A Detailed Buying Guide To ROPP Capping Machines - Levapack

A Detailed Buying Guide To ROPP Capping Machines

In this buying guide, we will provide a detailed overview of ROPP capping machines, including their main components and types. We will also talk about Levapack, one of the top-notch ROPP capping machine manufacturers in China.

What Does ROPP Mean? What Is the Full Form of ROPP?

cap screwing machine
Source: Levapack

The term ROPP stands for roll-on pilfer-proof and ROPP caps are one of the common types of bottle closures. ROPP caps are widely used for sealing wine, spirits, and pharmaceuticals.

ROPP caps and capping devices are utilized to create an anti-tamper container closure using plastic or caps and a threaded lip. 

What Is ROPP Caps

ROPP caps

The ROPP cap is a two-piece closure consisting of an aluminum or tinplate cap and a plastic or cork liner. The cap is tamper-evident, meaning it has a feature that shows the consumer whether the product has been tampered with before opening. The ROPP capping process involves the application of a pre-threaded cap onto a bottle neck using a set of rollers that seal the cap onto the bottle. 

The cap is first placed on the bottleneck, and the rollers then apply pressure to crimp the cap onto the bottle. This creates a hermetic seal that ensures the contents of the bottle are safe from contamination. Businesses can greatly benefit by acquiring ROPP capping machine for sale from reliable manufacturers. 

Applications of ROPP Caps

wine ROPP caps
wine ROPP caps

ROPP caps are commonly used for packaging wine, spirits, pharmaceuticals, and other products that require a high level of protection. They are preferred over other types of closures because they are tamper-evident, leak-proof, and easy to open. 

The tamper-evident feature ensures that the product has not been opened or tampered with before it reaches the consumer. This is especially important in the pharmaceutical industry, where product safety is vital. It is possible to alter the capping heads so they can be compatible with any bottle shape and size.

The hermetic seal created by the ROPP capping process prevents air and moisture from entering the bottle, preserving the quality of the product and extending its shelf life. ROPP caps are also easy to open, making them a convenient choice for consumers. Leading ROPP capping machine manufacturers offer the best quality capping machines. 

Main Components of the ROPP Capper Machine

capping machine for glass bottle
Source: Levapack

The main components of a ROPP capping machine are:

  • Cap Hopper: This stores and feeds the caps to the sorter. 
  • Cap Sorter: It separates and positions the caps for application. 
  • Cap Chute: This guides the cap onto the bottle neck. 
  • Cap Elevator: It lifts the caps to the capping head. 
  • Bottle Conveyor: This transports the bottles through the capping machine. 
  • Capping Head: This applies the cap onto the bottle neck 
  • Bottle Guide Rails: They assist in aligning the bottles while they move via the conveyor belt. 
  • Rollers: They crimp the cap onto the bottle neck. 
  • Control System: It controls the machine’s operation and has sensors, user interface, etc. 

The working principle of a ROPP capper machine involves the roll-on-pilfer-proof process, where the cap is rolled onto the bottleneck and crimped using a set of rollers. The caps are first fed into the machine via the cap hopper and sorted by the cap sorter. 

The caps are then guided onto the bottleneck by the cap chute and lifted to the capping head by the cap elevator. The capping head applies the cap onto the bottle neck, and the rollers crimp the cap onto the bottle, creating a hermetic seal.

Type of ROPP Capping Machine Sorted by Automation

screw capping machine
Source: Levapack 

ROPP capping machines can be classified into three types based on their automation level: automatic, semi-automatic, and manual. Each type of ROPP capping machine has its unique features and advantages.

Automatic ROPP Capping Machine

Automatic ROPP capping machine is fully automated and can cap a large number of bottles per minute. They use a bottle conveyor system to transport bottles through the capping machine, and the caps are applied and crimped automatically. The caps are sorted, fed, and placed onto the bottle neck without any human intervention. 

Automatic ROPP capping machines are ideal for high-volume production lines and can be integrated with other packaging equipment for a complete packaging solution. They offer high accuracy and consistency in capping and are reliable and efficient. 

Semi-automatic ROPP Capping Machine

Semi-automatic ROPP capping machines require some human intervention, such as placing the bottle on the conveyor and removing the capped bottle. They are ideal for small to medium-scale production lines that require a lower output. The caps are sorted and fed automatically, but the bottle needs to be manually placed on the conveyor. 

The machine applies and crimps the cap onto the bottle neck automatically. Semi automatic ROPP capping machine models are easy to operate and require minimal training. They offer high accuracy and consistency in capping, making them a cost-effective solution for small to medium-sized businesses.

Manual ROPP Capping Machine

Manual ROPP capping machines are operated by hand and are suitable for small-scale production or laboratory use. They require manual placement of the cap and crimping of the cap onto the bottle. Manual ROPP capping machines are simple to operate and require no power source. 

They are lightweight and portable, making them ideal for use in remote areas or where electricity is not available. Manual ROPP capping machine is suitable for sealing a small number of bottles and is cost-effective.

Levapack – One of the Leading ROPP Capping Machine Manufacturers in China

Levapack is one of the high-end ROPP capping machine manufacturers in China with 14 years of experience. We offer custom-made ROPP capping machines that meet our clients’ requirements and production needs. Our capping machines are compatible with various bottle sizes and cap types and can achieve a capping speed of up to 30 bottles per minute. We use high-quality materials and advanced technology. 

Custom-Made Filling, Seaming, and Capping Line

At Levapack, we provide a complete can packaging solution that includes not only ROPP capping machines but also filling and seaming machines, labeling and coding machines, and other can packaging equipment. We offer customized solutions that are tailored to our client’s specific requirements and production needs. We can packaging machines are built to the highest quality standards and are designed to be reliable, efficient, and easy to operate. 

Expert Technical Support and Services

Levapack offers expert technical support and services to ensure that our clients’ machines are running at optimal performance. Our team of experienced technicians is available to provide on-site installation, training, and maintenance services, as well as remote technical support. We also offer spare parts and machine upgrades to keep our clients’ machines up-to-date and running smoothly.


Choosing the right ROPP capping machine for your production needs is crucial for ensuring efficient and reliable operation. Levapack offers custom-made ROPP capping machines that are designed to fulfill clients’ requirements and production demands. 

In addition, we offer expert technical support and maintenance services. Contact Levapack today to learn more about ROPP capping machines and packaging solutions. Let us help you find the perfect packaging solution for your product. 

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