DVB-255A 桌上型真空封口機
DVB-255A 桌上型真空封口機
DVB-255A 桌上型真空封口機
DVB-255A 桌上型真空封口機
DVB-305V
Tabletop chamber vacuum sealer(oil-less type)

Sealing length: 30cm.

Suitable for packing products: powder, dry articles, nuts, parts.

  • Detail
  • Feature

Tabletop chamber vacuum sealer:

• Made in Taiwan.

• Aluminum paint outer casing, rustproof, solid and heavy-duty, health and hygiene to be used.

• High sealing quality, can be perfomed by industry for professional vacuum and seal widely.

• Human-based control, it can adjust the vacuum time, sealing time and cooling time separately, which depends on the article size and bag material.

• This machine keeps food fresh longer and keeps the precious articles from humidity after vacuum and sealing.

• Available for any kinds of vacuum sealer bags. 

•Machine size: we could develop the new design and size depends on customer’s demands.

 


Specification
Model No. DVB-305V
Sealing type
Type
Voltage/Ampere 110V / 3.7A
Power 407W(110V)
Vacuum capacity 26.6” hg
Max.sealing 315.0 x 5.0 mm
Vacuum time 0.0–99.0 sec.
Sealing time 0.0 –6.0 sec.
Cooling time 0.0–10.0  sec.
Machine weight
Machine size 400 x 328 x 397 mm
Vacuum flow 110L/min
Pump capacity
Pump type Oil-less type
Chamber size 346 x 76 x 296 mm
Sealing width
Sealing and conveyor speed
Bag total thickness
Bag size
Sealing Temperate
Conveyor width
Conveyor height adjusting range
Conveyor loading weight
Machine size
Packing
Warm up time
Heating
Temperature
Adjusting height of working table
Width of ribbon
Size of letter
Number of letters
Printing area
Size of metal bar
Quantity of knives
Length of knives
Max. consumption electric power
Oscillation frequency
Max. welding
Film position
Size of heating board
Max. size of film
Inner core
Packing size
Working table size
PS2
PS3
Certification
Machine material
Suitable material of bag
Suitable for packing products
Spare parts
Warranty
Origin
Rated current
Exciting current
Normal rated power
Resistance
Anti pressure test
Orifice
Port Size
Working pressure
Operation Temperature
Temperature class of insulation
Material of valve body
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Why Choosing Dailysealing
Parts and material quality control
  • Heating elements are from Japan.
  • Motor, Transformers, PCB and vacuum bags are made in Taiwan.
Strict quality control
  • 100% product inspection: The inspection is included functions and appearance of sealing machines.
  • Tensile strength test to ensure the sealing line tensile strength value reaches the customer standard.
  • Electric leakage test: Puncture and insulation test.
  • Our production and inspection are all based on ISO 9001.
Professional packaging and sealing machine factory
  • Produce many kinds sealing machines and ODM/OEM products and provide custom-made services.
  • More than 30 year experiences in packaging machines industry.
  • Sell sealing machines to America, Europe, Latin America and Asia.
  • 85% products in stocks, so we can deliver the products quickly.
  • The production process is based on SOP to ensure the quality of sealing machines consistently.
Complete range of specifications of sealing machines
  • Complete range of specifications of sealing machines.
  • Many kinds of sealing machines and consumptive materials in stocks, so customers can do one-stop shopping here.
  • The customers include Biotechnology companies, Medical equipment companies, Food industry, Electronics industry, Handmade soap industry and other industry..
Custom-made sealing machine service
  • Custom-made sealing machine service
  • Designs of the special sealing machine for irregular shape sealing line, such as U-shape sealing line and L-shape sealing line.
  • Different width of sealing line could be custom-made to meet customer requirements.
After-sales service of professional sealing machine
  • Provide the professional service for repair the broken sealing machine immediately.
  • The sufficient supply of parts stock, so don’t worry about the parts replace.
  • Some parts of sealing machine are used in common specifications, so it is easy to get the parts for replace.
Exhibitions and trade shows
News
Vacuum Sealer vs. Continuous Band Sealer: Key Differences, Applications, and Buying Guide
2026/6/12
Vacuum Sealer vs. Continuous Band Sealer: Key Differences, Applications, and Buying Guide
Vacuum Sealer vs. Continuous Band Sealer: Key Differences, Applications, and Buying Guide Many businesses face the same question when selecting packaging equipment: Should I choose a vacuum sealer or a continuous band sealer? Although both machines are used for packaging and sealing products, they serve very different purposes. A vacuum sealer removes air before sealing, making it ideal for products requiring freshness preservation and oxidation prevention. A continuous band sealer focuses on high-speed sealing, making it the preferred choice for high-volume packaging operations. Choosing the wrong equipment can lead to reduced efficiency, poor packaging quality, and unnecessary costs. Quick Answer: Vacuum Sealer or Continuous Band Sealer? Need to extend shelf life or prevent oxidation: Choose a vacuum sealer Need high-speed, high-volume sealing: Choose a continuous band sealer Need both vacuum packaging and high volume: Evaluate a continuous vacuum sealer Need only standard bag sealing at lower volume: An impulse sealer or foot sealer may be sufficient 1. What Is a Vacuum Sealer? A vacuum sealer removes air from the