The records below come from current manufacturer pages, manuals, and listing evidence checked on 2026-08-28. No cycle time, seal strength, noise, or durability figure on this page came from a Chamber Bench physical test.
What the manufacturer publishes
Scroll horizontally to see every column.
| Seal bar | 12 inVerified published recordWevac Technology Co., Limited source · Wevac Technology Co., Limited source |
|---|---|
| Chamber | Conflicting published values: 12.2" W x 13.0" D x 3.9" H / 12.4" W x 12.8" L x 3.8" HConflicting published recordWevac Technology Co., Limited source |
| Pump | 85 L/min (5,187 in³/min) pump flow rate; architecture not publishedVerified published recordWevac Technology Co., Limited source · Wevac Technology Co., Limited source |
| Power | 360 W at 120 V, 60 HzVerified published recordWevac Technology Co., Limited source |
| Weight | 29.4 lbVerified published recordAmazon source |
| Model | CV12 Pro |
Published fit signals and open questions
Published fit signals
- Seal bar12 inVerified published recordWevac Technology Co., Limited source · Wevac Technology Co., Limited source
- Pump85 L/min (5,187 in³/min) pump flow rate; architecture not publishedVerified published recordWevac Technology Co., Limited source · Wevac Technology Co., Limited source
- Power360 W at 120 V, 60 HzVerified published recordWevac Technology Co., Limited source
- Weight29.4 lbVerified published recordAmazon source
Unanswered or conflicting specifications
- ChamberConflicting published values: 12.2" W x 13.0" D x 3.9" H / 12.4" W x 12.8" L x 3.8" HConflicting published recordWevac Technology Co., Limited source
How it compares
Three other shortlisted machines for context on the specifications that decide fit. See the full eight-machine buying guide.
Scroll horizontally to see every column.
| Model | Seal bar | Chamber | Pump | Weight | Analysis |
|---|---|---|---|---|---|
 Wevac CV12 Pro | 12 inVerified published recordWevac Technology Co., Limited source · Wevac Technology Co., Limited source | Conflicting published values: 12.2" W x 13.0" D x 3.9" H / 12.4" W x 12.8" L x 3.8" HConflicting published recordWevac Technology Co., Limited source | Not statedVerified published recordWevac Technology Co., Limited source · Wevac Technology Co., Limited source | 29.4 lbVerified published recordAmazon source | This analysis |
 Avid Armor USV32 | 11.5 inVerified published recordAvid Armor source | 11.5 x 12 x 3.5 inVerified published recordAvid Armor source | dry piston vacuum pumpVerified published recordAvid Armor source | 26.40 lbVerified published recordAvid Armor source | Open analysis |
 Avid Armor USV20 | 11.5 inVerified published recordAvid Armor source | 12.25 x 8.5 x 3 inVerified published recordAvid Armor source | dry double-piston pumpVerified published recordAvid Armor source | Conflicting published values: 17.3 pounds / 17.55 lbConflicting published recordAmazon source · Avid Armor source | Open analysis |
 VEVOR DZ-260S Chamber Sealer | 10.2 in / 260 mmVerified published recordVEVOR source | 13 x 10.6 x 2 in / 330 x 270 x 50 mmVerified published recordVEVOR source | Conflicting published values: 120W vacuum pump / 180W vacuum pumpConflicting published recordVEVOR source | 47 lb / 21.3 kg including accessoriesVerified published recordVEVOR source | Open analysis |
Use this analysis when…
Use the published records to check whether Wevac CV12 Pro fits your measured package, workspace, power supply, and pump-maintenance plan. Confirm every partial, conflicting, or unpublished field before ordering.
Before committing, work through the sizing method — chamber height eliminates more machines than seal width does — and read the pump trade-off if this model’s pump type matters to your duty cycle. If you seal only dry goods, compare whether an external sealer better matches the required mechanism; our comparison covers when a chamber machine is not warranted.
What it needs on an ongoing basis
- Chamber pouches that fit the 12-inch sealing limit — smooth, not the embossed bags an external sealer needs.
- Pump-oil requirement unknown: the pump architecture is undisclosed, so confirm the exact pump and service requirements before buying oil.
Still comparing?
- Wevac vs Avid Armor: Published Specification Records
- Chamber Vacuum Sealers for Deer Meat Compared by Lid Clearance
- Meat Chamber Vacuum Sealer Fit: 5 Models Matched to the Cut
- 4 Chamber Vacuum Sealers for Liquids Compared by Usable Fill Depth
- Choosing a Sous Vide Chamber Vacuum Sealer by Pouch Temperature Rating
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Check current price at Amazon
Sources and record status
Each core specification row identifies whether the current record is verified, partial, conflicting, or not published and links to the evidence used for that status.
- Wevac Technology Co., Limited evidence recordWevac Technology Co., Limited · Accessed
- Wevac Technology Co., Limited evidence recordWevac Technology Co., Limited · Accessed
- Amazon evidence recordAmazon · Accessed
How published evidence is evaluated
Chamber Bench compares manufacturer and listing evidence for the eight machines in this comparison. The current analysis covers usable chamber geometry, seal-bar length, pump type, serviceability, and other published ownership constraints.
Where a manufacturer publishes nothing, we say so rather than filling the gap:
- We record which specifications a manufacturer declines to publish.
- We flag contradictions inside a listing rather than quietly picking one figure.
- We keep partial records distinct from complete published dimensions.
- We do not reproduce retailer ratings or prices as editorial fact.
What we have not done: we have not physically run these machines. No cycle times, seal-strength figures, or noise measurements on this site come from our own bench, and none are presented as if they do. Our test protocol documents the measurements required before any model can carry a tested performance conclusion.