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Smoothflow

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Smoothflow is our commitment to producing the most energy efficient Centrifugal Fans you can buy.

Inefficient energy use not only has a negative impact on the environment but also the operational costs of any business and in recent years this has become more apparent. RHF have taken the opportunity to reduce our carbon footprint as well as help our customers cut down on operational costs by investing in an ambitious programme to develop the most energy efficient Centrifugal fans in the industry.

To conduct our research, we selected six high-efficiency fans from our existing range for examination, each of these designs represent those most used within the industry. Each design was subject to several tests which included modifying impeller flow lines, entry and exit angles, curvature of blades, as well as inlet assemblies, casing proportions and cut-off positions. Laser cutting with an accuracy of 0.1mm coupled with our tab and slot fabrication technology played a major part in ensuring the precision of the incremental changes made to impeller flow lines – necessary for accuracy and repeatability. Other special purpose machines enabled close tolerances to be maintained, particularly with respect to aerodynamic assemblies. With our findings we were able to produce over 30 prototypes and carry out over 200 tests.

The results from our research and development were incredible, observing over 12% efficiency gains compared to both our existing fans and those of our competitors. Our main finding is that the energy savings from our fans far outweigh their capital cost, with many of our customers saving the capital cost of their fan within the first two years.

To find out how much you could save, check out our energy calculator or talk to one of our Smoothflow experts today.

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About us

RHF Fans Ltd has over 35 years of experience manufacturing centrifugal and axial industrial fans.

Our Products Include:

Centrifugal Fans
There is a wide range of volume and pressure combinations available for our centrifugal fans. In this way, RHF fans are able to operate at or near their maximum efficiency.

Axial Fans
Our axial fans come in three main types: long and short cased, bifurcated and belt driven.

In addition to fans sourced from other manufacturers, RHF Fans Ltd provides a full maintenance and service package to meet your needs.

Some of the Services We Offer:

Onsite Servicing and Repair
Onsite Balancing
Installation Inspection and Start-Up Service
Fan Refurbishment
Performance Testing
General Maintenance Contracts
Replacement Parts

As a result of a unique approach to design and production, as well as a stable fiscal base, RHF has grown to become the market leader in the UK.

With a combination of class-leading engineering, software development, design and manufacturing equipment, RHF has developed a range of industrial fans that deliver superior performance.

By providing bespoke solutions and unique ‘Smoothflow’ technology, RHF delivers guaranteed performance advantages in the critical areas of inlet and impellor construction, resulting in better products.

All product development is supported by comprehensive technical documentation and rigorous testing. Through better thinking, we can create more effective solutions for our customers, from the first point of contact through specification, design, and production.