Blog

An In-depth Study on Fatty Acid Sodium Salt: Structure, Traits and Uses

Fatty acid sodium salt, commonly known as sodium soap, is a typical anionic surfactant formed by the neutralization reaction between fatty acids and sodium hydroxide. It is generally produced through the saponification of natural animal and plant fats or the direct acid-base neutralization of pure fatty acids, representing one of the most widely used organic salt compounds in daily life and industrial production.
The most distinctive feature of fatty acid sodium salt is its amphipathic molecular structure. Each molecule contains a hydrophilic sodium carboxylate head and a hydrophobic long-chain hydrocarbon tail. This unique structure enables it to bridge oil and water, effectively dissolving grease and dirt that cannot be removed by pure water alone. Its physical properties vary with the length of the alkyl chain; longer carbon chains enhance its cleaning and thickening performance, while shorter chains improve its water solubility and foaming ability.
With excellent emulsifying, decontaminating, foaming and wetting properties, fatty acid sodium salt has diverse applications. Domestically, it is the core raw material of traditional hard soap, widely used in daily cleaning products. Industrially, it serves as an emulsifier and stabilizer in textiles, cosmetics and food processing. Food-grade fatty acid sodium salt acts as a safe additive to maintain the stability of mixed ingredients in baked goods and seasonings.
In addition, this compound is environmentally friendly and fully biodegradable in natural environments, causing little pollution to water and soil. Thanks to its low irritation, stable performance and renewable raw materials, fatty acid sodium salt remains an indispensable and cost-effective chemical material in modern daily chemicals and light industry.

October 8, 2026
52S ESS Cold Plate for Reliable Energy Storage Thermal Management

The 52S ESS Cold Plate is an aluminum liquid cooling component designed for standard 52S battery modules in containerized and commercial energy storage systems. It provides efficient thermal management to support stable battery operation and consistent cooling performance.

Efficient Cooling Performance

Manufactured using precision stamping and vacuum brazing, the 52S ESS Cold Plate features optimized internal flow channels that promote uniform coolant distribution and efficient heat transfer. Its low flow resistance helps improve cooling system efficiency under demanding operating conditions.

Under specified test conditions, the cooling plate can achieve a temperature difference of below 2°C, helping reduce temperature variations across battery modules and supporting more consistent battery performance.

Reliable Quality and Customization

Each cooling plate undergoes strict pressure and leak testing to ensure product reliability and sealing performance. The compact structure is designed for integration with mainstream 52S battery packs, while nozzle positions, mounting holes, and surface treatments can be customized according to customer requirements.

Trumony supports the development and mass production of aluminum liquid cooling components for energy storage applications. From prototype samples to volume production, we provide customized cooling solutions to meet different battery pack designs and thermal management requirements.

September 30, 2026

Camlock Fitting Size Guide: How to Choose the Right Size

Choosing the correct Camlock fitting size is essential for creating a reliable fluid transfer connection. A fitting that is too small can restrict flow and increase pressure loss, while an incorrectly matched hose and coupling can lead to leakage, poor performance, or premature component failure.

Camlock fittings, also called cam and groove couplings, are commonly available in standard nominal sizes such as 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″, 3″, 4″, 5″, and 6″. However, selecting a Camlock fitting is not simply a matter of choosing the same number printed on a hose or pipe.

In this guide, we explain how Camlock fitting sizes work, how to measure a hose correctly, and what you should consider before ordering a Camlock coupling.

What Does Camlock Fitting Size Mean?

The size of a Camlock fitting normally refers to its nominal connection size. For example, a 2-inch Camlock coupling is generally designed for a 2-inch nominal hose or piping system.

However, nominal size does not necessarily equal the actual outside diameter of the fitting, hose, or thread.

For example, a 2-inch hose may have an approximately 2-inch internal diameter while its outside diameter is considerably larger because of the hose wall thickness.

Therefore, when selecting a Camlock coupling, it is important to understand the difference between:

Nominal size
Hose inside diameter
Hose outside diameter
Thread size
Actual fitting dimensions

Common Camlock Fitting Sizes

The most common Camlock coupling sizes include:

Nominal Size	Typical Application
1/2 inch	Small fluid transfer lines
3/4 inch	Water, chemical and utility lines
1 inch	General industrial fluid transfer
1-1/4 inch	Medium-flow applications
1-1/2 inch	Industrial hose systems
2 inch	General-purpose industrial transfer
3 inch	High-flow water, chemical and industrial systems
4 inch	Large-volume fluid transfer
5 inch	Large industrial systems
6 inch	High-volume transfer applications

The exact available sizes depend on the fitting type, material, manufacturer, and applicable standard.

