Custom Sanitary DTS (Double Tube Sheet) Heat Exchanger

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  • Sanitary DTS (Double Tube Sheet) Heat Exchanger
  • Sanitary DTS (Double Tube Sheet) Heat Exchanger
  • Sanitary DTS (Double Tube Sheet) Heat Exchanger
  • Sanitary DTS (Double Tube Sheet) Heat Exchanger
  • Sanitary DTS (Double Tube Sheet) Heat Exchanger
  • Sanitary DTS (Double Tube Sheet) Heat Exchanger
  • Core Advantages

I. Design Advantages
· U-tube Design: Features a U-tube design, specifically recommended by ASME, with a unique structure that ensures reliable performance.
· Professional Design Support: Leveraging years of heat exchanger manufacturing experience, along with specialized selection software and databases, to ensure precise product selection.
· Expansion Joint-Free Design: An innovative expansion joint-free design reduces the risk of malfunctions and lowers maintenance costs.
II. Performance Guarantees
·High Efficiency and Energy Savings: Optimal design of internal flow velocity strictly controls pressure drop within customer-specified limits, maximizing heat transfer efficiency. Additionally, reasonable design margins are incorporated to enhance processing capacity to a certain extent, meeting the needs of business growth.
·Durability and Safety: The use of forged, thickened, aseptic double-plate tube design significantly enhances safety performance and fatigue strength, ensuring long-term stable operation.
III. Scientific Analysis
・Compliance with Industry Standards: Following TEMA recommendations, fouling factors are applied to every design to ensure the long-term stable operation of the equipment.
·Comprehensive and Precise Analysis: Each design report includes precise pressure points for both tube and shell walls (based on your approved pressure points) and undergoes 100% vibration and resonance analysis. For all multi-pass heat exchangers (straight tubes or U-tubes), precise counter-current and cross-flow analyses are conducted to comprehensively optimize heat transfer efficiency.
・Transparent Calculations: Heat transfer area is calculated only for the straight tube sections; U-bends are excluded from the heat transfer calculations. The calculation method is clear and transparent, providing you with an immediate understanding.

  • Product Features

· Double-tube-sheet design prevents cross-contamination.
· Side-drain design for complete product drainage.
· Designed in accordance with FDA and CGMP requirements, offering flexible design options.
· The product flows through the inner tube bundle on the product side, while the cooling medium flows in the opposite direction through the outer tube bundle. The ends of the heat exchange tube bundle are secured by double-tube-sheets, which also serve as leak detection points to prevent bidirectional cross-contamination between the product and the cooling medium.
· The unit can be installed vertically or horizontally, primarily based on the customer’s space requirements. To facilitate installation, lifting and mounting brackets are pre-welded to the heat exchanger at the factory.
· Designed as a water intake cooler for injection water and pure water systems.
· Heat exchange tubes are made of imported SUS316L stainless steel; the outer diameter of the tubes is designed and manufactured according to user specifications.
· Please contact our company for specific engineering parameters; we can customize designs based on user requirements.

  • Operation and Maintenance Notes

Technical Specifications
I. Process Features
We utilize an advanced hydraulic expansion process to join the tubes and baffles. This method significantly reduces surface damage caused by roller expansion, such as during the quenching process and when the tubes are thinned by expansion. In addition, all of our monolithic bidirectional thin-wall tubes effectively reduce stress at the tube-to-baffle interface, ensuring consistency,
minimizing maintenance time, and extending the service life of the equipment.
II. Pre-shipment Inspection Process
Every heat exchanger undergoes rigorous testing prior to shipment:
· Performance Testing: Hydrostatic testing (to verify equipment stability under fluid pressure), fuel permeation testing with X-ray analysis (to check for fuel leaks and internal structural issues), and computer-verified performance.
· Surface Inspection: Using a surface profilometer to ensure the surface roughness (Ra value) of polished and electropolished surfaces is below 0.25 μm.
· Comprehensive Inspection: Visual and endoscopic inspection, coding, and compliance checks in accordance with TEMA standards.
III. Compliance Standards
· ASME BPE-2005 (American Society of Mechanical Engineers Bioprocess Equipment Standard)
· ASME UM, NBR&R (Relevant Industry Standards)
· Canadian Registration (CRN)
· CE/PED (EU CE Certification and Pressure Equipment Directive)

