Agma W Evo operating 20 degrees from vertical.

The innovative team at Mac3 has developed the Agma W Evo. They have modified the guiding collar of the original Agma W to allow the float arm to self-level by up to 20 degrees from vertical. This groundbreaking improvement empowers us to tackle the challenges of retrofitting components into existing systems with renewed confidence.

We all know that the Agma W has long been a useful and well adopted float switch. It works on a short-throw, constrained linear axis with magnetic switch activation, which makes it great for sump pump systems and narrow tank level control. However, the original Agma W only operated when installed up to 5 degrees from vertical. The new Agma W Evo with its 20 degree allowance is a real bonus for dirty water pump installations.

Aside from installation into a tank, the Agma W compact float switches from Mac3 are frequently used be OEM suppliers mounted directly to a pump. Pumps of course can move, either in the tank or during maintenance cycles. Having the ability to correct an offset means that if the pump wasn’t set vertically (for example, if there was an obstruction or detritus stuck under the pump itself), with the Agma W Evo deployed it wouldn’t cause an issue going forward, reducing the likelihood of future issues.

As with the other members of the Agma family, the Agma W Evo cannot be used if there are ferrous or otherwise magnetically susceptible deposits in the water, as this can cause issues with the magnets inside the float switch (but then my loyal readers would already know this).

Height differential for the Agma W EVO Float Switch

The Agma W Evo will function mechanically the same as the original Agma W and can be used as a direct replacement for the original units if necessary. However, the maximum working differential has been reduced from 150mm to 110mm. This change makes the Agma W Evo easier to work with in smaller tanks or shorter pumps. Nevertheless, when replacing a pre-installed Agma W, it’s important to account for this 40mm reduction.

So, once again, the ingenious Mac3 development team has improved a fantastic product, creating a solution that not only functions effectively but also instils confidence when tackling both new installations and maintenance tasks. This is particularly valuable when dealing with original installations that are not conducive to retrofitting or repair (nothing is ever straight. Ever).

For more information

Contact Jim, our Mac3 Technical Lead. Jim and Tom have over 25 years of experience in Water Control Systems.

The post Agma W Evo – Self levelling, linear float-switch for dirty water applications appeared first on Mac 3 UK.

In this post, we look behind the scenes at what makes Mac3 truly great.

Mac3 has successfully merged contemporary design and processes with old-school values of attentiveness and quality control (and we know, there isn’t any school like the old school).  I was amazed by the hands-on nature of the Mac3 testing methodology. Still, it does result in a product that has a level of care and inspection that is almost impossible to replicate in a fully automated process.

Only Float Switches that pass the test are Stamped.

In my experience, quality control (and inspection) relies on taking a sample from the current production, which is then used to generalise the state of that production run. Depending on the quantity in that run, it could be in somewhere in the range of 1 from 500 units. Alas, while this scheme does work, it can allow for rogue units to slip through. Mac3 however has a somewhat different approach to this for their ISO 9001:2015 certification. In their quality management system, every float switch (yes, I do mean every unit) is examined and electrically tested by hand! Yep, even now, that gives me pause for thought. This isn’t something that most manufacturers would even consider, but when you need a float switch that works, first time, every time, this is what is required. To top this off, every float switch, be it the superb Small to the mighty Mac5 is marked with a production number after inspection. A mark of distinction that indicates the unit has passed through scrutiny and is worthy of the Mac3 name.

Trust Matters

It is this certainty that really sets Mac3 apart from the rest of the field, not only that it is a quality float switch, but that Mac3 takes the quality of their products this seriously! I personally know that if I need a float switch on a project, Mac3 is the answer. Why? Because I know it works, it will last, and the end user has a better experience because of it. You can trust Mac3.

Mac3 is a beautiful alloy of modern ideas with traditional values.

For more information

Contact Jim, our Mac3 Technical lead. Jim and Tom have over 25 years of experience in Water Control Systems.

The post Mac3 Float Switches – Trust Matters appeared first on Mac 3 UK.

e-fly dirty water float switch

e-Fly Float Switch– dirty water can’t touch this!

The e-fly always remains in the correct position because of the integrated counterweight. An external counterweight (and the ragging point that it creates) is not necessary.

Like its big brother, the Mac5, the e-fly dirty water float switch is available with PVC, H07RN-F and H07BN4-F in 5, 10 and 20m lengths. The e-Fly is also available (as a special order) with ATEX certification (in the same cable types and lengths).

How to configure the e-fly Float Switch

There are two main ways the e-Fly is used:

• Slaved to a single pump for emptying a tank. You can either wire the float switch into the pump with a suitable t-joint or outside of the tank itself using a simple junction box.
• 

  e-fly dirty water float switch installation options

  Or, as part of a level control setup. As this diagram shows, the e-Fly is suspended from the top of the tank (or attached to an internal pipeline /fixture. The pipework must be sturdy enough to support the extra weight). The level is adjusted on each float by shortening the cable or lifting the attachment point onto an internal fixture.

This array can then be connected to a controller creating a versatile level control system for sewage or turbulent water.

Overall the e-Fly can be deployed in a very similar way to the Mac5 – but where it truly excels in areas where the sheer size and mass of the Mac5 are not required. For a domestic sewage treatment plant the e-Fly is perfectly at home.

For more information

Contact Jim, our Mac3 Technical lead. Jim and Tom have over 25 years of experience in Water Control Systems.

The post e-Fly Dirty Water Float Switch appeared first on Mac 3 UK.