Medium Pressure Backward Curved Impeller Fan Range from VORTICE

VORTICE Medium Pressure Backward Curved Impeller Fan Range

In the field of industrial ventilation, Casals has established itself as a reliable and trusted manufacturer of high-quality ventilation equipment. Among its range of industrial fans are the Nimus and Nimax, two models that have proven their efficiency and effectiveness over time. In this blog post, we will explore the features and benefits of these two fans and highlight their contribution to improving the ventilation performance of industrial processes.

The Nimus and Nimax fans come in a range of sizes, capable of moving air volumes of up to 58,000 m3/hr, either by suction or impulsion, thanks to their high-performance, backwards-curved impellors and centrifugal design. They are optimised for moving clean or dusty air of up to 130oC, in environments of up to 60oC, making them ideally suited for applications such as spray booth extraction, smoke extraction, and air renewal in large buildings.

Each fan’s impellor is subjected to a rigorous balancing process, ensuring noise and vibrations are kept to an absolute minimum. Both the Nimus and Nimax range come in 16 different orientation options, making them ideal for any ducting arrangement. These fans may also be customised to suit any installation requirements, with options including additional cooling wheels, heat-resistant enamel paint coating for improved performance at high temperatures, and fully welded housings for improved water tightness.

VORTICE would be happy to work alongside you for specific applications and to work together to produce a fan to the requirements of the installation. Should you want to know more about the ranges of industrial fans we offer please visit out website at to download the Nimus and Nimax Range Leaflet  or email .

Take a look at the history behind VORTICE Industrial range of products here:

VORTICE would be happy to work alongside you for specific applications and to work together to produce a fan to the requirements of the installation. Should you want to know more about the ranges of air handling units VORTICE offers please download the Vortice Air Handling Units and Heat Recovery Systems Brochure or email .

The Air Handling Unit range from VORTICE

The Air Handling Unit range from VORTICE

VORTICE is the leading manufacturer of ventilation and air conditioning systems, with over 60 years of experience in the industry. The company, based in Milan, Italy has a global presence, with subsidiaries in many countries around the world.

VORTICE products are designed to meet the needs of a wide range of industries, including manufacturing, agriculture, food production and construction.

The most common VORTICE air handling unit is the CTAE range which is suitable for most applications, is highly configurable and each unit is designed on the specific requirements of the customer. CTAE units can be configured to satisfy the requirements for hospitals and pharmaceutical applications.


Other ranges that are available for more specialist applications are:

STEELCLEAN – Hygienic Air Handling Units for Hospital and Pharmaceutical Sector


Includes a fully welded stainless steel drain pan and plug fans.

PROCLEAN – Hygienic air handling units for the food industry made with a completely self supporting glass-fibre reinforced structure.


AIR CLEAN – Sanitary units in a vertical configuration with double thermal break profiles and panels


Take a look at the history behind VORTICE Industrial range of products here:

VORTICE would be happy to work alongside you for specific applications and to work together to produce a fan to the requirements of the installation. Should you want to know more about the ranges of air handling units VORTICE offers please download the Vortice Air Handling Units and Heat Recovery Systems Brochure or email .

Car Park Extraction and CO detection

Car Park Extraction and CO detection

VORTICE is continuing its development process on its existing product range of axial and centrifugal fans including, material handling, smoke rated and ATEX. VORTICE is now pleased now to include Jet Fans in its range of fans produced by VORTICE group company Casals Ventilation.

Carbon monoxide (CO) is a colourless, odourless gas produce when fuels such as gasoline, propane, and oil are burned. It is an extremely toxic gas that can even cause death when allowed to build up to dangerous levels. Multi-storey and underground car parks are at particular risk of CO build-up due to the number of cars that can be present in the space.

    To solve the issue of CO build-up in car parks, it is critical that these spaces are adequately ventilated.

    This is achievable by installing fans that move fresh air into the space, while pushing out contaminated air that has a significant CO content.

    Natural ventilation may also be used to assist in diminishing CO levels. VORTICE offers a range of fans suitable for this purpose, as part of the Casals range of process fans. These include fans located within the car park itself, or roof mounted with ducting to service the space. These fans are also able to double as smoke fans in the event of a fire.