Stainless Steel Camlock Couplings

How to Choose the Correct Camlock Fitting Size

Measure the Hose Inside Diameter

For hose applications, the inside diameter (ID) is one of the most important measurements.

Measure the internal opening of the hose rather than measuring only its outside diameter.

For example:

Approximately 1-inch ID hose → consider a 1-inch Camlock
Approximately 2-inch ID hose → consider a 2-inch Camlock
Approximately 3-inch ID hose → consider a 3-inch Camlock

However, always check the hose manufacturer’s actual dimensions before ordering.

Check the Hose Outside Diameter

The outside diameter becomes particularly important when selecting the appropriate hose clamp, ferrule, or crimping system.

Two hoses may have the same internal diameter but different wall thicknesses.

For example:

Hose A: 2-inch ID with a relatively thin wall

Hose B: 2-inch ID with a heavy-duty wall

Both may use a 2-inch Camlock connection, but their outside diameters can be different.

This means the fitting size and hose clamp dimensions should be selected independently.

Aluminum Camlock Couplings

Consider the Required Flow Rate

Larger Camlock fittings generally provide a larger internal flow path.

If the fitting is significantly smaller than the hose or piping system, it can create a restriction.

This may result in:

Higher pressure drop
Reduced flow rate
Increased turbulence
Additional pumping requirements

For high-flow applications, engineers should consider the complete flow path rather than selecting a fitting based only on hose size.

Check the Pipe or Thread Size

If your Camlock fitting connects to a threaded pipe, the nominal pipe size and thread specification must also be confirmed.

Common thread specifications include:

NPT
BSP
BSPT
JIS
Other regional or customer-specific thread standards

A fitting with the correct nominal size can still be unsuitable if the thread standard is incorrect.

For example, NPT and BSP threads should not simply be treated as interchangeable.

Camlock Size vs. Hose Size: Are They Always the Same?

In many standard hose assemblies, the Camlock fitting nominal size is selected to correspond to the hose’s nominal internal diameter.

However, this does not mean that every physical dimension will be identical.

Consider a typical hose assembly:

2-inch hose → 2-inch hose shank → 2-inch Camlock adapter → 2-inch Camlock coupler

The nominal sizes are matched, but the actual dimensions of each component can vary.

This is why purchasing decisions should consider the manufacturer’s dimensional drawings and specifications.

How to Measure a Camlock Fitting

If you already have a Camlock fitting and need to identify its size, measure several dimensions.

Measurement 1: Connection Size

Identify the nominal size marked on the product or packaging if available.

Measurement 2: Hose Shank

For hose-tail Camlock fittings, measure the hose connection area and compare it with the hose’s internal diameter.

Measurement 3: Thread

For threaded Camlock fittings, identify:

Thread type
Thread diameter
Thread pitch
Number of threads per inch where applicable

Do not determine thread compatibility based solely on outside diameter.

Measurement 4: Overall Dimensions

For replacement or OEM applications, compare the complete dimensional drawing.

Important dimensions may include:

Overall length
Coupling diameter
Shank diameter
Thread dimensions
Groove dimensions
Seal dimensions

How Camlock Size Affects Flow

The internal diameter of a coupling can influence system flow.

A smaller flow passage can increase pressure loss, especially when:

Flow velocity is high
Fluid viscosity is high
The hose is long
Multiple fittings are installed
The system contains valves or other restrictions

For water-transfer applications, a larger coupling may be appropriate when high flow is required.

For chemical or petroleum transfer, however, flow requirements must be considered together with material compatibility, pressure, temperature, and hose construction.

Choosing Camlock Size for Different Applications

Water Transfer

Common applications include:

Irrigation
Construction dewatering
Water treatment
Pump connections
Tank transfer

The primary considerations are hose ID, flow rate, working pressure, and connection compatibility.

Chemical Transfer

Chemical applications require more than simply matching size.

You should also confirm:

Chemical compatibility
Temperature
Pressure
Seal material
Hose construction

A correctly sized fitting made from an incompatible material can still fail.

