
Inlet connection
DN 160 ISO-F/PN 16
oem source
Source · 2026-10-02
DN 160 ISO-F/PN 16
oem source
Source · 2026-10-02
Gas outlet
Outlet connection
DN 100 ISO-K
oem source
Source · 2026-10-02
DN 100 ISO-K
oem source
Source · 2026-10-02

Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.

Same family: COMBI RU 1002, COMBI RU 1052, COMBI RU 1102, COMBI RU 1152, COMBI RU 1454, COMBI RU 1604, COMBI RU 1654, COMBI RU 1754, COMBI RU 2004, COMBI RU 2204, COMBI RU 2304, COMBI RU 2954, COMBI RU 3554, COMBI RU 4704

Reviewed operating performance · 60 Hz

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Pfeiffer Vacuum+Fab Solutions COMBI RU 3404 | Vac & Air