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How do Mott Flow Restrictors work

Our guide to Mott Flow Restrictors

Here at Fluid Controls we can supply a complete range of Mott Flow Restrictors. Our Mott precision porous metal flow restrictors are reliable, cost-effective replacements for mass flow controllers, orifices, capillaries, or micro-metering valves. The pay-off for you is constant gas flow at a given gas pressure, without worries about clogging and without having to design for wide variations in flow.

In this blog, we’ll give you an in-depth look at our Mott Flow Restrictors, explaining their functions, advantages and typical applications. In short, everything you need to gain a better understanding of these useful devices.

How do Mott Flow Restrictors work?

Mott’s porous gas flow restrictors are unique in that they channel through thousands of pores instead of just one. This reduces gas exit velocity and results in a more laminar flow. Because the gases move through the myriad of pores, porous metal flow restrictors are virtually impervious to erosion or wear and are almost certain to retain the original calibration. Mott’s Flow Restrictors provide a compact design and long-lasting flow control.

Advantages of Mott Flow Restrictors

If you’re looking for a reliable, cost-effective replacement for flow controllers or micro metering valves, then look no further than Mott’s precision porous metal flow restrictors. As gas and particulate move slower through the element, porous metal flow restrictors incur less wear and last longer.

Gas and particulate both erode and enlarge an orifice. Flow therefore increases in proportion to the square of the increase in size. However, Mott’s porous metal is capable of resisting such issues because the lower velocities and virtual absence of erosion result in more reliable flow restriction.

Orifices can be easily clogged up by a single grain of foreign matter. Mott’s flow restrictors, on the other hand, can tolerate a large build-up of particulate before flow is affected. The high media surface area and low gas velocity enable gas to find its way around obstructions.

About Mott

Mott is a high precision filtration and flow control company who are trusted by the world’s best-known technical and performance brands. Mott customises every one of their products using highly agile culture with nearly 60 years of experience to their advantage to meet precise specifications.

Speak to a Fluid Controls adviser today about our complete range of Mott Flow Restrictors by calling +44 (0) 118 970 2060 or email fluid@fluidcontrols.co.uk.

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