    The Casals range can be used in conjunction with the CO-MASTER and CO-SENS accessories.

    This allows the CO concentration in a space to be measured and for fans to be switched on automatically when the ppm exceeds a set threshold. This allows for more efficient air renewal in a space, with the CO-MASTER being able to activate fans in specific zones, to avoid fans being used where unnecessary.

    CO Master and CO Sens

      Overall, it is crucial to take the necessary steps to prevent the build-up of CO in car parks to ensure the safety of those who use them. Through proper use of ventilation and sensors, the danger of CO in car parks can be reduced to the benefit of all.

      VORTICE would be happy to work alongside you for specific applications and to work together to produce a fan to the requirements of the installation. Should you want to know more about the ranges of industrial fans we offer please visit our catalogues page to download The Jet Fan Brochure or email .

      What do the new Building Regulations changes mean for ventilation?

      What do the new Building Regulations changes mean for ventilation?

      Let us simplify it for you!

      The new Building Regulations comprises of five new Approved Documents, including changes to Part F (ventilation) which will come into effect from 15th June 2022.
      The significant update provides an uplift to existing energy efficiency standards for homes and marks a stepping stone towards the introduction of the Future Homes Standard in 2025.

      So what are the main changes?

      The system names have changed

       Systems 1, 3 and 4 have been removed. The systems are now known as:

      • Natural ventilation with background ventilators and intermittent extract fans (formerly system 1)
      • Continuous mechanical extract ventilation (formerly system 3)
      • Mechanical ventilation with heat recovery (formerly system 4)

      There has been structure changes to the documents

      • There is a new regulation – Approved Document O – Overheating
      • ADF has now been split into volume 1 – Dwellings and Volume 2 – Buildings other than Dwellings
      • All compliance guides are now obsolete and incorporated into the approved documents
      • A Home User Guide for new dwellings should be provided

      Background ventilation has changed

      • Background ventilation is now worked out as equivalent area (mm2)
      • Continuous Mechanical Extract trickle vents should now provide 4000mm2 EA in each habitable room (previously 2500mm2 FA)
      • For existing homes all replacement windows should be fitted with trickle vents

      Design air permeability has changed

      The guidance has split homes into two categories – Less Airtight Dwellings and Highly Airtight dwellings. Highly airtight dwellings have to achieve one of the following:

      a. A design air permeability lower than 5m3/(h/m2) at 50Pa.

      b. An as-built air permeability lower than 3m3/(h/m2) at 50Pa

      Rates have increased for bedrooms

      • The ventilation rate for the bedrooms has now increased
      • Additions for additional occupants on ADF2010/13 has been removed
      • Still take the higher of the two calculations as the whole dwelling ventilation (trickle) rat

      The new Building Regulations approved documents can be found here:

      Should you require any further information on these changes one of our technical team would be happy to assist and offer guidance and advice. Simply email  or call on 01283 492949 today!

      The VORTICE air solutions brochure can be found here Air Solutions Brochure 

      Returning to the public washroom

      Do you feel safe in public washrooms post-pandemic?

      VORTICE believes one of the main factors in reducing the spread of COVID-19 is sanitisation. The main element in reducing the spread of COVID-19 in public washrooms is by means of using antibacterial gel, soap dispensers and hand dryers. During the pandemic many reports and analyses have been completed on SARS-CoV-2 and COVID-19 and there are two key findings:

      The first is how important it is to wash your hands. Results have shown that nearly 95% of adults did not wash long enough to thoroughly clean bacteria and viruses from their hands. (See related article here: Proper Handwashing — and Drying — Is the No. 1 Way to Prevent Spread of Contagious Disease!)

      The second is the importance of ensuring the hands are dried correctly. Studies have suggested that on average people have spent 22.5 seconds drying their hands and 45% of people have simply dried their hands on clothing to finish drying! (This is how many germs are lurking in YOUR bathroom, and you’ll be horrified at the dirtiest spot)

      The World Health Organisation says:

      To protect yourself against the new coronavirus, you should frequently clean your hands with an alcohol-based hand rub or wash them with soap and water. Once your hands are cleaned, you should dry them thoroughly by using paper towels or a warm air hand dryer. 