Petroleum and Fuel Transfer

For fuel and petroleum applications, consider:

Hose size
Flow requirements
Material compatibility
Seal compatibility
Pressure rating
Applicable regulations

Agriculture

Agricultural irrigation and spraying systems commonly use quick-connect hose couplings because equipment may need to be connected and disconnected frequently.

Camlock Size Selection Checklist

Before ordering a Camlock coupling, confirm the following:

Hose inside diameter
Hose outside diameter
Required flow rate
Working pressure
Operating temperature
Fluid or media
Camlock fitting type
Thread type, if applicable
Coupling material
Gasket or O-ring material
Required dimensional specifications

What If You Cannot Find the Exact Size?

Standard Camlock sizes cover many industrial applications, but some projects require customized solutions.

Depending on the application, manufacturers may provide:

Special thread configurations
Custom hose shanks
Special materials
Non-standard dimensions
Custom seals
OEM configurations

When requesting a quotation, provide the hose size, connection type, fluid, pressure, temperature, and required quantity.

This gives the manufacturer enough information to recommend a suitable configuration.

Frequently Asked Questions

What is the most common Camlock fitting size?

2-inch Camlock couplings are widely used in industrial fluid transfer, water handling, agriculture, and other general-purpose applications. However, the most appropriate size depends on the hose, flow rate, and system requirements.

Is a 2-inch Camlock fitting exactly 2 inches?

Not necessarily. “2 inch” normally refers to the nominal connection size rather than the exact outside diameter of every component.

Should Camlock size match the hose ID?

In a typical hose assembly, the nominal fitting size is generally selected to correspond with the hose’s nominal internal diameter. Always verify the actual dimensions and manufacturer’s specifications.

Does a larger Camlock fitting provide more flow?

A larger coupling can provide a larger flow path, but actual flow depends on the entire system, including hose diameter, length, fluid properties, pressure, valves, and other restrictions.

Can I use different Camlock sizes together?

Standard Camlock couplings are normally designed to connect within compatible nominal sizes and configurations. If different sizes are required, an appropriate reducer, adapter, or custom solution may be necessary.

Conclusion

Selecting the correct Camlock fitting size is an important part of designing a safe and efficient fluid transfer system.

Do not choose a coupling based only on the number printed on the hose. Confirm the hose inside diameter, outside diameter, flow requirements, pressure, temperature, thread configuration, material, and sealing requirements.

For demanding industrial applications, a dimensional drawing and complete product specification should always be checked before installation.

September 24, 2026

Functions and Structural Advantages of Water Cooling Distribution Plates

A water cooling distribution plate, also known as a liquid cooling manifold, is an important component in liquid cooling systems. It is widely used in EV batteries, energy storage systems (ESS), data centers, power electronics, and industrial equipment.

Its main function is to distribute coolant from a main inlet to multiple cooling circuits and collect the return flow, helping achieve balanced coolant distribution and consistent thermal performance.

How Does It Work?

The distribution plate uses optimized internal flow channels to divide incoming coolant into multiple branches. By controlling flow rate and pressure across different circuits, it helps prevent uneven cooling and localized hot spots.

In a battery thermal management system, for example, one manifold can supply coolant to multiple cooling plates or battery modules, creating a more organized and efficient cooling loop.

Key Advantages

Balanced Flow Distribution

Optimized channels help distribute coolant more evenly across multiple cooling units, improving temperature uniformity.

Low Pressure Drop

Proper hydraulic design can reduce unnecessary flow resistance and improve overall cooling system efficiency.

Reduced Leakage Risk

An integrated structure can reduce the number of pipes, fittings, and connection points, helping minimize potential leakage risks.

Compact Design

Compared with conventional pipe-based distribution systems, an integrated manifold can save installation space and simplify system assembly.

Easy System Integration

The distribution plate can be customized according to the number of cooling circuits, connection positions, flow requirements, and available installation space.

Applications in EV and ESS

As battery packs and BESS platforms become larger and more energy-dense, liquid cooling systems increasingly require reliable flow distribution between multiple cooling units.

A liquid cooling manifold can connect cooling plates, tubes, pumps, and other thermal management components into a coordinated cooling circuit. Its design directly affects flow balance, pressure drop, system reliability, and maintenance convenience.

For large-scale ESS applications, modular manifold designs can also simplify installation and support easier inspection or replacement of individual cooling components.

