A product page that says "with vacuum cleaner" tells you the machine has a suction function. It does not tell you what that function is meant to do on your site, how long it runs, or what you have to maintain. Buyers who ask for the published specification and get only the marketing sentence end up comparing machines on words rather than on numbers — and then discover during commissioning that the vacuum line was never planned.
Steam-cleaner machines with a vacuum function are a real product group at Shenzhen PowerDe Automation Precision Equipment. The Fixed Steam Cleaning Machine PowerDe HW02 page, for example, lists dry steam, wet steam and a vacuum cleaner as the machine's cleaning modes, alongside published figures for heating power, steam temperature, vapour pressure, tank volume and overall dimensions. That page is a good model of what a usable specification looks like. The steps below show how to read any vendor's specification the same way, and what to ask for when a number is missing.
Read what is actually on the page, and separate it from what is implied
Take the HW02 page as the reference case. The published parameters on that page state the model and working voltage (PowerDe HW02, 220 V), heating power of 6 kW, a steam temperature of 160 °C, a vapour pressure of 0.8 MPa, an 80 L SUS304 tank, a tap-water inlet with a 4-point internal-tooth joint (1/2 inch), the dry-steam, wet-steam and vacuum-cleaner modes, and overall dimensions of 1,200 × 800 × 1,200 mm including handles. The description also names the intended use — vehicle exterior cleaning at gas stations and parking lots, interior vacuuming and disinfection, and engine-compartment cleaning — and lists leakage, short-circuit, high-temperature, high-voltage and water-shortage protection.
Notice which of those are measured values and which are feature statements. Heating power, steam temperature, vapour pressure, tank volume, inlet size and dimensions are numbers you can check against your own site conditions. "Dry steam, wet steam and vacuum cleaner" is a mode list: it tells you the machine has three working modes, but the page does not attach a suction figure, a motor rating, or a canister capacity to the vacuum mode. A careful buyer records the numbers that exist, marks the mode list as unquantified, and asks for the missing figures in writing before signing anything.
Check the numbers against your own site conditions
A published specification is only useful once you compare each line with what your facility can actually supply. For a machine on the scale of the HW02, that comparison is short but specific:
- Power. A 6 kW heater on a 220 V supply is a dedicated circuit decision, not a plug-and-socket decision. Confirm the supply voltage, phase and protective-earth arrangement at your site against the machine's rating, and check the breaker rating the supplier recommends.
- Water. A 80 L tank and a tap-water inlet mean you need a water point with the matching fitting, and a drain or a route for waste water near the working area. Record the inlet thread size on the same sheet as your plumbing drawing.
- Heat and vapour. 160 °C steam at 0.8 MPa is a scalding and pressure hazard that your operating procedure has to address — gloves, face protection, a rule about never pointing the lance at people, and a cooling-down step before any maintenance.
- Space. 1,200 × 800 × 1,200 mm including handles is a footprint you can lay on your floor plan. Add clearance for the hose and wand, and for the vacuum hose if one is fitted.
If any line of the specification cannot be matched to a facility condition, that is a gap to resolve with the supplier — not something to hope will work out. When the machine is part of a wider cleaning plan, the PowerDe cleaning equipment category lists the whole range, including mobile and hand-pushed models, so you can compare a fixed installation with a portable unit on the same sheet.
Ask what the vacuum function is specified to do
This is the question most buyers skip. In the combination of steam and vacuum, the vacuum function normally serves two jobs: recovering the water and loosened soil that the steam has lifted off the surface, and dry-suction of loose debris before the steam step. Both matter, but they are different duties, and a machine built for one is not automatically good at the other.
Ask the supplier to state, for the model you are buying:
- Whether the vacuum runs continuously during steam cleaning, or only as a separate dry-suction mode.
- The motor rating and, if available, the suction performance figure the manufacturer publishes for that machine.
- The capacity of the recovery tank or canister, and how it is emptied and cleaned.
- Whether the vacuum can handle the hot, wet mixture that steam cleaning produces, or only dry matter.
- Which consumables and wear parts belong to the vacuum circuit — filters, seals, hoses — and where they are sourced.
A supplier who answers those five questions with numbers has a specification you can verify. A supplier who repeats the phrase "with vacuum cleaner" has not given you one.
Compare like for like across the range
Once you have one complete specification in front of you, comparison gets quick. PowerDe's cleaning range splits into fixed, driving-style and hand-pushed machines, and the published pages show the trade-offs plainly. The fixed machines are mains-powered, high-output units for a defined working area. The driving-style models — PowerDe PWD02 steam cleaner and the related PWD01 and HMW2 listings — are mobile active-water machines with dry-steam, wet-steam and hot-water modes for indoor garages and narrow outdoor parking spaces, each sold in battery and battery-free variants.
Hand-pushed models point at a different duty. The Hand Pushed Steam Cleaning Machine PowerDe HMW3 page publishes a 4.5 kW PTC semiconductor heater, a 50 L clean-water tank, dry- and wet-steam modes, a 48 V battery working supply, and dimensions of L1150 × W520 × H1030 mm, and states that the machine is used for cleaning and disinfecting hospital beds and medical machinery. It also notes that some figures — steam temperature and pressure, battery capacity and runtime, weight, noise and water consumption per hour — are not published on the page. That is exactly the situation to handle with a written request rather than an assumption.
Reading the pages this way does two things: it keeps your comparison honest, and it shows which supplier pages are mature enough to answer questions before you ask them.
Red flags in a published specification
- Mode names without values. "Dry steam, wet steam, vacuum" with no temperature, pressure, power or capacity anywhere is a feature list, not a specification.
- Figures that contradict the rest of the page — a tank volume that conflicts with the runtime claim, or a heating power that cannot produce the stated steam temperature.
- Protection features described in prose with no electrical rating to attach them to.
- Model names that change between the category page and the detail page; treat both wordings as one query and get the correct designation in writing.
- No dimension or weight figure for a machine you have to place on a floor plan.
Every one of these is resolvable before order confirmation. The cost of asking is one email; the cost of not asking is a machine that cannot be commissioned.
What to have in writing before you order
- Model designation exactly as the factory will name it on the machine and the documents.
- Electrical: working voltage, phase, heating power, recommended protection device.
- Steam: temperature, pressure, mode definitions, and the safety measures required for those figures.
- Water: tank volume and material, inlet fitting size, water source requirements, waste-water handling.
- Vacuum: mode of operation, motor rating and published suction figure, recovery capacity, what it may and may not suck up.
- Physical: dimensions including handles, weight, hose and wand reach, footprint on your layout.
- Wear parts and consumables for the steam and vacuum circuits, with the service contact named in the contract.
If the specification is not published, ask for it with the configuration
Where a page leaves the vacuum details open, treat that as part of the configuration conversation. PowerDe lists customized steam cleaning equipment under its Solutions programme, so options that do not appear on a standard product page can be specified and quoted as part of the build, with the figures returned on a written utility and performance sheet.
Send the checklist above with your site conditions — supply, water point, working area, vehicle or equipment types you clean — and ask for the missing numbers against your own duty. If you want that written confirmation from Shenzhen PowerDe Automation Precision Equipment, contact them on sales@powerde.net or +86 13023198376.
