Rotary screw

KOBELION VS IV oil-injected screw compressors — Kobelco Compressors Manufacturing (Shanghai)

KOBELION VS IV oil-injected screw compressors · Kobelco Compressors Manufacturing (Shanghai)

KOBELION VS IV oil-injected screw compressors — official catalog illustration
KOBELION VS IV oil-injected screw compressors — manufacturer catalog illustration

Datasheet

Product overview

Power: 22–75 kW · VS IV range · Pressure: 0.4–0.8 MPa table points · selected variant · Flow: VS22: 4.22 m³/min at 0.7 MPa

KOBELION VS IV is an oil-injected screw range with directly integrated IPM drive, an oil-cooling jacket and variable-speed control. The source describes pressure-dependent delivery gains; this does not establish a fixed saving for a new duty. Its IE4-equivalent comparison includes a qualification concerning the dedicated drive's IEC motor specification scope.

VS22A IV is listed at 22 kW and 4.72/4.72/4.22/3.94 m³/min at 0.4/0.5/0.7/0.8 MPa respectively, with maximum pressure 0.85 MPa, mass 560 kg and 1,250 × 850 × 1,500 mm dimensions. VS55A IV is listed at 55 kW and 11.8/11.4/10.9/10.0 m³/min at those pressure points, with mass 1,330 kg and 2,200 × 1,200 × 1,700 mm dimensions. Keep each delivery value tied to its pressure.

The source states 380 V/50 Hz/three-phase three-wire supply and flow converted to inlet conditions of 1 bar, 20°C and 0% RH. It directs sites above 1,000 m altitude to consultation. The detailed table also distinguishes normal and -H models; confirm the full suffix and duty sheet rather than applying a general control chart to an unspecified variant.

Provide required user pressure, demand profile, quality, site ambient/altitude, supply and cooling. Agree actual input/performance conditions, treatment and controls, service clearances, shop/site acceptance, manuals, commissioning and destination spares/support.

Catalog referenceKOBELCO-KOBELION
MachineRotary screw
Power22–75 kW · VS IV range
Working pressure0.4–0.8 MPa table points · selected variant
Published flowVS22: 4.22 m³/min at 0.7 MPa
Air quality—
DutyGeneral industry
SupplyNot specified
PlantKobelco Compressors Manufacturing (Shanghai)
VS22A IV power22 kW
VS22 delivery at 0.4 / 0.5 / 0.7 / 0.8 MPa4.72 / 4.72 / 4.22 / 3.94 m³/min
VS22 maximum pressure0.85 MPa
VS22 dimensions / mass1,250 × 850 × 1,500 mm / 560 kg
VS55A IV power55 kW
VS55 delivery at 0.4 / 0.5 / 0.7 / 0.8 MPa11.8 / 11.4 / 10.9 / 10.0 m³/min
VS55 dimensions / mass2,200 × 1,200 × 1,700 mm / 1,330 kg
Source inlet conditions1 bar; 20°C; 0% RH
Source supply380 V; 50 Hz; three phase, three wire
VariantConfirm full model and any -H suffix
SiteAbove 1,000 m altitude requires consultation

Plant

Kobelco Compressors Manufacturing (Shanghai)

Shanghai

The plant remains the seller. This desk issues the English duty sheet so quotes are comparable across clusters.

Specification pages

Specifying a Rotary screw duty

All spec pages
DutyWrite on the RFQ
Rotary screw compressor manufacturers in China China already has more screw-compressor storefronts than a buyer can audit. This desk lists manufacturing plants against a duty sheet — kW, bar(g), FAD — and routes one English RFQ.
Compressor for laser cutting Choose the air system from the laser maker's gas specification. The compressor motor rating and laser power do not, by themselves, determine the required pressure, flow or air quality. Identify whether the supply is for cutting assist gas, machine services or both before requesting a package.
Compressor for a textile factory Jet looms and spinning do not share a pressure. Write the machine OEM’s bar(g) and the hall FAD, then 50 Hz voltage for most Asian mills.

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Product information

Information reviewed 2026-10-08. Specifications apply only to the models and conditions stated.

KOBELCO-KOBELION: Voltage and frequency matter as much as bar. State both. Include the required operating conditions with your enquiry.

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