Busch · SAMOS SI 0045–0150 E1

SAMOS SI 0045 E1

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Regenerative / Side ChannelOil-freeOEM data12 values carry a verification flag

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Pumping speed: 47.9 m³/h
Max. vacuum: -120 mbar
Noise level: 60 dB(A)
Weight: 6.99 kg

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

Technical data

Source: Busch product page · retrieved 2026-10-01

As published	ISO 50 Hz	ISO 50 Hz; /volume flow	ISO 50 Hz; (vacuum version)	ISO 50 Hz; (overpressure version)	ISO 50 Hz; (ISO 3744)	ISO 50 Hz; approx.	ISO 50 Hz; (L x W x H)	ISO 60 Hz	ISO 60 Hz; /volume flow	ISO 60 Hz; (vacuum version)	ISO 60 Hz; (overpressure version)	ISO 60 Hz; (ISO 3744)	ISO 60 Hz; approx.	ISO 60 Hz; (L x W x H)	US 60 Hz; /volume flow	US 60 Hz; (vacuum version)	US 60 Hz; (overpressure version)	US 60 Hz	US 60 Hz; (ISO 3744)	US 60 Hz; approx.	US 60 Hz; (L x W x H)
Technology short name	Side channel oem source Source · 2026-10-01							Side channel oem source Source · 2026-10-01
Nominal pumping speed/volume flow Pumping speed		40 m³/h m³/h oem source Source · 2026-10-01							48 m³/h m³/h oem verified Source · 2026-10-01						28.2 ACFM ACFM oem verified Source · 2026-10-01
Max. differential pressure (vacuum version) Max. vacuum			-90 hPa (mbar) hPa (mbar) oem source Source · 2026-10-01							-120 hPa (mbar) hPa (mbar) oem source Source · 2026-10-01						-90 TORR TORR oem source Source · 2026-10-01
Max. differential pressure (overpressure version) Max. vacuum				+90 hPa (mbar) oem source Source · 2026-10-01							+130 hPa (mbar) oem source Source · 2026-10-01						97.5 TORR TORR oem source Source · 2026-10-01
Max. operating power	0.2 kW kW oem verified Source · 2026-10-01							0.2 kW kW oem verified Source · 2026-10-01										0.3 hp hp oem verified Source · 2026-10-01
Nominal motor speed Speed	3000 min⁻¹ min⁻¹ oem source Source · 2026-10-01							3600 min⁻¹ min⁻¹ oem verified Source · 2026-10-01										3600 RPM RPM oem verified Source · 2026-10-01
Noise level (ISO 3744) Noise level					57 dB(A) dB(A) oem source Source · 2026-10-01							60 dB(A) dB(A) oem verified Source · 2026-10-01							60 dB(A) dB(A) oem verified Source · 2026-10-01
Weight approx. Weight						7 kg kg oem verified Source · 2026-10-01							7 kg kg oem verified Source · 2026-10-01							15.4 Lbs. Lbs. oem verified Source · 2026-10-01
Dimensions (L x W x H) Dimensions							216 x 198 x 209 mm mm oem source Source · 2026-10-01							216 x 198 x 209 mm mm oem source Source · 2026-10-01							8.5 x 7.8 x 8.2 inches inches oem source Source · 2026-10-01
Gas inlet Inlet connection	G 1" oem source Source · 2026-10-01							G 1" oem source Source · 2026-10-01										G 1" oem source Source · 2026-10-01
Gas outlet Outlet connection	G 1" oem source Source · 2026-10-01							G 1" oem source Source · 2026-10-01										G 1" oem source Source · 2026-10-01

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

Same family: SAMOS SI 0090 E1, SAMOS SI 0150 E1

Explore the parts

SAMOS SI 0045 E1, pulled apart

This model’s parts, by where they sit

Our drawing of the machine type, with the SAMOS SI 0045 E1's own parts from Busch's lists. Side view along the shaft: the impeller runs in the open channel of the housing, closed by the cover.