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Tubular Pasteurizers Systems Supplier

YME provides high-performance Tubular and Tunnel Systems designed for the continuous thermal processing of complex fluid and packaged products. Our engineering focus is on achieving uniform heat transfer and precise residence time control, whether through multi-tube "tube-in-tube" exchangers or large-scale cooling tunnels. Ningbo Yuanlong (YME) systems are built to handle the rigorous demands of industrial production, ensuring consistent sterilization and cooling while minimizing energy consumption. From high-viscosity pulp processing to high-volume beverage cooling, we deliver integrated systems that bridge the gap between raw ingredient processing and final packaging.

YME Equipment Co., Ltd.
YME Equipment Co., Ltd.
Founded in 2001, YME is headquartered in Ningbo, Zhejiang, China. We are a China Tubular Pasteurizers Systems Supplier and OEM/ODM Tunnel Pasteurizers Systems Company, primarily stainless steel processing business with a modern manufacturing facility covering 6000m3. In recent years, our company has become one of the leaders in the stainless steel products industry, earning wide recognition from customers for our high-quality products and excellent service.
YME's success is built on the strength of our dedicated team—a group of passionate professionals who combine deep industry experience with a relentless drive for innovation. Our designers, engineers, and production staff are not only highly skilled but also continuously undergo advanced training to stay at the forefront of industry trends and technologies. This commitment to excellence allows us to adapt seamlessly to projects of any size and complexity, delivering tailored solutions with precision and creativity. It's this blend of expertise, forward-thinking, and collaborative spirit that enables us to consistently exceed client expectations and bring visionary ideas to life.
Our reach extends across the globe—from manufacturing hubs in Asia to developed markets in Europe, North America, and Australia. This widespread acceptance is the direct result of the lasting partnerships we've cultivated with customers in every region we serve. By consistently providing stainless steel equipment of unparalleled quality, we have built a foundation of trust that looks to the future. Looking ahead, we are committed to strengthening these bonds and expanding our global family, united by a shared vision for excellence.
YME's success is built on the strength of our dedicated team—a group of passionate professionals who combine deep industry experience with a relentless drive for innovation. Our designers, engineers, and production staff are not only highly skilled but also continuously undergo advanced training to stay at the forefront of industry trends and technologies. This commitment to excellence allows us to adapt seamlessly to projects of any size and complexity, delivering tailored solutions with precision and creativity. It's this blend of expertise, forward-thinking, and collaborative spirit that enables us to consistently exceed client expectations and bring visionary ideas to life.
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Tubular & Tunnel Pasteurizers Systems Industry knowledge

What Are Tubular and Tunnel Pasteurizer Systems

Tubular pasteurizer systems and tunnel pasteurizer systems are two distinct approaches used to pasteurize beverages after they have already been packaged into bottles or cans. A tubular pasteurizer system treats product before filling, passing it through a series of concentric tubes where hot water on the outer tube heats product flowing through the inner tube, similar in principle to a plate heat exchanger but built for products with pulp, particulates, or higher viscosity. A tunnel pasteurizer system, by contrast, treats already-filled and sealed containers by moving them through zones of progressively warmer and then cooler water sprays on a conveyor, allowing heat to penetrate through the packaging itself.

Both formats aim to achieve the microbial reduction needed for shelf stability, but they are applied at different points in the production line and suit different product and packaging types.

Advantages of Tubular and Tunnel Pasteurizer Systems

  • Tubular systems handle products with pulp or particulates that would clog narrow plate channels, making them suitable for juices and similar beverages.
  • Tunnel systems pasteurize product after sealing, which eliminates the risk of post-pasteurization contamination during filling.
  • Both formats support continuous, high-volume processing suited to canning and bottling lines running thousands of units per hour.
  • Tunnel pasteurizers use gradual heating and cooling zones, which helps reduce thermal shock to glass bottles and cans.
  • Stainless steel construction throughout both system types supports long-term durability under repeated hot and cold cycling.

How Tubular and Tunnel Pasteurizer Systems Work

Tubular System Operation

Product flows through the inner tube of a concentric pipe arrangement while hot water circulates through the outer jacket, raising product temperature as it passes through successive tube sections, followed by a holding section and then cooling before filling.

Tunnel System Operation

Filled and sealed containers move on a conveyor through multiple spray zones, each set to a progressively higher temperature to bring the product inside up to pasteurization temperature, followed by cooling zones that gradually reduce the temperature back down before packing.

Confirming Pasteurization Units

In both systems, achieving the correct pasteurization units (PU)—a combination of temperature and time—is confirmed through temperature monitoring at key points along the tube or tunnel conveyor.

Comparing Tubular and Tunnel Pasteurizer Systems

Feature Tubular Pasteurizer System Tunnel Pasteurizer System
Product state Before filling Already sealed in container
Best suited for Juices, pulpy beverages Bottled or canned beer, soft drinks
Contamination risk after treatment Depends on downstream filling hygiene Minimal, since package is already sealed
Key differences between tubular pasteurizer systems and tunnel pasteurizer systems

Choosing the Right System for Your Product Line

Deciding between a tubular pasteurizer system and a tunnel pasteurizer system depends largely on product characteristics and packaging format. Products with pulp, seeds, or higher viscosity generally require tubular treatment before filling, while clear beverages packaged in bottles or cans are commonly better suited to tunnel pasteurization after sealing, which also protects against contamination introduced during filling.

YME Equipment Co., Ltd, a China-based OEM/ODM fluid process equipment manufacturer and brewery equipment supplier with more than 20 years of experience, supplies both tubular and tunnel pasteurizer systems as part of its comprehensive brewery solutions—from brewhouse and fermentation systems to CIP stations and full water treatment. YME's equipment has been exported to Europe, North America, Australia, and Asia, reflecting proven fabrication standards suited to varied packaging lines.

YME's designers, engineers, and production staff combine deep industry experience with continuous advanced training, helping tailor tube configuration or tunnel zone design to a facility's specific product and container requirements.

Frequently Asked Questions

Q1: Which pasteurizer system is better for canned beer?

A1: Tunnel pasteurizer systems are commonly used for canned beer, since the product is already sealed before treatment, which reduces the risk of post-process contamination.

Q2: Can a tubular pasteurizer system handle beverages with pulp?

A2: Yes, the tube-in-tube design is generally better suited to products with pulp or particulates than narrow-channel plate systems.

Q3: Does tunnel pasteurization affect glass bottles or cans?

A3: Tunnel systems use gradual heating and cooling zones specifically to reduce thermal shock, helping protect glass bottles and cans from cracking or seam damage.

Q4: How is the correct pasteurization level confirmed in these systems?

A4: Temperature sensors placed at key points along the tube or tunnel conveyor confirm that the target pasteurization units are reached before product moves to the next stage.

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