When buyers search a model number like dz800 or dz-1100, they usually already know they want a chamber vacuum packing machine from the DZ series — they just need to pick the right build. This guide walks through the three DZ builds we ship (double-chamber, continuous-rolling and four-seal), how chamber size and seal-bar length map to throughput, and which model fits a given volume. Start from the vacuum packing machine category or our general selection guide.
What the “DZ” prefix means
DZ is the model family for chamber vacuum packaging machines: the pouch sits on a seal bar inside a rigid chamber, the lid closes, air is evacuated to the set level, the bar seals the bag, and the chamber vents. Compared with external/snorkel sealers, a chamber machine handles liquids and gives a repeatable vacuum — which is why it is the default for real food production. The letters after “DZ” describe the chamber build and size.
Three DZ builds, three throughput bands
- Double chamber (e.g. DZ800/2SB) — two chambers share one vacuum system. While one chamber evacuates and seals, the operator loads the other, so the vacuum and seal system is rarely idle. See the DZ800/2SB double-chamber machine.
- Continuous rolling (e.g. DZ-1100) — belt-fed double-sealed rolling models for higher, steadier output. Two variants exist: the computer-controlled DZ-1100 and the double-sealed DZ-1100.
- Four-seal / nitrogen (e.g. DZ-4S) — four sealing bars plus customizable nitrogen flushing for modified-atmosphere packs. See the DZ-4S four-seal model.
For high-speed meat lines there is also the DZR high-speed beef vacuum packer.
Match the chamber build to your volume
A single-chamber machine makes the operator wait out the full evacuate–seal–vent cycle before reloading. A double-chamber build roughly doubles effective throughput for the same floor space, because loading and evacuating overlap. A continuous-rolling build goes further for steady, belt-fed lines. The practical rule: pick the smallest build whose cycle keeps up with your busiest hour, then size the chamber and seal bar to your largest pouch.
Chamber size, seal-bar length and film width
Three numbers decide whether a model fits your pack: chamber size (must clear your largest bag and product), seal-bar length (sets how many bags per cycle and the maximum bag width), and the film/web width the roll can take. We cover the relationship in our capacity and film-width calculation guide. Because DZ machines are built to order, exact chamber and seal-bar dimensions are confirmed in writing on the quotation once we know your pouch size and fill weight.
DZ models at a glance
For a one-table comparison of every model and its typical application, see our DZ model comparison.
Frequently asked
Is dz800 the same as DZ-800? Yes — “dz800”, “DZ-800” and “DZ 800” all refer to the DZ800 size within the DZ chamber family; “2SB” denotes the double-chamber build. Search engines and our own pages use both spellings, so we link them deliberately.
Which DZ build do I need for 500–1000 packs per hour? That depends on pouch size and target vacuum. A double-chamber DZ800/2SB often covers the lower end; a continuous-rolling DZ-1100 is the usual step up for steady belt-fed output. Send your pouch dimensions and we confirm the build.
Can a DZ machine flush nitrogen (MAP)? The DZ-4S four-seal model is built for nitrogen flushing; other builds can be specified with gas flushing on request. For a full MAP line see our vacuum packing line solution.
Request a quote
Tell us your pouch size, fill weight and target packs per hour and our 20-year export team will specify the right DZ build — request a quote.