Trumony Liquid Cooling Solutions

At Trumony, we provide customized aluminum cooling plates, liquid cooling manifolds, cooling tubes, and related thermal management components for EV, ESS, and other high-power applications.

Our engineering approach considers thermal performance, flow distribution, pressure drop, leak tightness, structural strength, dimensional accuracy, and system integration.

As liquid cooling continues to evolve, the distribution manifold is becoming more than a simple coolant splitter. It is an essential part of building a compact, reliable, and efficient thermal management system.

September 24, 2026
Axial Fans for Dry Coolers & Cooling Towers: Efficiency in Harsh Outdoor Conditions

Dry coolers and cooling towers are typically installed outdoors on rooftops, equipment platforms, or at industrial facilities

Outdoor Cooling Equipment Places Greater Demands on Fan Performance

Dry coolers and cooling towers play an important role in rejecting excess heat from data centers, industrial refrigeration systems, energy centers, process cooling applications, and large commercial buildings.

A dry cooler uses ambient air flowing across a finned heat exchanger to cool the circulating fluid inside the system. A cooling tower removes heat through the combined movement of air and heat exchange with circulating water. Although the two types of equipment differ in structure and operating principle, both depend on continuous and reliable airflow. Axial fans provide the driving force required to move air through the heat exchange area.

Unlike ventilation equipment installed indoors, dry coolers and cooling towers are typically located on rooftops, equipment platforms, or open outdoor sites. Their fans may be exposed to high summer temperatures, freezing winter conditions, rain, humidity, dust, crosswinds, and prolonged sunlight. Some industrial applications may also involve corrosive atmospheres, frequent start-stop cycles, or continuous year-round operation.

For this reason, fan selection should not be based on rated airflow alone. The ability to operate reliably under changing environmental conditions, while working effectively with the heat exchanger, fan housing, and control system, is often more important over the equipment’s service life.

Why Axial Fans Are Commonly Used in Dry Coolers and Cooling Towers

Dry coolers and cooling towers generally require high airflow volumes. Most of the system resistance comes from finned coils, fill media, louvers, protective guards, and the internal structure of the equipment.

Axial fans move air in a direction parallel to the fan shaft. Their compact construction, shallow installation depth, and ability to move large volumes of air make them well suited for installation above or beside heat exchangers, as well as within modular fan housings.

For larger cooling systems that use multiple fans in parallel, axial fan configurations also support modular equipment design and more convenient maintenance.

Schematic of airflow paths and axial fan operation in dry coolers and cooling towers

However, selecting a suitable fan involves more than comparing catalogue performance data.

The distance between the fan and the heat exchanger, the clearance between the impeller and the fan housing, restrictions around the air inlet, and the possibility of exhaust air recirculation can all affect actual airflow and heat rejection performance.

If airflow is concentrated in only part of the heat exchanger, some sections of the coil or fill media may not be used effectively. If warm discharge air is drawn back into the equipment, cooling capacity may decline even when the fan continues to operate at a relatively high speed.

The fan, housing, inlet grille, and heat exchanger should therefore be considered as one complete air-moving system. Well-designed airflow distribution is often more valuable than simply increasing motor power.

More Airflow Is Not Always Better

Cooling demand in dry coolers and cooling towers is rarely constant.

Outdoor temperature, the number of operating units, process heat loads, supply and return water temperatures, and system setpoints can all change throughout the day and across different seasons.

During hot summer conditions, the equipment may require a higher airflow rate. In cooler weather or during periods of reduced demand, operating every fan continuously at full speed can result in unnecessary energy use and higher noise levels.

If the fan is undersized, the heat exchanger may not receive enough airflow. As a result, the circulating fluid temperature may rise and the cooling system may operate under greater load.

An oversized fan, on the other hand, may increase initial cost, operating noise, and energy consumption without providing a meaningful improvement in system performance.

A more effective approach is to determine the fan duty point according to the resistance of the heat exchanger, the required airflow, and the expected operating range. Appropriate allowances should also be made for high ambient temperatures, dirt accumulation, crosswinds, and other adverse conditions.

The objective is not to select the fan with the highest airflow rating, but to select one that matches the actual system requirements.

EC Speed Control Allows Cooling Capacity to Follow Demand

Traditional fixed-speed fans often regulate cooling capacity through on-off operation or staged fan control. When system demand moves between control stages, this approach may lead to temperature fluctuations, frequent switching, and noticeable changes in noise.

