Blog

UAH21A Vacuum Sealer: Why Double Sealing Strips and UV Disinfection Matter for Long-Term Distribution

MMi Lan·Mar 14, 2026
Prime Household 白底图

Manufacturer: Guilin Prime Household Products Co., LTD  |  By Mi Lan  |  Last updated: June 2026

The UAH21A is a household external vacuum sealer built by Guilin Prime Household Products Co., LTD around a double sealing-strip design for distributors who need a low return rate over the long run. It uses two 3 mm heating strips for a redundant seal, reaches up to 30 cm sealing width, draws −70 to −90 kPa on dry foods and −35 to −65 kPa on wet foods, runs on a 115W, 100–240V supply, and includes a removable drip sink and four blue-LED UV lamp modules as hardware. We supply it factory-direct on OEM/ODM and private-label terms, with an MOQ from 100 units, a 15–30 day lead time, and FOB China pricing.

At our facility in Guilin, we treat the sealing mechanism as the heartbeat of a vacuum sealer. A machine is only as good as its seal: if the seal fails, the food spoils, and the brand on the box loses the customer’s trust. We designed the UAH21A (Series A) not just to remove air, but to give importers and brand owners a level of seal security that single-strip sealers often miss. By controlling the process from the ABS molding through final voltage testing, we make sure the unit that leaves our loading dock is ready for daily household use across Europe, North America, and Southeast Asia.

Key Specifications at a Glance

ModelUAH21A (Series A)
MaterialABS body with metal brushed panel
Power115W
Voltage100–240V (global compatibility)
Vacuum Pump Flow Rate4 – 8 L/min ± 15%
Suction (dry food)−70 to −90 kPa
Suction (wet food)−35 to −65 kPa
Maximum Sealing Width30 cm
Heating Strip3 mm × 2 (double sealing strips)
Product Dimensions40 × 17.5 × 9.4 cm
Gross Weight1.75 kg
Export Carton10 units per carton (18.8 kg total)
OEM / ODMAvailable for custom branding and packaging

Our Manufacturing Philosophy: Durability Over Gimmicks

In manufacturing it is tempting to cut costs on the components a buyer never sees — a thinner heating element, a smaller pump. We have learned the opposite lesson. For importers and brand owners the most expensive number is not the unit price; it is the return rate. A high defect rate damages a distributor’s reputation faster than a higher price point ever could.

So our philosophy centers on over-engineering the critical failure points. We look at where competitor models fail — usually the heating strip burning out or the vacuum chamber cracking — and we reinforce those areas. We measure success by repeat orders. When a distributor comes back for a second and third container, it is not because of flashy marketing; it is because the units we built years earlier are still working and their customers are not sending them back.

Why We Engineered These Specific Features

Every technical choice in the UAH21A was made to reduce after-sales friction for our B2B partners, which in turn makes for a more sellable product on the shelf.

Double Sealing Strips (3 mm × 2)

Most standard units use a single strip. We chose a double 3 mm configuration because it creates a redundant seal: if a crumb or a drop of liquid compromises one line, the second line still holds the vacuum. For a distributor that means fewer warranty claims about leaking bags.

Removable Drip Sink

One of the most common complaints in this category is liquid damage. When users seal wet foods, liquid can be drawn toward the machine. We engineered a dismantling drip sink that lifts out for washing, protecting the internal pump and PC board from moisture and extending service life versus a sealed-unit design.

Metal Brushed Panel & ABS Body

We use high-grade ABS for the body and finish it with a metal brushed panel. That gives the premium look retail shelves expect without the weight and cost of a full stainless-steel chassis — a deliberate balance between shipping efficiency and perceived value.

Four Blue-LED UV Lamp Modules

The UAH21A includes four blue-LED UV lamp modules in the chamber. We describe these strictly as a hardware feature of the machine — built-in lamp modules — and we make no performance or efficacy claim of any kind about them. For private-label owners they are a distinct piece of hardware in a crowded category.

The unit also carries practical conveniences that matter to end users: a built-in sliding bag cutter, an external vacuum-hose port for jars and canisters, a circular countdown LED display, and an upper-cover “not sealed” prompt that flags an open lid before a cycle starts.

Built for Today’s Kitchen Duty Cycle

Demand for vacuum sealers is no longer seasonal. A decade ago sales spiked only around hunting or harvest. Today, with sous-vide cooking and bulk buying to offset food inflation, households reach for these machines weekly. That shift means the equipment has to tolerate higher duty cycles, so we test heavy-usage scenarios to confirm the 4–8 L/min flow rate stays consistent across many cycles.

Factory, In-House QC & 12-Month Warranty

When you work with Guilin Prime Household Products Co., LTD, you are dealing directly with the source of production, which removes the layers of miscommunication common when buying through intermediaries. Quality control is not a bolt-on department for us; it is built into every stage of assembly. We do not rely on spot checks — every single unit undergoes a vacuum pressure test and a sealing heat test, and we verify the dry suction (−70 to −90 kPa) and wet suction (−35 to −65 kPa) so the pump curve stays within tolerance before a unit is packed.