package before creating the final seal. By reducing oxygen inside the package, vacuum sealing helps extend shelf life, reduce oxidation, prevent moisture damage, and improve storage stability. Vacuum sealers are ideal for extending shelf life — making them a standard choice for food processing, agricultural products, and moisture-sensitive industrial components. Based on Dailysealing's practical experience across food processing, agricultural packaging, and electronic components applications, products sensitive to oxygen or moisture consistently benefit most from vacuum packaging. Fresh meat, seafood, cooked foods, and agricultural produce are among the most common vacuum packaging applications. Common Vacuum Sealer Applications Fresh meat and seafood Cooked and processed foods Coffee beans, tea, and nuts Agricultural produce Electronic components and precision parts Medical supplies and consumables Key Advantages of Vacuum Sealers Extends product shelf life significantly Reduces oxidation and moisture damage Improves food freshness and storage quality Protects sensitive components from environmental exposure Available in multiple configurations for different output volumes If your primary packaging goal is preservation rather than just sealing, a vacuum sealer will almost always outperform a standard bag sealer. 2. What Is a Continuous Band Sealer? A continuous band sealer is designed for continuous sealing operations. Products move through a conveyor system where the bag passes through heating and cooling zones to create a consistent seal — without stopping between bags. Continuous band sealers are suitable for high-volume packaging where throughput and consistency are the priority, not air extraction. From Dailysealing's experience serving clients in food manufacturing, agricultural processing, and industrial packaging, businesses typically transition from manual impulse or foot sealers to continuous band sealers when daily packaging volume exceeds several hundred bags — significantly improving production efficiency and seal consistency. Common Continuous Band Sealer Applications Snacks, candies, cookies Dry goods, tea, coffee Powder and granule products Hardware and industrial components Agricultural goods (rice, grains, feed) General PE, aluminum foil, and laminated pouches Key Advantages of Continuous Band Sealers High throughput for large-volume operations Consistent seal quality across all bags Reduced manual handling and labor costs Continuous operation without stops between bags Compatible with production line integration If your product does not require vacuum packaging but your daily output is growing, a continuous band sealer delivers far better efficiency than manual sealing equipment at scale. 3. Vacuum Sealer vs. Continuous Band Sealer: Full Comparison The best choice depends on product characteristics and packaging volume. The table below covers the key differences across the most important evaluation criteria for B2B packaging buyers: FeatureVacuum SealerContinuous Band Sealer Primary Function Removes air, then seals Seals continuously at high speed Shelf Life Improvement ✅ Excellent Limited Packaging Speed Moderate ✅ High High-Volume Production Depends on model ✅ Excellent Oxidation Protection ✅ Excellent Limited Food Preservation ✅ Excellent Moderate Production Line Integration Available on certain models ✅ Excellent Labor Reduction Moderate ✅ High 4. Which Is Better for Food Packaging? The answer depends on the specific food product. Based on Dailysealing's technical team's experience across food processing, central kitchen, and agricultural packaging clients, different food categories have distinctly different packaging equipment requirements: Recommended equipment by food product type: Fresh meat, seafood, cooked foods: Vacuum sealer — shelf life extension is the priority Tea, coffee beans: Vacuum sealer or continuous band sealer, depending on preservation requirements Snacks, cookies, candy: Continuous band sealer — high-volume sealing efficiency Dry goods, powders, grains: Continuous band sealer High-volume food processing: Continuous band sealer or continuous vacuum sealer 5. When Should You Choose a Vacuum Sealer? ① Product Requires Longer Shelf Life Meat, seafood, cooked foods, and marinated products deteriorate quickly when exposed to air. Vacuum packaging significantly extends their usable shelf life. ② Product Is Prone to Oxidation Tea, coffee, nuts, and electronic components degrade when exposed to oxygen and humidity. Vacuum packaging significantly reduces this risk. ③ Product Needs Cold-Chain or Long-Distance Shipping Products going through freezing, refrigeration, or long-distance transit benefit from the added protection vacuum packaging provides during extended storage. ④ Product Contains Liquid or Moisture Liquid-content products are better handled by a chamber vacuum sealer, which creates negative pressure around the entire bag rather than extracting directly from inside. 6. When Should You Choose a Continuous Band Sealer? ① Daily Packaging Volume Is High When daily output reaches hundreds of bags or more, manual sealing equipment creates a production bottleneck. A continuous band sealer dramatically improves throughput. ② Product Does Not Require Vacuum If the packaging goal is containment, moisture resistance, or dust protection — rather than air removal — a continuous band sealer is the more efficient solution. ③ Consistent Seal Quality Is Required The conveyor-driven process maintains a consistent sealing speed, eliminating operator-to-operator variation and improving overall packaging quality. ④ Labor Efficiency Is a Priority Continuous sealing machines significantly reduce manual sealing time, freeing operators for other production tasks and lowering cost per unit packaged. 