EC axial fans can be integrated with control systems to adjust operation according to cooling demand

EC fans allow speed to be adjusted continuously according to temperature, pressure, or cooling load.

At lower loads, the fan speed can be reduced to limit unnecessary energy consumption. As ambient temperature or system demand increases, airflow can be raised gradually so that cooling output remains aligned with actual operating requirements.

In dry coolers and cooling towers equipped with multiple fans, EC technology also enables more flexible control strategies.

Several fans can operate simultaneously at reduced speed to provide more even airflow across the heat exchanger. Fans can also be controlled by section or operating zone according to changes in load.

Compared with running only a small number of fans at high speed, this approach can help reduce local airflow variation and limit the mechanical and electrical stress associated with frequent start-stop operation.

Where communication interfaces are available, the fans can also be integrated into the equipment control system. This allows fan speed settings, operating status, and fault information to be monitored centrally, providing useful data for maintenance and system management.

Outdoor Applications Require Greater Attention to Protection and Reliability

Fan selection for harsh outdoor environments should begin with the actual installation conditions.

Outdoor axial fans must withstand rain, humidity, dust, and temperature fluctuations

In hot climates, the permitted ambient temperature of the motor and electronic components must be checked carefully. In cold regions, low-temperature starting, snow accumulation, and icing should be considered.

For coastal or high-humidity locations, attention should be given to the corrosion resistance of the impeller, guard, fasteners, motor housing, and surrounding structural components.

Rainwater and dust are equally important considerations. Fans and electrical connections should provide a level of protection appropriate for the installation environment. Wiring, controllers, and sensors should also be positioned to avoid long-term exposure to standing water or contamination.

For equipment intended to operate continuously throughout the year, bearing life, motor protection, vibration monitoring, and maintenance access all influence long-term reliability.

A fan that is difficult to remove or inspect may increase downtime during cleaning, servicing, or replacement, even when its initial performance is suitable.

Multi-fan systems should also include adequate service access and provisions for isolating individual fans, allowing maintenance work to be carried out without unnecessarily shutting down the complete cooling system.

From Individual Fan Performance to Overall System Efficiency

A fan solution for a dry cooler or cooling tower should not be assessed only by its airflow, power input, or sound level at a single rated operating point.

Under real operating conditions, the equipment may be affected by heat exchanger fouling, changes in ambient temperature, natural wind, and fluctuating cooling loads.

The suitability of a fan solution can only be evaluated properly when fan performance, airflow distribution, control strategy, and maintenance conditions are considered together.

During the design stage, engineers can select the appropriate impeller size, installation arrangement, and control method according to the resistance of the heat exchanger and the structure of the equipment.

During operation, fan speed can be adjusted according to fluid temperature and system load, reducing the need for prolonged full-speed operation.

Fan manufacturers such as Blauberg continue to develop solutions around axial impeller design, EC drive technology, and communication-based control, providing more flexible options for dry coolers, cooling towers, and other heat rejection equipment.

Dry coolers and cooling towers may operate behind the scenes, but they directly influence the efficiency of primary equipment, process stability, and long-term operating costs.

In environments affected by heat, cold, humidity, and dust, the role of the axial fan goes beyond simply moving air. It must provide the airflow required by the heat exchanger consistently and reliably over time.

By considering aerodynamic matching, demand-based speed control, outdoor protection, and maintenance requirements as part of one complete system, cooling equipment can operate more reliably and efficiently under challenging outdoor conditions.

September 23, 2026
Structural Design and Performance of Flat Roof PV Mounting Systems

Flat roof PV mounting systems are specialized structural solutions designed to install photovoltaic panels on low-slope commercial and residential rooftops. Unlike traditional sloped roof brackets, these flexible racking structures adapt to nearly horizontal roof surfaces, making them the mainstream choice for solar projects on warehouses, office buildings and modern residential flats.
Most flat roof mounting systems adopt ballasted non-penetrating designs, which rely on gravity weights to fix the brackets without drilling or damaging the roof waterproof layer. This core advantage effectively avoids leakage risks and preserves the original roof warranty, greatly reducing hidden dangers for long-term building operation. Meanwhile, the modular structure enables fast and convenient installation, cutting construction time and labor costs significantly.
The system features highly flexible adjustability. Installers can freely set the panel tilt angle from 10 to 30 degrees and optimize orientation according to local latitude and sunlight conditions. This customizable layout maximizes solar radiation absorption and boosts power generation efficiency. In addition, the reasonable low-profile design enhances wind resistance, ensuring stable operation even in harsh weather conditions.
With outstanding space utilization, structural safety and cost performance, flat roof PV mounting systems fully meet the demands of large-scale distributed solar power generation. They balance energy output, building protection and economic benefits, playing a vital role in promoting clean energy popularization and sustainable architectural development.

