Numatic should be a good brand to look at for your use. Access to spares and relatively low cost accessories.
I think you've picked out a higher spec machine than you need. It looks great for a factory but you'd be paying a premium for that big heavy duty drum and it will be a pain to move around. If it's too big, picking it up to empty it into your biffa will be a real chore, or you'll have to factor in the cost of bags.
The NV750 / NVD750 (same with two motors) are a bit smaller but still pretty solid machines. Quieter than a budget shop vac, and with two washable fabric filters that do a decent job and keep the cost down.
You can add a disposable hepa filter layer as well if you are cleaning up something nasty, but for general workshop sweep up, I don't think you'll need it. M and H class dust extraction is more important when you are handling hazardous dusts like silica during building construction and renovation.
Look at the NVD750 in Axminster colours - it's packaged with a wheeled trolley.
Hoovering up the shop rather than sweeping it is a good move
A long (4 or 5 meter) wide hose may be a good accessory. That way you won't move the machine as often and the bigger bore will swallow small offcuts without getting blocked as often.
Also, these dual inlet machines work best if you connect the hose into the big 100mm inlet using a reducer. Ignore the smaller inlet in the middle of the can. Dust coming in at a tangent (through the big inlet) swirls around the drum like a built in cyclone and settles better.