7. What If You Need Both Vacuum Sealing and High Volume? Some operations require both vacuum packaging and high production output simultaneously. In these situations, a continuous vacuum sealer combines automated conveyor operation with integrated vacuum packaging — making it suitable for food processing plants, meat and seafood producers, and large-scale agricultural packaging operations. A continuous vacuum sealer may be the right solution when: Vacuum packaging is required and daily output is high Production line efficiency needs to be maximized Reducing manual labor in the packaging process is a priority Both shelf-life extension and high-volume output are required simultaneously 8. Four Questions to Answer Before Choosing When selecting between a vacuum sealer and a continuous band sealer, equipment price should not be the primary factor. The right machine is the one that matches your product characteristics, packaging requirements, and production volume. 1. Does the product need vacuum packaging? Products requiring freshness or oxidation protection need a vacuum sealer. If only containment sealing is needed, a continuous band sealer is more efficient. 2. What is your daily packaging volume? Low volumes suit manual or compact equipment. Higher volumes justify a continuous band sealer or continuous vacuum sealer investment. 3. What packaging material are you using? PE bags, aluminum foil, laminated pouches, and vacuum channel bags each require different sealing temperatures and machine configurations. 4. Does the product contain liquid or moisture? Liquid-content products require specialized vacuum sealing configurations. A chamber vacuum sealer is often the most appropriate solution for wet or high-moisture products. The following questions are compiled from Dailysealing's technical team's experience working with clients in food processing, agricultural packaging, electronics manufacturing, and industrial packaging applications. Frequently Asked Questions Q1: What is the main difference between a vacuum sealer and a continuous band sealer? A vacuum sealer removes air from the package before sealing — this is its defining function. A continuous band sealer seals the bag opening at high speed without extracting air. The core difference is whether air removal is part of the packaging requirement. If shelf life and oxidation protection matter, a vacuum sealer is the right choice. If throughput and efficiency at volume are the priority, a continuous band sealer is more appropriate. Q2: Which machine is better for food packaging? It depends on the product. For meat, seafood, cooked foods, and products requiring shelf-life extension, a vacuum sealer is generally the better choice. For snacks, dry goods, and high-volume food manufacturing that does not require vacuum packaging, a continuous band sealer provides higher efficiency and output consistency. Q3: Can a continuous band sealer perform vacuum packaging? No. Standard continuous band sealers only heat-seal the bag opening and do not extract air. For vacuum packaging requirements, a vacuum sealer is necessary. For operations that need both vacuum packaging and high-volume continuous output, a continuous vacuum sealer performs both functions in a single automated process. Q4: Which machine is better for large-scale production? For high-volume packaging that does not require vacuum sealing, a continuous band sealer offers superior throughput and operational efficiency. If high-volume vacuum packaging is required, evaluate a continuous vacuum sealer — which integrates automated conveyor operation with vacuum packaging capability in a production line format. Q5: How do I choose between the two? Start by answering four questions: Does the product need vacuum packaging? What is your daily output volume? What bag material are you using? Does the product contain liquid or moisture? These four criteria — product characteristics, packaging volume, bag material, and moisture content — will narrow down the right equipment type for your application. About This Article This article was prepared by the Dailysealing technical team. Daily Sealing System Co., Ltd. is a Taiwan-based manufacturer specializing in sealing machines and vacuum packaging equipment. Our product range includes vacuum sealers, external vacuum sealers, chamber vacuum sealers, continuous band sealers, continuous vacuum sealers, foot sealers, impulse sealers, medical pouch sealers, and customized sealing equipment. The company holds ISO 9001:2015 certification and carries CE, FDA, EU No.10/2011, and BPA Free certifications. Patents are registered in Taiwan, the United States, Europe, Germany, Japan, and China. Content in this article is based on actual packaging equipment application experience, equipment specifications, and industry practice — intended to support equipment evaluation by B2B buyers and procurement teams. Not Sure Whether to Choose a Vacuum Sealer or a Continuous Band Sealer? Share your product type, bag material, and daily output volume. The Dailysealing technical team can evaluate your requirements and recommend the most suitable sealing equipment for your operation. View All Sealing Machine Series Contact Us // //  