      VORTICE understands the importance of hygiene in the public washroom and offers the following products:

      The S+G soap dispenser which allows the user to adjust the specified amount of soap and gel thus allowing no touching of the unit. There is also the VORT Super Dry which includes a UV germicidal lamp which not only dries but also sanitises the hands to ensure maximum hygiene and safety for the user.

      The new UVLOGIKA environmental sanitiser lamp effectively disinfects surfaces.

      Tests have shown that in just 8 minutes of exposure, 99% of bacteria and viruses tested and present on a surface located 2 metres from the lamp were eliminated (COVID-19).

      The main element we can take from the mass of findings relating to COVID-19 is that many public washrooms are probably safer now than in pre pandemic days. Washing your hands and drying hands is paramount to stop the spread (NHS have detailed information on how to wash hands effectively – see here however having the correct product range within the public washroom is also fundamental.

      The VORTICE air solutions brochure can be found here Air Solutions Brochure 

      The BD Range of Low Pressure Centrifugal Fans

      BD Series of low pressure centrifugal fans

      The forward curved double inlet centrifugal fans are commonly known in the industry as “Inch Blowers” as the impeller is nominally dimensioned by diameter and length: (E.g. the BD- 10/08 has a nominal 10 inch diameter and 8 inch long impeller)

      The BD series of forward curved centrifugal fans construction is of a galvanised steel scroll with the impeller in sizes 7/7, 9/9,10/10 and 12/12 and each is produced from Polyamide reinforced with glass fibre with larger sizes in galvanised steel.

      The fan/motor are rated to IP55 protection for dust and water ingress. Incorporated into the fan construction are anti-vibration pads which are used on the motor and on the arms to the side plate of the scroll to avoid any vibration and to enable full compliance with “ROHS regulations 2002/95/EC (Restriction of Hazardous Substances in Electrical and Electronic Equipment) .

      As standard the BD Fan range is speed controllable by voltage variation, and our REGA range of speed controllers is available on request. Outlet flanges are also available if required.

      Product Range

      The range is produced in AC voltages, (single phase in 7/7, to 10/10 size, the 12/9 and 12/12 is available in single and 3 phase finally the BD15/15 is 3 phase only) temperature rated to 50C for the single-phase fans and 60C for the 3 phase options.

      There is also a range of electronically commuted (EC) BD products called the BD EEC range. This range can run above synchronous speed, dependent on the model at up to 2000rpm to provide higher pressure and airflow for a given size AC equivalent. Speed controllable by either 0-10V DC or PWM (Pulse Width Modification) they also provide an energy efficient solution.


      The BD fan series is used in diverse settings including:

      • Attenuated cabinet fans
      • Air handling units
      • Kitchen ventilation
      • Warm air heaters
      • Special effects for film, television and market
      • Inflatable products and buildings

      The range is now available to purchase online here.

      We would be happy to work alongside you for specific applications and to work together to produce a fan to the requirements of the installation. Should you want to know more about the ranges of industrial fans we offer, please download our product catalogue or email .

      Making your home healthier with Heat Recovery Ventilation

      Making your home healthier with Heat Recovery Ventilation

      Did you know that the average person spends 90% of their time indoors and indoor air can be up to 50 times more polluted than outdoor air?

      VORTICE offers a whole collection of heat recovery units specifically designed to assist with good air quality and filtration whilst ensuring the best of energy efficiency features. Government advisors have been reiterating the important role that ventilation plays in our health during the recent pandemic and the VORTICE heat recovery systems can certainly impact upon the quality of indoor air in the home.

      So what is Heat Recovery?

      A continuous mechanical ventilation unit with heat recovery (MVHR) (often referred to as a domestic heat exchanger) is usually positioned in a loft or cupboard space. An integral heat exchanger sends warm fresh air to the ‘dry’ rooms (living room, bedrooms etc.) via duct work and extracts the stale warm moist air from ‘wet’ rooms (bathrooms, kitchen, en-suites etc.) through a second set of duct work.

      This will however only work if your home is suitable, and by suitable VORTICE means that the building needs to be well insulated and as airtight as possible. The fewer air leaks in the fabric of your home, the better the heat recovery unit will work.

