| Where it fits | Still water, RO water, mineral water |
| Valve type | Gravity or volumetric valve |
| Capacity range | 5,000-48,000 BPH at 500 ml |
| Format range | 200 ml to 16 L, by configuration |
| Wetted parts | SUS 304 product contact, CIP-ready |
| Line scope | Treatment, blowing, filling, capping, labelling, packing |
Raw water, neck finish and the filler-capper match decide more about a water line than its BPH. BPH takes the meeting; the neck finish and the capper match get the last five minutes. Change the thread by a millimetre and the rinser clamp and capping head have to change with it.
Star wheels, guide rails, grippers, cap chute and filling recipe all change with the format. The parts are not the cost; the time is. Two formats on one line typically cost 40-90 minutes per switch, which is why the production factor falls from about 0.85 to 0.70 and why a second small line is sometimes cheaper than one flexible line.
| Filling principle | Best for | Watch out for |
|---|---|---|
| Gravity | Still water, one rigid bottle size | Thin-wall bottles deform under head pressure |
| Volumetric valve | 3-15 L and mixed formats | Valve wear shows as slow drift, not a sudden error |
| Isobaric | Carbonated water only | Needs counter-pressure, so slower per valve |
| Load cell | Oil and high-value liquid | Slower cycle, higher cost per valve |
Sizing for this duty runs through the Blow-fill-cap Combibloc for Still Water, where the valve count is set out.
Ask for the rated capacity of the slowest station, the changeover checklist, the CIP cycle time, and the water and power consumption per 1,000 bottles. Those four numbers decide the real cost per bottle. A quotation that lists only the filler capacity and a total price leaves the buyer comparing incomparable offers.
Throughput and change-part lists are on the Gravity Filling Machine for Still Water page rather than in this note.
Above 2 L the fill time per valve grows faster than the valve count, so capacity per valve falls and the conveyor has to carry more mass. Handles, cap size and bottle rigidity also change. A 5 L line is usually specified around that format rather than shared with a 500 ml line.
The same question is worked through from another angle in How to Design an Efficient Water Filling Line Layout.
A lighter bottle is less rigid, so it deforms more under the filling head and grips differently in the star wheels. The filler may need a different neck handling and a lower contact pressure. Lightweighting is a bottle project that reaches into the filling line.
Yes, with change parts: star wheels, guide rails, grippers and a filling recipe. Budget 40-90 minutes per switch and expect the production factor to drop from about 0.85 to 0.70.
It follows the raw water analysis, not a standard package. Surface water usually needs multi-media filtration, RO and UV or ozone. Low-hardness municipal water may need only carbon filtration and disinfection.
Gravity holds a fill level, so accuracy depends on bottle geometry. A volumetric filler measures a chamber volume, which keeps it accurate when the format changes. For one rigid bottle size, gravity is enough; for 3-10 L or mixed formats, volumetric is safer.
It depends on whether blowing, packing and palletizing sit in the same hall. Fix the footprint by drawing the layout at 1:100 with conveyor radii included, then check the turning radius of the largest format.
Not on the same filler. Carbonation needs isobaric valves, a CO2 dosing and mixing unit, and a different bowl. A combiblock can carry both valve sets, but they are separate specifications, not a field conversion.
Country: Maldives
Product: PET Bottled Mineralized Water
Capacity: 24,000BPH (500ml); 2 Lines
Solution:Water Production Line
Country:Kazakhstan
Product: PET Bottled Sparkling Water, Canned Soft Drink, Canned Tea
Capacity: 25000CPH (250ml)
Solution:Three Lines,7000BPH(1.5L), 15000CPH(330ml),15000CPH(450ml)
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