Aluminium Blastgates
Aluminium Blastgates
£11.81 - £59.44 (£9.84 - £49.53 Ex. VAT)

Aluminium Blastgates

  • Aluminium blastgates with locking screw
  • Stronger than plastic
£11.81 - £59.44 (£9.84 - £49.53 Ex. VAT)

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Description

In Detail

Aluminium blastgates, stronger than plastic and with a locking screw.

Reviews (9)

Customer Reviews

Overall rating 4.4 out of 5 based on 9 reviews

Newest Customer Reviews

Quality
Features
Value

Patrick Wullaert

23 September 2017

Good blast gates for the money

When I bought my new cyclone dust collector I knew I was going to have to change all the ducting in my shop from 100 to 150 mm. The narrow ducts had always been a big - and costly ! - mistake. I had several of these blast gates installed in their 100 mm version and was happy with them but this time wanted self-cleaning, 'professional' ones. The problem for me, though, was they were very difficult to find, at least not readily available, and when I found them they were very expensive. I needed about nine, I believe, so that would become very costly very quickly - especially with me being just a hobbyist, not recovering any invested money. So I decided to come off the idea and get back to these old trusted ones. They leak quite badly so one really does have to seal them with aluminum tape on all sides but the sliding one. A minor point which is easily overcome. But what I really don't like about these gates - it's my main gripe - is they significantly narrow the inside diameter of your ducts. 150 mm becomes something like hardly 140 mm that way. And less diameter in this case is effectively less suction. Fortunately my system doesn't seem hampered by it but I don't like the downsizing to be that outspoken. The gates are definitely very robust and the 100 mm versions I had never clogged or suffer from other problems. I now have the new ones installed and they too do their job nicely. But had the other type been available with an appealing price tag, I'd gone for those.
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AtotheZ

12 December 2016

The best!

I love these. Threw out those horrible plastic ones.
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Jeff K

5 January 2016

OK but wouldn't fit ...

The height of these just wasn't enough to enter & locate in my existing system ( based on standard soil pipe fittings with each of the blastgates sandwiched between two 110mm WC pan connectors ) . The actual item itself wasn't well finished and had some sharp edges to the two halves of the casting both internally & externally . The movable gate also seemed to be a bit sloppy but does have the option of the locking screw . All in all I'll be sticking with the cheap & nasty plastic ones ...
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frank owen

20 February 2015

excellent and very good value

I had a setup based on the axminster plastic gates that I found to be flimsy and not air tight. These aluminium ones are a very solid, quality product that seems to be air tight so far at least. I suggest to fit the thing so that the 100mm pipe is vertical and avoid the blocking plate dropping downwards with gravity... if not locked with the screw, which I usually do not bother with (i.e. I leave it loose). My setup now uses just two pipes that go to one 100mm pipe via a Y bend. I have 3 metres of very flexible 100mm diameter antistatic pipe connected that I manually connect to three machines as needed because I tend to use one machine for several hours and then move to the other machines. I have taken care to use metal duct in the pipe layout under the machines and these are earthed to avoid a fire if ordinary plastic drain pipes are used. The system works well.

I researched blast gates here in France and a similar product exists here in bent stainless but it is not as good and costs £30 each. I also looked at 125mm gates with an electric control and pneumatic actuator and these cost about £400. I looked at DIY approaches on Youtube etc and these looked to me as flimsy, not robust and would take hours to fabricate.....so these aluminium ones fit the bill very well.

I agree with other reviewers that you need to use tape or a heavy duty glue / mastic to prevent leaks. My local pro shop says that dust extraction is the most complex thing in woodworking as like me most people have a small size extractor (900m/hr) due to cost, physical space and noise constraints associated with a bigger machine. The trick seems to be to have as short a duct run to the machine and completely air tight blast gates which these give you.

I highly recommend
Features
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Rod

21 April 2014

Just what I needed, just when I needed them!

Just bought (amongst some other bits and pieces) a couple of alloy blast gates for my 4" dust extractor system. I had the plastic ones before, but they seemed to clog easily and required constant digging out of the grooves with a bent paper clip - if I didn't do that, the blast gates wouldn't close properly and I lost suction. The alloy ones open and shut smoothly and there's even a threaded bolt which holds them in place and avoids the gates sliding in or out of their own accord. The only downside seems to be the rather short fitting flanges - mind you, that was soon sorted out with the addition of a length of duct tape. All in all great improvement over the plastic ones!

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