      What are the benefits of Heat Recovery?

      MVHR is becoming a very popular ventilation option for many homes due to the air tightness of new dwellings. There are a raft of benefits to installing an MVHR unit but these can only be achieved when the installation has been carried out correctly. Here are some of the benefits of installing an MVHR unit:

      1. Cost savings
      2. Lowering heating bills
      3. Creating a fresh air path throughout your home
      4. Eliminating excess moisture out of the building

      “In many homes, installing an MVHR system has major benefits. MVHR will supply your home with fresh air while also recovering heat that is usually lost and creating a healthier living environment as well as savings on your heating bills” – Jennifer Quinn Marketing Manager

      Design and Install

      VORTICE has put together a 10 point MVHR checklist for installers and contractors to go through to ensure the system is being installed correctly. Check out the MVHR checklist here

      Whilst it is important to have a unit that is incredibly efficient, the system is only as good as the design and installation. Without these crucial elements the unit may fail and become ineffective, resulting in costs to repair.


      MVHR systems require 2 filters (1 for intake and 1 for extract). These filters protect the system’s heat exchanger and fans from blocking up with dust and other airborne particles and debris. This results in a significant improvement in the internal air quality of a home. 

      VORTICE offers different grades of filters which capture particles of different sizes. It is imperative the filters are cleaned every 3 months and replaced every 12 months to ensure optimal performance of the system.

      Industrial Fans with EC Technology

      Industrial Fans with EC Technology

      VORTICE are continuing their development process on their existing product range of axial and centrifugal fans including, material handling, smoke rated and ATEX. VORTICE are now pleased now to include in their range a new series of EC Plug fans produced by VORTICE group company Casals Ventilation.

      What is EC Terminology

      What does EC stand for?

      It means Electronically Commutated combining AC and DC Voltages. The motor is essentially a brush less DC motor and the technology onboard the fan provides the ability to supply the fan with an AC supply. The onboard electronics transforms and rectifies this to the DC supply that drives the permanent magnet external rotor motor .

      EC External Motor Technology

      • The external rotor design allows for a compact design. The EC external motor is driven by a brush less DC motor with permanent magnets included in the rotor body and the electronics are housed in the stator and incorporate hall effect sensor .
      • The Fan is AC 230V single phase input and the three phase 400V 50/60Hz


      The ENKLEFAN EC range incorporates 6 sizes in single and three phase input offering a control by 0-10V or PWM (Plus width modulation)

      The Enkelfan EC range offers

      • 100% speed control and can provide a constant volume etc dependent on the system requirement and can be controlled by either 0-10V DAC or PWM signal
      • Airflow from 450m3/h to 7000m3/h and Pressure to 550 Pascals with diameters up to 450mm
      • Fully assembled construction with inlet ring and mounting arms to provide an ease of installation in an efficient out of the box product
      • Temperature operating range from -20c to 60c

      Applications Include

      • Refrigeration
      • Air filtration
      • Air handling units
      • Air Purifiers
      • Replacement of inefficient belt drive fans in air handling units with multiple fans in a wall/grid offering an improved efficient solution and providing redundancy back up etc      

      Introduction to the fan ranges for material handling applications

      Introduction to the fan ranges for material handling applications

      VORTICE Group has announced the purchase of Spanish industrial ventilation company Casals based in Barcelona. The acquisition continues the VORTICE Group’s strategy to develop its product portfolio across all aspects of ventilation, from domestic to commercial, air handling to industrial. The products will be sold under Casals brand name and its product portfolio added to the lines that VORTICE can offer to the UK market.

      Casals offers a wide range of products in the commercial and industrial market including a smoke/jet fan range and certified fans that can deal with high temperatures of up to 400 ºC. VORTICE have also employed a new sales team with extensive product knowledge who will be able to assist with technical specification and sales queries.

      Our team is delighted that this acquisition will enable us to satisfy even greater specialisms within the ventilation industry, growing our reach well beyond our traditional domestic ventilation range.”

