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Busch · DOLPHIN LA 3809/5109 A

DOLPHIN LA 3809 A

Data coverage & sourcesCompare this modelAsk about this model
Liquid RingOEM data12 values carry a verification flag
Busch DOLPHIN LA 3809 A

Image: Busch

Pumping speed
3,400 m³/h
Ultimate pressure
130 mbar
Noise level
85 dB(A)
Weight
2,030 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 publishedISO 50 HzISO 50 Hz; (ISO 3744), 1 m distance, at medium loadISO 50 Hz; approx.ISO 50 Hz; (L x W x H)ISO 60 HzISO 60 Hz; (ISO 3744), 1 m distance, at medium loadISO 60 Hz; approx.ISO 60 Hz; (L x W x H)US 60 HzUS 60 Hz; (ISO 3744), 1 m distance, at medium loadUS 60 Hz; approx.US 60 Hz; (L x W x H)
Nominal pumping speed
Pumping speed
2600 – 3600 m³/h m³/hR
Needs review · excluded from comparison
Source · 2026-10-01
3400 – 3800 m³/h m³/hR
Needs review · excluded from comparison
Source · 2026-10-01
2001.1 ACFM ACFM
oem verified
Source · 2026-10-01
Ultimate pressure
130 hPa (mbar) hPa (mbar)
oem verified
Source · 2026-10-01
130 hPa (mbar) hPa (mbar)
oem verified
Source · 2026-10-01
97.5 Torr Torr
oem source
Source · 2026-10-01
Max. overpressure
2 bar(g) bar(g)
oem source
Source · 2026-10-01
2 bar(g) bar(g)
oem source
Source · 2026-10-01
Nominal motor rating
Motor power
75 – 110 kW kWR
Needs review · excluded from comparison
Source · 2026-10-01
90 – 132 kW kWR
Needs review · excluded from comparison
Source · 2026-10-01
120 – 177 hp hpR
Needs review · excluded from comparison
Source · 2026-10-01
Nominal motor speed
Speed
465 – 650 min⁻¹ min⁻¹R
Needs review · excluded from comparison
Source · 2026-10-01
600 – 700 min⁻¹ min⁻¹R
Needs review · excluded from comparison
Source · 2026-10-01
700 rpm rpm
oem source
Source · 2026-10-01
Sound pressure level (ISO 3744), 1 m distance, at medium load
Noise level
85 dB(A) dB(A)
oem source
Source · 2026-10-01
85 dB(A) dB(A)
oem source
Source · 2026-10-01
85 dB(A) dB(A)
oem source
Source · 2026-10-01
Weight approx.
Weight
2030 kg kg
oem verified
Source · 2026-10-01
2030 kg kg
oem verified
Source · 2026-10-01
4475 Lbs. Lbs.
oem verified
Source · 2026-10-01
Dimensions (L x W x H)
Dimensions
1665 x 800 x 1400 mm mm
oem source
Source · 2026-10-01
1665 x 800 x 1400 mm mm
oem source
Source · 2026-10-01
65.6 x 31.5 x 55.1 inches inches
oem source
Source · 2026-10-01
Gas inlet
Inlet connection
DN 250 PN 10
oem source
Source · 2026-10-01
DN 250 PN 10
oem source
Source · 2026-10-01
10" "
oem verified
Source · 2026-10-01
Gas outlet
Outlet connection
DN 250 PN 10
oem source
Source · 2026-10-01
DN 250 PN 10
oem source
Source · 2026-10-01
10" "
oem verified
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.

R a min–max range as published, not a single rating

Same family: DOLPHIN LA 5109 A

Reviewed operating performance · 60 Hz

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