September 22, 2026
Properties and Eco-Friendly Applications of Biodegradable Surfactant Powder

Biodegradable surfactant powder is an eco-friendly surface-active agent derived mainly from natural plant-based raw materials, such as coconut oil, palm oil and glucose. Unlike traditional chemical surfactants that persist in the environment, this powdered product can be completely decomposed by microorganisms in soil and water after use. It has become a core green material replacing conventional synthetic surfactants in modern cleaning, cosmetic and industrial fields.
The powder features excellent surface activity and stable physical properties. It can effectively reduce water surface tension, produce rich and fine foam, and achieve outstanding decontamination, emulsification and wetting effects. Its powdered form offers obvious advantages over liquid surfactants, including easier storage, lower transportation costs and longer shelf life. It is also highly compatible with other raw materials, making it suitable for diversified product formulation.
The most valuable characteristic of biodegradable surfactant powder is its environmental safety. It contains no harmful phosphorus, heavy metals or toxic residues, and will not cause eutrophication or ecological pollution. During natural degradation, it breaks down into carbon dioxide and water without damaging aquatic ecosystems or soil environments. Additionally, it is mild and non-irritating to human skin, greatly improving the safety of daily cleaning products.
With the growing global emphasis on environmental protection and sustainable development, biodegradable surfactant powder is widely used in laundry detergents, dishwashing powders, personal care products and industrial cleaning agents. Balancing powerful cleaning performance and environmental friendliness, it has become an essential raw material for green manufacturing and continues to promote the upgrading of low-carbon chemical industries.

September 20, 2026
Inline Duct Fans for Residential and Commercial Ventilation: Better Indoor Air Quality and Lower Energy Use

Airtight Buildings Need Well-Designed Ventilation

As buildings become better insulated, quieter, and more airtight, less air is exchanged naturally through gaps around windows and doors. In homes, moisture, odors, and carbon dioxide may build up in bathrooms, walk-in closets, and storage rooms. Similar issues can occur in offices, meeting rooms, retail spaces, and service rooms as a result of occupancy and everyday activities.

Improving indoor air quality cannot depend solely on opening windows or running fans continuously at high speed. Natural ventilation is affected by outdoor weather, noise, and air quality, while excessive mechanical ventilation may increase electricity consumption, system noise, and heating or cooling loads.

A more practical approach is to establish a stable and controllable airflow path based on the function of each space and its actual ventilation demand.

Inline duct fans are installed within ductwork and can be used for supply air, extract air, or general air movement. They can be connected to one or more air terminals and installed above suspended ceilings, in service areas, or in other concealed locations. This makes them suitable for centralized residential extract systems and small to medium-sized commercial ventilation applications.

It is important to note that an inline duct fan is only the air-moving component of a ventilation system. Indoor air quality also depends on the position of outdoor air inlets and exhaust points, supply and extract airflow rates, airflow direction, filtration, and regular maintenance. Installing an extract fan alone is not the same as providing a complete mechanical ventilation system with outdoor air supply.

Residential and Commercial Inline Duct Ventilation Applications

Actual Airflow Depends on System Resistance

The maximum airflow stated on a fan nameplate or in product documentation is normally measured under specified test conditions. It does not necessarily represent the actual airflow after the fan is connected to a duct system.

As air moves through ductwork, it must overcome resistance created by duct length, elbows, transitions, dampers, grilles, filters, silencers, and other components. As system resistance increases, the actual operating point may move further away from the published maximum airflow.

For this reason, an inline duct fan should not be selected solely by its connection diameter or maximum airflow rating. The required design airflow, total system pressure loss, and the fan performance curve should all be considered.

Common inline duct fan designs include mixed-flow and centrifugal configurations. Mixed-flow fans generally combine useful airflow and pressure capability in a compact design, making them suitable for many circular duct systems with moderate resistance.

Centrifugal inline fans typically provide greater pressure capability and are often better suited to longer duct runs, systems with multiple bends, or applications that include filters and other resistance-producing components. The final selection should always be based on the required operating point rather than the fan type alone.

