Fan Systems Design and Engineering
Engineering
excellence
Engineering excellence through innovation for over seven decades. WITT UK Group’s Design and Engineering division has been the creative force behind thousands of successful air movement and smoke ventilation solutions worldwide, spanning multiple sectors and applications.
Our design service combines cutting-edge technology with extensive industry expertise. We utilise advanced engineering tools including 2D & 3D CAD systems, Finite Element Analysis (FEA) for structural integrity, acoustic analysis to ensure compliance with noise regulations, thermal analysis for temperature management, and Computational Fluid Dynamics (CFD) for airflow optimisation.
Each project begins with a detailed analysis ensuring a full understanding of project requirements, environmental conditions, and regulatory constraints. This robust approach allows us to engineer reliable, efficient, and fully compliant solutions.
Our comprehensive capability enables us to deliver everything from standard industrial ventilation and code-compliant systems to highly complex applications such as nuclear safety systems, tunnel ventilation, and bespoke smoke ventilation systems for both simple and complex buildings. We provide complete project support from initial concept through to commissioning and lifetime operation.
Detailed manufacturing drawings are produced alongside full technical submissions, including electrical schematics, layout drawings, and control logic. This thorough engineering process eliminates installation surprises, reduces project risk and ensures right first time delivery.
Our Design & Engineering Services Include but not limited to the following:-
- Fan engineering design of high-efficiency axial, centrifugal, and bifurcated fans
- Custom-engineered fan solutions for a wide range of sectors
- HVAC, Car park and smoke ventilation system design
- Control systems for axial, centrifugal, and bifurcated fans, car park ventilation, and smoke control systems
- CFD modelling and performance validation
- Gateway process support under the Building Safety Regulator (BSR) requirements
- Technical support and design optimisation from pre-design through to project completion.
Nuclear
Fans
- Seismic qualification
- APC (Airplane Crash) resistance
In 2025, we successfully manufactured and tested a fan on a seismic shaker table, achieving first-time validation of our FEA (Finite Element Analysis) predictions — demonstrating our advanced engineering capability and design verification processes.
We supply:
- Axial and centrifugal fans
- Direct drive, belt driven and close-coupled configurations
- A wide range of material specifications to suit environmental and safety requirements
Innovation for Over
Seven Decades
Engineering Excellence Through Innovation for Over Seven Decades
WITT UK Group’s Design & Engineering division has been the driving force behind thousands of successful air movement and smoke ventilation solutions worldwide, spanning industrial, infrastructure and nuclear sectors.
We combine deep industry expertise with advanced engineering technology to deliver safe, efficient and fully compliant ventilation systems — from standard applications to highly complex, safety-critical environments.
Advanced Engineering Capability
Our design approach is analytical, calculation-led and fully traceable. We utilise:
- 2D & 3D CAD design systems
- Computational Fluid Dynamics (CFD) for airflow optimisation
- Finite Element Analysis (FEA) for structural and dynamic assessment
- Acoustic analysis for noise compliance
- Thermal analysis for temperature management
Every project begins with a detailed technical evaluation of performance requirements, environmental conditions and regulatory constraints. This ensures reliable, compliant and right-first-time solutions.
Safety-Critical
Design
Specialist & Safety-Critical Design
We engineer solutions ranging from HVAC and smoke control systems to complex nuclear safety applications, including:
- Seismic qualification to Site Specific Response Spectra (SSRS)
- Airplane Crash (APC) structural assessment
- Modal analysis and excitation frequency separation
- Anti-vibration mount assessment and transferred response spectra evaluation
- Flexible connection and displacement calculations
- Gas-tight and decontaminable fan design
In 2025, we successfully validated one of our designs through seismic shaker table testing, achieving first-time correlation with our FEA predictions — demonstrating the robustness of our analytical approach.