Each UAH21A is backed by a 12-month warranty against manufacturing defects. Because the drip sink and chamber components are designed to be serviceable, many field issues can be resolved with simple maintenance rather than a full unit swap, which keeps your downstream support costs low.

OEM, ODM & Private-Label Programs

The “Series A” designation is internal — your brand belongs on the panel. We are set up to integrate your logo, your manual, and your packaging into the production line. For private-label and OEM clients consistency is the priority: you need to know the unit produced in June is identical to the one produced in December, so we hold strict component-sourcing standards and do not switch to cheaper internal parts once a specification is agreed.

Customization we routinely support includes custom branding and logo placement, retail and gift-box packaging, region-specific plug and voltage configuration within the 100–240V range, and manual and color-box localization. Because the UAH21A is engineered for a wide voltage range, an order bound for Japan and one bound for the UK differ mainly in the power cord and final QC protocol, not a costly re-tool.

Ordering: MOQ, Lead Time & Terms

Minimum Order QuantityFrom 100 units
Production Lead Time15–30 days (volume dependent)
Trade TermsFOB China
Warranty12 months against manufacturing defects
Export Packing10 units per carton, 18.8 kg total
CustomizationOEM / ODM / private-label

We can provide detailed export carton specifications and logistics guidance for high-volume orders, and we are happy to discuss your market’s specific voltage requirements or any custom features your local clientele expects.

Certifications Available

Compliance documentation can be provided on request to support your market-entry and customs requirements. Available certifications include:

  • CE
  • RoHS
  • UL
  • ETL
  • FCC
  • KC
  • EAC
  • UKCA
  • ISO 9001
  • FDA
  • BSCI

Full Technical Specifications

  • Model Number: UAH21A (Series A)
  • Material: ABS with metal brushed panel
  • Power: 115W
  • Voltage: 100–240V (global compatibility)
  • Vacuum Pump Flow Rate: 4 – 8 L/min ± 15%
  • Suction Power: Dry food −70 to −90 kPa; wet food −35 to −65 kPa
  • Maximum Sealing Width: 30 cm
  • Heating Strip: 3 mm × 2 (double sealing strips)
  • Key Features: Built-in sliding bag cutter; external vacuum-hose port; four blue-LED UV lamp modules; dismantling/removable drip sink; circular countdown LED display; upper-cover “not sealed” prompt
  • Product Dimensions: 40 × 17.5 × 9.4 cm
  • Gross Weight: 1.75 kg
  • Carton Specs: 10 units per export carton (18.8 kg total)
  • OEM/ODM: Available for custom branding and packaging

Frequently Asked Questions

What is the minimum order quantity for the UAH21A?

Our MOQ starts at 100 units. We can discuss trial shipments for partners testing a new market.

Why does it use double sealing strips?

The two 3 mm strips create a redundant seal. If one line is compromised by a crumb or moisture, the second line still holds the vacuum, which reduces leaking-bag complaints in the field.

How strong is the suction?

The UAH21A draws −70 to −90 kPa on dry foods and −35 to −65 kPa on wet foods, with a pump flow rate of 4–8 L/min ± 15%.

What voltage and power does it use?

It runs on a 100–240V supply and draws 115W, so the same unit ships to most markets with only a power-cord change.

What are the four blue-LED UV lamp modules?

They are blue-LED UV lamp modules built into the chamber as a hardware feature. We describe them only as a component of the machine and make no performance or efficacy claim of any kind about them.

Can you produce it under our own brand?

Yes. We offer OEM, ODM, and private-label programs, including custom branding, packaging, manual localization, and region-specific plug and voltage configuration.

What are the lead time and trade terms?

Standard production lead time is 15–30 days depending on volume, quoted FOB China. The UAH21A packs 10 units per export carton at 18.8 kg total.

Is the unit covered by a warranty?

Yes — a 12-month warranty against manufacturing defects, supported by a serviceable, removable drip sink and chamber components.

Which certifications are available?

On request we can provide CE, RoHS, UL, ETL, FCC, KC, EAC, UKCA, ISO 9001, FDA, and BSCI documentation to support your market entry.

Discuss Your Production Run

We are not looking for a one-off deal — we are looking for partners who value consistent manufacturing quality. Whether you need specific packaging customizations or want to discuss MOQ for a pilot run, the engineering team at Guilin Prime Household Products Co., LTD is open to the conversation.

Contact: [email protected]

#vacuumsealer #foodpreservation #kitchenappliances #b2bmanufacturing #homeappliances #chinesefactory #oem #odm #exportquality #foodtech #manufacturing #productdesign #supplychain #vacuumpackaging #applianceindustry

Related Articles & Products

Interested in our products?

Get factory-direct wholesale pricing and OEM/ODM options.

Request a Quote