Inline Duct Fan Design and Airflow

Blauberg’s inline duct fan range covers both circular and rectangular duct systems, with mixed-flow, centrifugal, EC-driven, and acoustically insulated configurations available. These options allow the fan to be matched to project requirements for airflow, static pressure, installation space, and control.

Ventilation Requirements Vary by Application

In residential buildings, inline duct fans can be used for bathroom extract, moisture removal, and the ventilation of walk-in closets and storage rooms. A single fan may also serve several bathrooms or auxiliary spaces as part of a centralized extract system.

Residential applications usually place greater emphasis on nighttime noise, compact installation, low-airflow operation, and convenient maintenance access.

In kitchens, general room ventilation must be distinguished from grease-laden cooking exhaust. Standard inline fans intended for comfort ventilation should not be used directly for airstreams containing grease, elevated temperatures, or highly corrosive substances.

Where grease, high temperatures, or corrosive gases are present, the fan, ductwork, and cleaning and maintenance strategy must be selected specifically for those operating conditions.

Commercial buildings often experience wider variations in occupancy and operating hours. Offices and meeting rooms may require ventilation rates that respond to the number of occupants. Retail stores and training spaces need to accommodate changing visitor levels, while washrooms, stockrooms, and service rooms may require continuous extract or odor control.

Standard comfort-ventilation products should not be applied directly to industrial dust, flammable or explosive atmospheres, high-temperature air, or highly corrosive airstreams. Such applications require equipment selected according to the characteristics of the conveyed air, applicable safety requirements, and the necessary protection rating.

EC Speed Control Supports Demand-Controlled Ventilation

Traditional duct fans often operate at a fixed speed or with only a limited number of speed settings. When ventilation demand is low, maintaining a high airflow may waste electricity and increase heating or cooling losses. When occupancy or humidity rises, a fixed airflow may no longer be sufficient.

EC motors use electronic commutation and allow fan speed to be adjusted in response to a control signal. When the fan and control system are properly selected, airflow can be reduced during low-demand periods and increased when ventilation demand rises.

When humidity, carbon dioxide, or other indoor air quality sensors are integrated into the system, fan speed can be adjusted according to predefined setpoints. For example, extract airflow can increase when bathroom humidity rises, ventilation can be boosted as more people enter a meeting room, and airflow can be reduced during unoccupied periods.

The purpose of demand-controlled ventilation is not to operate the fan continuously at full speed, but to provide the required airflow while avoiding unnecessary overventilation.

Constant-airflow or constant-pressure operation also requires suitable sensors, controllers, and control logic. These functions cannot be achieved simply by using an EC motor. EC technology provides the basis for continuous speed control, but the overall energy performance of the system still depends on the fan operating point, duct resistance, control strategy, and operating hours.

Low-Noise Operation Depends on the Whole System

Installing an inline duct fan away from occupied areas can reduce the direct impact of fan noise, but it does not guarantee a quiet ventilation system.

Actual sound levels are also affected by fan speed, operating point, duct dimensions, air velocity, bend locations, structural vibration, and the design of grilles and diffusers.

Undersized ducts, excessive air velocity, sharp bends close to the fan inlet or outlet, and abrupt changes in duct cross-section can all generate additional aerodynamic noise. An oversized fan that is heavily throttled with dampers may also create unnecessary energy consumption and noise.

During installation, the inlet and outlet conditions recommended by the manufacturer should be maintained wherever possible. The fan should be securely supported, with vibration-isolating connections used where necessary. Adequate access should also be provided for cleaning, inspection, and component replacement.

In systems located close to bedrooms, hotel rooms, or office areas, acoustically insulated fan housings or silencers may be used where appropriate. However, these measures cannot compensate for incorrect airflow calculations or unsuitable duct sizing.

Moving from Fan Selection to System Matching

Inline duct fans provide a flexible solution for moving air through residential and commercial buildings, but ventilation performance is not determined by the fan alone.

The design process should begin by defining the function of the space and its ventilation requirements. The duct-system resistance can then be calculated so that the required airflow, static pressure, acoustic performance, and control method can be specified.

For applications with long operating hours or significant load variation, EC speed control and sensors can be used to adjust fan output as demand changes. For simpler spaces with predictable usage patterns, adding an unnecessarily complex control system may offer limited practical benefit.