Equipment Testing, Inspection, and Cleaning
I. Test Items
· Pressure Retention Test: Tests the equipment’s pressure retention performance.
· Drainability Test: Checks whether the equipment can completely drain the internal medium.
· Surface Roughness Test: Measures the surface roughness of the equipment to ensure that the Ra value for mechanically and electrochemically polished surfaces is below 0.25 μm.
· Endoscopic Inspection: Inspect the internal condition of the equipment using an endoscope.
· Pre-Packing Internal Blowout Inspection: Perform an internal blowout inspection prior to packing to ensure the interior is free of debris.
· Computer Functionality Verification: Verify the relevant functions of the computer system.
II. Validation and Standards
· Validation Document Completeness Check: Verify that all relevant documentation is complete.
· Surface Photometer Testing: Measure surface reflectance using a photometer.
· Light and Endoscope Inspection Standards: Comply with TEMA standards.
Other Standards:
Including ASME BEP 2005, ASME U, U, NBR & R; Canadian Registration (CRN), CE/PED.

  • On Demand Customization/Production Features

I. Customization and Strength
· Customization is available. Seamless joints are created using imported equipment, ensuring high strength and a long service life.
II. Pipe Precision
· Bend radii comply with ASME requirements, and pipe contact within U-bends is excellent. (ASME: American Society of Mechanical Engineers)
· Inner surface roughness ranges from 0.3 μm to 0.6 μm (for seamless electrode tubes); for sanitary-grade welded tubes, roughness does not exceed 0.75 μm.
III. Design Standards
· U-tube design fully complies with the ASME BPE 200S standard and adheres to strict QA/QC procedures.
IV. Heat Transfer Design
· Heat transfer area is calculated based solely on the straight pipe sections; U-bends are not included.
V. Structural Advantages
・Forged, thickened, aseptic double-plate design ensures safety and fatigue resistance.
・Expansion joint-free design.

  • Technical Information
Hearting area Design temperature Design pressure Material Vent connection Inter surface finish
1-20M2 143℃ 10bar 304/316L/KFM Tri-Clamp/Flange Ra<0.25<0.4/0.6/0.8um

Dimensions Reference Table
Model Number of U-tubes U-tube diameter Shell diameter Total length (mm) Weight (kg)
HY-SD-09065 9 10  90  1050  56 
HY-SD-11065 11 10  102  1050  75 
HY-SD-19150 19 10  116  1900  90 
HY-SD-21150 21 10  140  1900  115 
About Shiloc
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Shiloc (Shanghai) Industrial Trading Co., Ltd. was established in March 2026. It is a comprehensive trading company specializing in the import and export of goods, technology, and engineering technical services. We are China Sanitary DTS (Double Tube Sheet) Heat Exchanger Manufacturers and Custom Sanitary DTS (Double Tube Sheet) Heat Exchanger Factory. We have an experienced import and export agency team that can provide customers with comprehensive international trade solutions. With professional knowledge and efficient service, we are committed to becoming a trusted international trade partner for our customers.
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Sanitary DTS (Double Tube Sheet) Heat Exchanger Industry Knowledge

Why is the Sanitary DTS (Double Tube Sheet) Heat Exchanger redefining the standards for hygienic heat exchange equipment?

In modern industrial production, heat exchangers may seem like mere auxiliary equipment on the production line, but in reality, they often impact product stability, production continuity, and the company's quality management system. Especially in industries with extremely high requirements for hygiene, safety, and process control, a standard heat exchanger may not be able to meet increasingly stringent production demands.

Therefore, the Sanitary DTS (Double Tube Sheet) Heat Exchanger is gradually becoming a focus of attention in high-standard industrial sectors. It is not just a heat exchange device, but also represents a more reliable concept of production safety.

For companies undergoing equipment upgrades, production line renovations, or overseas projects, choosing a hygienic heat exchange solution that meets future development needs has become a crucial issue.

From "Heat Exchange Efficiency" to "Production Safety," Companies Are Demanding New Requirements for Equipment

In the past, companies typically focused on heat exchange area, heat transfer efficiency, and equipment price when selecting heat exchangers. However, with increasing industry competition and rising quality standards, the safety risks during equipment operation are receiving more and more attention.

