Centrifugal
United gear-driven oil-free centrifugal compressor enquiries — Shanghai United / SUNC Compressor (Hitachi JV)
United gear-driven oil-free centrifugal compressor enquiries · Shanghai United / SUNC Compressor (Hitachi JV)
Datasheet
Product overview
United gear-driven oil-free centrifugal compressor enquiries from Shanghai United / SUNC Compressor (Hitachi JV)
United's oil-free centrifugal product page describes gear-driven equipment with a horizontally split, multi-shaft H-layout gearbox. A low-speed gear drives high-speed shafts for the compression stages. This route is distinct from the manufacturer's separately listed YB/YC high-speed centrifugal technology; identify the exact construction and model in the offer.
The page describes high-speed shaft tilting-pad bearings, a combined radial/thrust arrangement on the low-speed side and horizontally split non-contact labyrinth seals. Oil and gas seals have a vented buffer space between them. These are manufacturer-described construction features, rather than a complete performance selection or an independent air-quality certificate for every configuration.
Submit inlet conditions, required pressure and air delivery, demand variation and operating schedule, power supply and cooling utilities. Request the selected operating map, minimum stable delivery, control and anti-surge/recycle strategy, and total package input across the cases. Agree how this machine operates with the rest of the station during low demand and transitions.
For procurement, obtain the model's air-quality evidence with its test scope, plus cooling/utility consumption, installation and lifting dimensions, maintenance access, control interfaces and acceptance records. Define the downstream dryer/filter requirement and measurement point separately. The original product image shows the catalogue equipment arrangement; the order's scope and current drawing determine included auxiliaries.
The manufacturer-posted TÜV NORD certificate lists UTC-40, UTC-60, UTC-90, UTC-150, UTC-300 and UTC-500 centrifugal types for Class 0 total oil content. Match the offered type to the applicable certificate and test records; this scope does not establish water, particle or microbiological quality at the completed installation.
| Catalog reference | UNITED-OILFREE-CENTRI |
|---|---|
| Machine | Centrifugal |
| Power | — |
| Working pressure | — |
| Published flow | — |
| Air quality | — |
| Duty | General industry |
| Supply | Not specified |
| Plant | Shanghai United / SUNC Compressor (Hitachi JV) |
| Architecture | Gear-driven multi-shaft centrifugal, horizontally split H-layout gearbox |
| Seals | Separate oil/gas labyrinth seals with vented buffer space, manufacturer description |
| Selection | Exact model, inlet conditions, discharge pressure and air-delivery basis required |
| Control | Operating map, stable range and anti-surge/recycle strategy to agree |
| Package boundary | Driver, cooling, auxiliaries, controls and treatment defined in offer |
Plant
Shanghai United / SUNC Compressor (Hitachi JV)
Shanghai
The plant remains the seller. This desk issues the English duty sheet so quotes are comparable across clusters.
Specification pages
Specifying a Centrifugal duty
| Duty | Write on the RFQ |
|---|---|
| Compressor for wastewater treatment | Most aeration trains want low-pressure blowers. If this RFQ is actually 7–8 bar plant air for valves and instruments, say so — it is a different machine from a maglev blower. |
| Centrifugal compressor manufacturers in China | Centrifugal machines are duty-built. A 250 kW “centrifugal compressor China” RFQ without gas, suction and discharge pressure cannot be quoted. |
Same type
Related Centrifugal products
Compare the published product information for each manufacturer.
| Catalog ref. | Type | Power | Pressure | Flow | Air quality | Plant | |
|---|---|---|---|---|---|---|---|
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|
Centrifugal | JE6000: 355–800 kW · configuration range | JE: 2.2–10.5 barG · select operating point | JE6000: 80–130 m³/min · reference basis to agree | — | Jintongling | RFQ |
 HANWHA-CENTRIHanwha SM / SM100 Pro centrifugal air compressor selections
|
Centrifugal | SM2100 150–335; SM3100 Pro 250–600 kW | SM2100 5.0–11.4 bar(A); Pro duty to select | SM2100 1400–3550; Pro 3300–5690 m³/h | — | Hanwha Power Shanghai — compressor sales and service | RFQ |
 TLINGTE-TITurbo-Tech Ti centrifugal air and nitrogen compressors
|
Centrifugal | Driver selected to duty | 0.06–1.60 MPa(G), family envelope | 1200–24000 Nm³/h, family envelope | — | Turbo-Tech | RFQ |
 HYTP-ISOTHERMAL-AIRHangyang single-shaft isothermal main-air compressors
|
Centrifugal | Motor or steam turbine;duty-specific | Selected main-air delivery duty | ASU scale below40,000 Nm³/h;not air flow | — | Hangyang Turbine | RFQ |
 IHI-SULLAIR-TXIHI-Sullair TX centrifugal air — 4–9 barg series selection
|
Centrifugal | TX series:150–425 kW | TX series:4–9 barg | Offered model flow/reference required | — | IHI-Sullair | RFQ |
 SHAANGU-EShaangu E horizontal-split process centrifugal compressors
|
Centrifugal | Selected train driver/input to agree | Actual gas operating envelope required | Project-specific flow/map and reference | — | Shaangu | RFQ |
UNITED-OILFREE-CENTRI: Voltage and frequency matter as much as bar. State both. Include the required operating conditions with your enquiry.
Issue RFQ