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Q&A-Why can’t the vacuum effect be maintained after using the vacuum sealer?
2024/7/12
Q&A-Why can’t the vacuum effect be maintained after using the vacuum sealer?
Why can’t the vacuum effect be maintained after using the vacuum sealer? The following are possible reasons. Users can check by themselves first.   1. The wrong material of packing bags: the material of plastic bags is PE, PP which can’t maintain the vacuum effect. The air will enter into the bags after the vacuum sealer finishing working. It is recommended to choose Nylon bags, Aluminum foil bags which can maintain the vacuum effect for a long time.   2. The sealing line is not sealed well: please check whether the sealing line is complete or not. If the sealing line is not closed, the air will run into the bags. (1) If the bag is too thick, and the vacuum sealer wasn't set for enough sealing time, the heat wasn't enough to seal the bag. If the vacuum sealer can adjust the sealing time, users can add more seconds to test whether the sealing is firm. If the vacuum sealer can't adjust the sealing time, users may need to replace the thinner bag or buy another vacuum sealer with setting sealing time function.     (2) There have also been cases where the bottom seal of the original bag was not sealed properly. In this case, seal the bottom sealing line again before vacuuming.   3.     Vacuum bag styles are not suitable for vacuum sealers: non-nozzle vacuum sealers can't be used for vacuum flat bags. Therefore, if you buy a non-nozzle vacuum sealer, you must pay attention to the style of the bag you use. This vacuum sealer is a must-to-use vacuum embossed bag or Nylon gusset vacuum bag. It is recommended that when purchasing a vacuum sealing machine or vacuum bag, it is more appropriate to confirm with the supplier first.     4.     The vacuum bag is broken: (1) If the package article has acute angles, be careful not to cut the vacuum bag when putting it into the vacuum bag. (2) Vacuum sealer in the process of pumping, when the bag is shrunk to the package, it may be punctured by the packaging.
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Vacuum Sealer Cleaning and Maintenance: A One-Stop Guide
2024/12/24
Vacuum Sealer Cleaning and Maintenance: A One-Stop Guide
Vacuum Sealer Cleaning and Maintenance: A One-Stop Guide   Vacuum sealers are indispensable equipment in the food packaging industry, helping to maintain the freshness of food or other products and extending the shelf life of products. To ensure that vacuum sealers operate over the long term and maintain optimal performance, regular cleaning and maintenance of the vacuum sealer is essential. Below is a series of professional steps for cleaning and maintaining vacuum sealers to help you achieve this goal.   Vacuum Sealer Cleaning Steps:   1. Daily Cleaning: After using the vacuum sealer, immediately wipe the exterior of the vacuum sealer as well as the sealing chamber and seal groove with warm water and a neutral detergent. Avoid using strong acids, strong alkalis, or abrasive detergents that could damage the surface.   2. Inspection and Replacement of the Vacuum Sealer's Heating element: Regularly check the vacuum sealer's Heating element for damage or wear and replace it in a timely manner to maintain excellent sealing results.   3. Lubrication of Vacuum Sealer Mechanism Parts: According to the operation manual, regularly check and apply a special lubricant to the mechanical parts of the vacuum sealer, such as conveyor belts and bearings.   4. Vacuum Pump Maintenance: For vacuum sealer models equipped with a vacuum pump, it's necessary to regularly clean the vacuum pump filter and replace the filter element to ensure the normal operation of the vacuum pump.   5. Electrical System Inspection: Regularly check the electrical system, including wires, plugs, and switches, to ensure they are safe and reliable.   Vacuum Sealer Maintenance Suggestions:   1. Ensure Good Ventilation: When using the vacuum sealer, ensure the surrounding area is well-ventilated to prevent dust and other foreign objects from entering the inside of the machine.   2. Inspection and Replacement of Vacuum Oil: For oil-type chamber vacuum sealers, regularly check the amount and clarity of the vacuum oil and add or replace the vacuum oil as necessary to maintain a good vacuum.   3. Cleaning of the Sealing Area: After using the vacuum sealer, clean the sealing area to keep it free of dirt and grime, ensuring the sealing effect.   4. Selection of Appropriate Packaging Materials: Choose suitable packaging materials, especially when vacuum sealing liquids, to prevent the liquid from being sucked into the pump.   5. Timely Replacement of Vacuum Sealer Consumables: If any worn or damaged parts are discovered, they should be replaced promptly to avoid affecting the performance of the vacuum sealer.   By following the above methods for cleaning and maintaining your vacuum sealer, you can not only ensure stable performance and efficient sealing results but also extend the lifespan of your vacuum sealer to the greatest extent. Regular maintenance not only helps improve work efficiency but also ensures the safety of the vacuum sealing process and the hygiene quality of the food.   Vacuum Sealer Cleaning and Maintenance
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