NG7 2NR Nottinghamshire
UK Flowtechnik is a joint venture company involved in the manufacture, supply and distribution of flow meters, instrumentation, process sensors, specialist pumps, magnetic couplings and high quality hydraulic components.
UK Flowtechnik Ltd represents quality brands such as: VSE, Beinlich, DST, HBE, Flomec, GPI, Lake Monitors, Seametrics, Elis Plzen, Bopp & Reuther and Comeco as well as many others. We also offer a competitive calibration & repair service.
We work closely with our customers to provide innovative solutions for the most demanding of applications or for the most demanding of budgets using our huge portfolio of products.
VS Circular Gear Positive Displacement Flowmeter available in cast iron and stainless steel. The Circular gear positive displacement flow meter has flow ranges from 0.002 to 525 l/min with a maximum Pressure 450 bar. These precision Circular Gear Flowmeters offer unrivaled performance, linearity, resolution and turn-down; with linearity’s of better than ±0.3% of reading, resolutions of 50,000 pulses per litre (100,000 with additional electronics) and turn-downs of up to 1,600:1. If you require accurate measurement of clean viscose liquids, these are the ones for you.
The Beinlich Visco Pump has been designed for precise dosing of fluids and pastes and is suitable for abrasive media. This pump has impressive accuracy and repeatability and is heavily deployed in the composite sector for highly viscous resins.
Dispensing Liquids - a leader in the design, manufacture and supply of meter, mix and dispense machines have specified Beinlich external gear pumps as the pump of choice for the past two decades. Dispensing Liquids require pumps that can dispense a wide range of fluids to meet their customers specifications and only Beinlich pumps can reliably deliver this.
One of their most popular machines is built around Beinlich external gear pumps to dispense a 0.5 gram shot to 60 litres. The machine is used for static, rotary static or dynamic mixing.
Dispensing Liquids says: “We’ve been using Beinlich for over 23 years, in that time we have sold hundreds of gear pump driven machines that range from dispensing a 0.5 gram shot up to 60 litres a minute. All this was made possible by utilising Beinlich pumps”
UK Flowtechnik Ltd are proud of our customers and happy to supply only the highest quality pumps from well renowned manufacturs such as Beinlich.
To see our full range of pumps please visit: http://www.ukflowtechnik.com/catalog/pump-systems
A bit about Beinlich
Beinlich pumps are applied world-wide in process plants such as chemicals, plastics, pharmaceuticals, dyes, paints and food industries and are specialists in two part and multicomponent foam and resin/adhesive machines.
Based on extensive experience in dispensing difficult to handle fluids and decades of technological knowledge, Beinlich develops customised, innovative and efficient solutions. Specialist areas are heavy materials up to 1 million cps and media with fillers. When it comes to pumping heavy resins and adhesives Beilich are second to none.
If leakage, or more over the 'risk' of leakage could or would cause major issues with your machine, system or site a Magnetic Coupling could well be the best solution. Traditional sealing methods such as packing, lipseals and mechanical seals on rotating equipment have their benefits, but also their limitations and will always require an element of maintenance, service and eventual replacement.
The design and operation of the magnetic coupling will negate the time and especially the cost of servicing and replacing traditional seals. It can also be easily adapted to cope with high temperature, high pressure whilst pumping numerous corrosive and potentially harmful chemicals especially in hazardous environments such as ATEX or Offshore.
The contact-less rotating of a shaft lends itself to many varied applications from pumps to mixers, agitators to compressors and torque limiters to linear drive systems. Anywhere where you are looking to turn a shaft and related components such as impeller, propeller, blade or arm within sealed environment, hence its preference for use in the Chemical & Petrochemical Industry.
Pumps and flow meters are essential equipment in the composites industry. Recent developments in technology means that more advanced pumps and flow meters are now being used to dispense special resins. However, there are several challenges that composite manufacturers face when it comes to pumping and metering resins.
One challenge that many face is that the thick and sticky consistency of the resin means it loses pressure when it is pumped through a pipe. A single bend in the pipe will take away even more pressure; therefore it is crucial that the pump is able to generate enough force to allow the viscous resin to flow freely at the desired rate.
UK Flowtechnik deal with challenges like these day in and day out. Conventional gear pumps and flow meters are usually large, expensive and can be unreliable. UK Flowtechnik has a range of positive displacement pumps specifically designed to deal with a range of viscosities which, in turn, makes the pumping of thick and sticky resins a lot easier.
The main property of UK Flowtechnik’s pumps that makes them so effective, is that they operate at a steady flow and pressure at a given viscosity, coupled with a high volumetric efficiency meaning they are able to be exceptionally accurate and are ideal for dispensing and dosing in composite manufacturing.
The viscosity of resins and/or its component parts if mixed near the point of discharge from the system can range from one to one million centipoise (a measure of viscosity - cPs). Where water measures at 1 cPs, thicker liquids, like oils vary from 10 to 2000 cPs (depending on temperature) and an exceptionally thick and sticky substance like silicon can measure in the 100,000’s cPs. But whatever the viscosity, when pumping and metering resin, it is vital the materials that make up the resin are mixed to the correct ratio and their combined flow rate must be spot on.
UK Flowtechnik’s pumps start at very low flow rates of two millilitres per minute, rising up to 3,000 litres per minute. They work well on a closed-loop-control, allowing composite engineers to check the speed of the flow meter against the pump so they can adapt the flow of the resin and hardener until the correct ratio is obtained. It is vital that the ratio of resin to hardener is accurately controlled. If not, the strength of the composite assembly is reduced, or in the worst case the resin does not harden leading to components being scrapped.
At low flow rates you can lose resolution in the flow meter, but increasing the number of pulses overcomes this. This is because, within the pump, there are more teeth than traditional pumps; therefore it can deliver more accurate pulses. The pumps consist of at least two separate and rotating gears with intermeshing teeth. As these meshed teeth separate, they create a partial vacuum which is filled by the fluid component being pumped. As the gears then continue to rotate the fluid becomes trapped and is carried around the casing to the discharge side of the pump. Here, as the gear teeth begin to re-mesh, the fluid is ejected.
Resin Transfer Moulding (RTM) can be used to make everything from very small components to large carbon fibre parts such as wing panels, car doors and wind turbine blades. Pumps and flow meters play a vital role in RTM. Any pump used in RTM has to be calibrated so it can fill moulds over a range of accurately measured speeds. Moulds need to be filled fast enough so that the resin is not cured before it goes into the mould. However, it cannot be filled too fast otherwise it can leave gaps in the mould which can lead to scrapping of the component.
It is essential that the right amount of resin is in the right place when it comes to bonding parts, so a high accuracy flow is essential (if not, the component could fall apart due to inadequate bonding). This is achieved by fitting the flow meter with innovative interpolation electronics. These produce additional signals and pulses so the composite engineer can control the variables in a more responsive way and adjust the volume of resin that is pumped out; which ensures every finished product is of the same high quality.
Changing the temperature of resin changes its viscosity. Just turning the heat up or down by ten to twenty degrees can have an impact on viscosity. However, the pump has a closed loop control sensor, which is specially designed to monitor and adjust for temperature.
So, pumping and metering of viscous resin can be challenging. Resin is prone to hardening, by its very nature, it is thick and sticky, it is sensitive to temperature and it loses pressure. However, with accurate pumping and metering, it is possible to ensure that resin reaches the right place of a component at the right time, provided you’ve got the right pump for the right job!
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