Leybold · SOGEVAC B Single-stage rotary vane vacuum pumps

SV 320 B

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Oil-Lubricated Rotary VaneOEM data

*Photo shows another model from the Leybold Oil-Lubricated Rotary Vane range, not this exact model. Image: Leybold

Pumping speed: 330 m³/h
Ultimate pressure: 0.08 mbar
Noise level: 73 dB(A)
Weight: 225 kg

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

Technical data

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

As published	50 Hz; 50 Hz	60 Hz; 60 Hz	without gas ballast	50 Hz; gas ballast std 50 Hz	60 Hz; gas ballast std 60 Hz	50 Hz; 50 Hz 3ph-1ph	60 Hz; 60 Hz 3ph-1ph	50 Hz	60 Hz	(min-max)	Net mass	Value
Pumping speed 50 Hz Pumping speed	284 m³/h oem source Source · 2026-10-01
Pumping speed 60 Hz Pumping speed		330 m³/h oem source Source · 2026-10-01
Ultimate total pressure without gas ballast Ultimate pressure			0,08 mbar oem source Source · 2026-10-01
Water vapor tolerance gas ballast std 50 Hz Water vapour tolerance				10/40 /40 mbar oem source Source · 2026-10-01
Water vapor tolerance gas ballast std 60 Hz Water vapour tolerance					12/50 /50 mbar oem source Source · 2026-10-01
Water vapor capacity gas ballast std 50 Hz Water vapour tolerance				1,5/7,0 /7,0 l/h oem source Source · 2026-10-01
Water vapor capacity gas ballast std 60 Hz Water vapour tolerance					1,8/9,5 /9,5 l/h oem source Source · 2026-10-01
Nominal motor power 50 Hz Motor power	6-7,5 kW^R Needs review · excluded from comparison Source · 2026-10-01
Nominal motor power 60 Hz Motor power		7,2-7,5 kW^R Needs review · excluded from comparison Source · 2026-10-01
Noise level 50 Hz 3ph-1ph Noise level						70 dB(A) oem source Source · 2026-10-01
Noise level 60 Hz 3ph-1ph Noise level							73 dB(A) oem source Source · 2026-10-01
Rotor speed 50 Hz								1500 rpm oem source Source · 2026-10-01
Rotor speed 60 Hz									1800 rpm oem source Source · 2026-10-01
Oil capacity (min-max) Oil capacity										8,5-11,5 l^R Needs review · excluded from comparison Source · 2026-10-01
Weight Net mass Weight											225 kg oem source Source · 2026-10-01
Flange												G 2 NPT 2 oem source Source · 2026-10-01