Blender Pressurising Systems

The engineering team at Flotech have been involved in blending since the introduction of biofuel and ethanol over ten years ago. We have delivered a variety of systems for a range of blend constituents and our service team now supports over 50 blenders in the field.

We specialise in the design and fabrication of pump skids for the pressurisation of Blend constituents, Hydrocarbons and Chemicals. Pressurising Pump Skids ensure delivery of blend constituents at sufficient differential pressure to allow accurate and efficient blending into the main product line. Insufficient pressure can cause a number of problems including fluctuating blend ratios which are costly and result in off-spec products. By ensuring a sustained blend pressure, the function of the blending systems is maximised, products are delivered on spec and losses are avoided.

Most of our systems are built off-site in skid form and tailored to suit the specific application, be that delivering product to a single blend stream or a fully integrated system to offload, store and pressurise an blend constituent.

Our skids can be engineered to incorporate a host of options including;

  • Single or dual/redundant pumps
  • Motor control and heating
  • Temperature monitoring
  • Flow monitoring
  • Pressure monitoring
  • Built in filtration/strainers
  • Integrated offloading or loading
  • Integrated bunded storage with level monitoring


Blend pressurising skids are typically fabricated from stainless steel pipework on a galvanized steel frame. Pump and motor selection can accommodate a wide range of applications and blend ratios and a standard configuration includes inlet ball valve, strainer, back pressure control valve, pressure relief valve, pressure gauge, outlet isolation ball valve, motor control centre with heaters and on/off/auto switches.

Dual Pumping Technology

A unique feature of our Dual Pump Skids is our optional proprietary pump-sequencer with optional handheld controller. The sequencer operates the pumps alternately, extending their life and building in redundancy which is vital in the event of a pump failure. The sequencer automatically starts the standby (redundant) pump should the main pump fail to build or maintain pressure.

Plug & Play

At Flotech our philosophy is to complete as much of the build off-site as possible by delivering a skid based solution. The advantages of this approach include;

  • The system can be piped, cabled and flow tested in advance of delivery
  • Snagging is done off-site which minimises site assembly and start-up time
  • Large skids can be built in modular form to allow road transportation
  • Reduced time on site makes the project cheaper, safer and more convenient

All welding, assembly and testing is performed at our fully fitted facility in Hampshire. Quality is assured since all welding, pipework and assembly is performed by qualified and experienced personnel.

Our status as an independent systems integrator means we can work with specific customer specification, budget and lead time requirements where required. In parallel, we hold strategic distribution partnerships with some of the best equipment manufacturers in the industry so where the specification allows we can gain access to industry leading products at competitive rates.

Common blending applications include:

Ethanol Blending

Biodiesel Blending

FAME Blending

Denaturing of Ethanol (Bitrex)

Butane Blending

Mid-grade Fuel Blending

Chemical Blending

Fertilizer Blending


As well as designing and manufacturing blending systems, we also service, support, modify and refurbish legacy equipment manufactured by Lubrizol, Enraf, Honeywell and all other equipment manufacturers.




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