Fan selection, duct layout, controls, installation, and maintenance all influence the final performance. Matching the fan operating point to the actual system helps improve the indoor environment while keeping ventilation energy use under reasonable control.

September 18, 2026
587 ESS Cooling Plate: Key to Stable Energy Storage Operation

As energy storage systems continue to move toward higher capacity and energy density, effective thermal management is becoming increasingly important for battery safety, performance and long-term reliability.

Designed specifically for 587Ah large-capacity prismatic battery cells, the 587 ESS Cooling Plate provides an efficient liquid cooling solution for commercial, industrial and utility-scale energy storage systems. By controlling battery temperature and improving temperature uniformity, it helps ESS modules maintain stable performance during demanding charge and discharge cycles.

Designed for 587Ah High-Capacity Battery Cells

The 587 ESS Cooling Plate is manufactured from AL3003MOD aluminum alloy, combining high thermal conductivity with lightweight construction, mechanical strength and corrosion resistance.

The cooling plate is produced using precision stamping and high-temperature vacuum brazing technology. This integrated manufacturing process provides a robust structure and reliable sealing performance, making the plate suitable for continuous operation in demanding ESS environments.

Its internal coolant channels are carefully designed to promote uniform coolant distribution across the heat-transfer surface, improving heat removal and minimizing localized temperature accumulation.

Excellent Temperature Uniformity

For large-capacity battery modules, maintaining consistent cell temperature is critical to overall system performance.

The 587 ESS Cooling Plate is designed to maintain a temperature difference of less than 2.1°C under specified test conditions. Improved temperature uniformity helps reduce thermal gradients between cells, supporting more consistent battery operation and helping mitigate temperature-related performance degradation over extended operating cycles.

By providing efficient and balanced heat dissipation, the cooling plate contributes to the overall thermal stability and reliability of the battery module.

Reliable Quality and Flexible Integration

To ensure cooling plate reliability, Trumony applies strict quality control procedures, including helium leak detection and pressure testing to verify sealing integrity.

The cooling plate can also be customized according to different battery module and ESS integration requirements, including:

· Inlet and outlet positions

· Flow channel configuration

· Overall dimensions

· Interface structure

· Surface insulation coating

· Mounting features

This flexibility allows the 587 ESS Cooling Plate to be integrated into different large-capacity battery module designs.

A Reliable Cooling Solution for Large-Scale ESS

Combining AL3003MOD aluminum alloy, optimized coolant channels, precision stamping and vacuum brazing, the 587 ESS Cooling Plate provides a practical balance of thermal performance, structural reliability and integration efficiency.

For 587Ah battery modules and large-scale ESS applications, reliable liquid cooling can help maintain temperature consistency, support stable battery operation and improve long-term system reliability.

Trumony provides customized liquid cooling solutions for high-capacity battery modules and energy storage systems, from cooling plate design and tooling to prototyping and mass production.

September 16, 2026
Plant-Based Sodium Fatty Acids: Features and Sustainable Values

Vegan sodium fatty acid refers to plant-derived sodium salts of fatty acids, a sustainable and cruelty-free alternative to traditional animal-based counterparts. Unlike conventional versions sourced from animal fats, this ingredient is exclusively extracted from renewable vegetable oils such as coconut, palm, and sunflower oils, making it fully compliant with vegan and vegetarian standards. It has gained massive popularity in clean beauty, food manufacturing, and daily chemical industries in recent years.
This plant-based ingredient boasts outstanding functional properties. It acts as a mild surfactant, emulsifier, and stabilizer with excellent cleansing and foaming abilities. It can effectively remove skin sebum and surface pollutants while maintaining gentle texture, avoiding irritation to human skin and hair. Besides, it features great water dispersibility and formulation compatibility, blending well with various raw materials to stabilize product texture and extend shelf life.
Environmental friendliness is its core advantage. Vegan sodium fatty acid is non-toxic, biodegradable, and leaves no persistent chemical residues in nature, far more eco-friendly than synthetic chemical surfactants. It is widely applied in vegan soaps, skincare creams, hair care products, and healthy food additives, meeting the growing market demand for green and ethical consumer goods.
In conclusion, vegan sodium fatty acid combines practical functionality, plant-based sustainability, and environmental safety. As consumers prioritize cruelty-free and eco-friendly products, it will continue to be an essential ingredient driving the upgrade of green industrial formulations.

September 15, 2026