      The AA/PR product range of high-pressure material handling fans incorporates the following:

      • Straight bladed impeller.
      • The scroll is a fully welded steel construction with a polyester powder finishing coat.
      • IP55 protection motor class F in 230/400V 50Hz.
      • 3 phase for motor power up to 4kW and 400/690V 50Hz for motors above this power.
      • Airflows from 2900m3/h to 5100m3/h with pressures of up to 7300 Pa.
      • Air handling temperature up to 130ºC and suitable for use in ambient conditions up to 60ºC.
      • LG270 standard handing orientation.

      The MBZM P/R product range of medium pressure material handling fans incorporates the following:

      • Fan made of Fe360 sheet.
      • Fully welded reinforced housing ,
      • The fan paint finish is based on a Qualicoat polyester powder coating stoved at 200ºC.
      • The impeller is a straight bladed , painted finish to withstand up to 300ºC.
      • IP55 class motor, F230/400V 50Hz up to 4kW and 400/690 50Hz for higher powers.
      • Standard orientation LG270.
      • It allows adjusting the orientation locally from models 220 to 630. Models sizes from 710 to 1000 size the orientation is fixed.
      • Maximum working temperature: carried air: 130ºC, ambient: 60ºC.
      • Large airflow range from 870m3/h to 42120m3/h and pressure to 42000m3/h and pressure more than 4000 Pa.

      The MB P/R range of medium pressure centrifugal fans incorporates the following.

      • Steel scroll is fully welded and reinforced.
      • Impeller is straight bladed produced in stainless steel and with a reinforced ring protected with an epoxy powder finished coating.
      • Motors are IP-55 class F 230/400V 50hz up to 4KW, 690 v for larger motor powers
      • Airflows from 2100m3/h to 12500m3/h and pressure to 4000 Pa.
      • LG 270 standard handing

      Available on request

      • 2 speed motors
      • High temperature fan, fitted with a cooling impeller up to 250ºC (R/R arrangement)
      • LG 270 handing (other handing in LG and RD are available)

      VORTICE would be happy to work alongside you for specific applications and to work together to produce a fan to the requirements of the installation. Should you want to know more about the ranges of industrial fans we offer please visit out website at to download our full product catalogue or email

      How to stop the spread of Covid-19 in schools

      How to stop the spread of Covid-19 in schools

      Keeping our children safe at school is uppermost in the minds of parents, teachers and education leaders – never before have good ventilation and touch free hygiene products been so high on the agenda.

      VORTICE believes that there are three fundamental factors to improve the air quality and help to stop the spread of COVID-19 in schools – Ventilation, Purification and Sanitisation which is further backed up by the Government’s recent video showing the importance of ventilation.

      It is important to note that not all classrooms have windows that open or it’s not appropriate in the winter to open windows, so ventilation is paramount. VORTICE has a specialised set of ventilation products including single room heat recovery units, supply and extract fans and commercial AHU’s for larger projects to ensure a constant fresh air supply into the classroom.

      For schools that are not in a position to build new classrooms from scratch, air purification units are the answer.

      VORTICE offers systems like the DEPURO PRO range of air purifiers that retain up to 99.995% of polluting micro particles, which are potential carriers of viruses and bacteria. Models include a version equipped with the technology and tested to effectively kill COVID-19. The EVO models include a photocatalysis UV-C lamp which sanitises the product by removing pollutants, strong odours and micro-organisms.

      The VORT SUPER DRY Range is comprised of automatic electric hand dryers with a UV germicidal lamp. The units dry and sanitise the hands without the need to touch anything, ensuring maximum hygiene and safety for the user. The S+G dispensers are automatic non-touch electric dispensers which use soap or antibacterial disinfectant gel.

      A hot topic in schools and nurseries is sanitisation, which is crucial for good hygiene. Vortice offers an array of products for the education environment to effectively sanitise and retain a hygienic atmosphere where hand washing takes place.

      The UVLOGIKA SYSTEM is a germicidal UV-C lamp, ideal for sanitising and disinfecting surfaces. Its radiation quickly eliminates up to 99% of bacteria, viruses and other pathogens that are deposited on surfaces and is particularly useful in classroom environments.

      For more information on all these products download a copy of our Air Solutions Brochure which is dedicated to the school environment