What is Valve Bags? Valve bags are one of the most commonly used packaging solutions, especially for products such as powders, flour, activated carbon, plastic pellets and cement. One of the most important features of a valve pocket is the small opening or valve in the corner through which filling takes place. The valve is made with an inner flap that acts as a self-closing check valve after filling. It is available with a plain valve or an extended paper or film sleeve. If using the extended “tuck-in sleeve”, manually fold the sleeve down and back into the pocket below the sleeve for a secure closure to prevent loosening. Simply put, when the filling is completed, the pressure of the contents in the bag will automatically seal the valve port to achieve the self-sealing function. The valve bag is the current international mainstream environmental protection packaging bag.
How do valve pockets work?
The valve bag cannot work alone, it must work with the machine. Valve bagging refers to the use of specialized machines to fill bags to the brim. This machine uses a nozzle that is placed in or near the opening of the bag. Valve bags can be filled in a fully or semi-automated manner. This ensures consistent product portions and minimizes loss. In addition, since there are different types of filling machines in different industries, the details of the valve port can be easily changed according to the machine. This automation enables greater efficiency compared to manual operations. At the same time, it reduces the risk of contamination of the working environment and protects the health of workers. In general, there are two main types of valve bags, kraft paper valve bags, and plastic valve bags. Sometimes, depending on the storage requirements of the concrete material, multiple layers of film are extruded together to produce a multi-layer valve pocket.
Types of valve pockets
There are many types of valve pockets on the market, each with its own unique features and benefits. Some of the most common valve bag types are:
Paper Valve Bags: Made of high quality paper, these bags are ideal for packing materials like cement, chemicals, and food.
Plastic Valve Bags: These bags are made of high-density polyethylene (HDPE) or polypropylene (PP) and are suitable for packaging pet food, animal feed, and other similar products.
Woven Polypropylene Valve Bags: These bags are extremely durable and ideal for packing heavy-duty materials such as sand, gravel, and other construction materials.
Benefits of using valve pockets
Valve bags offer several advantages over other types of packaging, some of which are:
EASY TO FILL: The valve bag is designed to be easy to fill thanks to the valve located on one of the corners.
Efficient: The valve on the bag allows for quick and efficient filling, reducing the time and labor required for packaging.
Protection: Valved pockets provide excellent protection against moisture, air and other contaminants, ensuring interior materials remain fresh and uncontaminated.
Durability: Valve pockets are extremely durable and can withstand the rigors of shipping and storage without tearing or breaking.
Why choose Yuesheng Machine?
At Yuesheng Machine, we specialize in manufacturing high quality valve pocket making machines and wholesale valve pockets for various industries. Our machines are designed to produce valve pockets of different sizes and materials with high precision and efficiency. Our company constantly strives to innovate and keep pace with the times. Developed a series of high-tech products such as servo valve paper machine, internal and external reinforcement, internal and external valve, paper plastic valve, Big S compactor, etc. Currently, we have more than fifty inventions and patents. We also provide custom solutions to meet the specific needs of our customers.
Some reasons why you should choose Yuesheng Machine are:
QUALITY: Our products are made of high-quality materials and durable to ensure you get your money’s worth. The valve pockets we produce are of the highest quality and our valve pocket machines are technologically advanced.
Customization: We provide custom solutions to meet the specific needs of our customers, ensuring you get what you need.
Efficiency: Our machines are designed to be efficient, reducing the time and labor required for packaging, which can bring you greater commercial benefits.
Affordability: We offer competitive prices without compromising the quality of our products.
in conclusion
Valve bags are an efficient and reliable packaging solution for storing and transporting dry or semi-dry materials. Yuesheng Machine provides custom valve bag making machines and wholesale valve bags to help companies simplify the packaging process and increase productivity. Contact us today to learn more about our products and services.
I’ve had the pleasure of working with Yuesheng Machine’s team, and their professionalism is unmatched. From the initial consultation to after-sales support, they have been responsive, knowledgeable, and truly invested in our success. Highly recommended!
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