In continuous production environments, any abnormal mixing of media, internal equipment contamination, or production downtime can lead to economic losses. Therefore, high-end manufacturing companies are increasingly focusing on whether equipment structure can mitigate risk, rather than simply fulfilling basic functions.

The Sanitary DTS Heat Exchanger was developed to meet this need.

By employing a Double Tube Sheet structure, this equipment adds an extra safety barrier at the design level, providing more reliable isolation and protection between different media. This structural concept is particularly suitable for production processes where contamination risks are unacceptable.

The DTS Double Tube Sheet Design Offers Not Only Protection but Also Long-Term Stability

The core value of the sanitary double tube sheet heat exchanger lies not merely in adding a tube sheet, but in establishing a more comprehensive safety control system within the equipment.

During long-term operation, the heat exchange tube connection area may be affected by factors such as pressure changes, temperature cycling, and material fatigue. The double tube sheet structure helps companies detect potential anomalies earlier and reduce maintenance costs once problems escalate.

For manufacturing companies, this means:

More controllable equipment operation;

More stable production plans;

Easier quality management;

More efficient maintenance processes.

Especially in modern factories with increasingly higher levels of automation, equipment reliability has become a crucial factor affecting overall production efficiency.

Why Is Customization Becoming the Development Direction for Sanitary DTS Heat Exchangers?

Different companies have significantly different production processes, media characteristics, and site conditions, making it increasingly difficult for "one-size-fits-all" equipment solutions to meet actual needs.

For example, even for sanitary heat exchange applications, different customers may face different temperature ranges, pressure conditions, flow requirements, and installation space limitations.

Therefore, professional Sanitary DTS Heat Exchanger manufacturers typically need to adjust the design according to project requirements, including matching heat exchange capacity, material selection, interface configuration, and overall structural optimization.

As a Custom Sanitary DTS (Double Tube Sheet) Heat Exchanger Factory, Shiloc (Shanghai) Industrial Trade Co., Ltd. focuses on providing matching solutions based on the actual project needs of customers, rather than simply providing standardized products.

How Can China's Manufacturing Supply Chain Help Global Customers Reduce Procurement Difficulties?

For overseas customers, procuring industrial equipment involves not only the product itself but also multiple stages such as technical verification, supplier communication, quality coordination, and international logistics.

Many companies don't face the problem of not being able to find equipment, but rather the lack of a partner who understands their technical needs and can coordinate the supply chain.

Shiloc (Shanghai) Industrial Trade Co., Ltd. provides customers with a smoother procurement experience through its professional international trade services. The company has an experienced import and export agency team that can help customers handle process coordination issues in cross-border procurement and, combined with engineering and technical service capabilities, provide customers with more comprehensive solutions.

From product consultation to project cooperation, Shiloc aims to become a trusted Chinese industrial equipment partner for global customers through professional knowledge, efficient communication, and reliable service.

How Will the Sanitary DTS Heat Exchanger Drive Future Industrial Upgrades?

As global manufacturing moves towards high quality, high safety, and intelligence, the importance of sanitary equipment will continue to increase.

Future heat exchange equipment will not only need excellent heat transfer capabilities but also need to meet higher reliability requirements, easier maintenance needs, and stricter hygiene standards.

As a high-hygiene-grade heat exchange solution, the Sanitary DTS Heat Exchanger will continue to serve industries with high production safety requirements.

For businesses, choosing the right heat exchange equipment is not just a purchase, but an investment in future production stability.

Shiloc (Shanghai) Industrial Trade Co., Ltd. will continue to leverage its strengths in international trade, engineering services, and supply chain integration to provide global customers with more professional and efficient Sanitary DTS Heat Exchanger solutions.

FAQ: Sanitary DTS (Double Tube Sheet) Heat Exchanger Frequently Asked Questions

Q1: Why is the Sanitary DTS Heat Exchanger suitable for industries with high hygiene requirements?

A: This equipment uses a double tube sheet structure design, which can improve the isolation reliability between different media and meet the application environment with high production safety requirements.

Q2: Does the Sanitary DTS Heat Exchanger support non-standard customization?

A: Yes. The equipment can be customized according to the customer's process parameters, installation environment, and production needs.

Q3: What factors should be considered when purchasing sanitary double tube sheet heat exchangers?

A: In addition to heat exchange performance, factors to consider include material grade, structural design, manufacturing capabilities, supplier technical support, and after-sales service capabilities.