Rubber Seal for filter plates

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Rubber Seal for filter plates

Unread postby leosardinha » Tue Mar 25, 2014 1:11 pm

Hi,

On my last brew I found that a lot of grain escaped between the sides of the malt pipe and the filter plates.

so I was looking for a edging strip to seal the edges.

I found a very nice looking alternative at polymax, but they charged me 30 GBP of shipping for 10 GBP of products.

SO I found this option:

http://www.aliexpress.com/item/High-els ... 49717.html

would anyone know if it fits and the material is ok?
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Re: Rubber Seal for filter plates

Unread postby BrauTim » Tue Mar 25, 2014 1:22 pm

Is it food safe?
To brew or not to brew, that would be a stupid question !
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Re: Rubber Seal for filter plates

Unread postby niels » Tue Mar 25, 2014 2:33 pm

leosardinha wrote:would anyone know if it fits and the material is ok?

I'm no expert but when I search for NBR (Nitrile butadiene rubber) I get to the Nitrile rubber Wikipedia page: https://en.wikipedia.org/wiki/Nitrile_rubber

It doesn't look like a food grade material:
Wikipedia wrote:It is used in the automotive and aeronautical industry to make fuel and oil handling hoses, seals, and grommets, since ordinary rubbers cannot be used. It is used in the nuclear industry to make protective gloves. NBR's ability to withstand a range of temperatures from −40 to 108 °C (−40 to 226 °F) makes it an ideal material for aeronautical applications. Nitrile butadiene is also used to create moulded goods, footwear, adhesives, sealants, sponges, expanded foams, and floor mats.

I would skip and look for an alternative.

One thing you can try is buy food grade PVC or silicon tubing, cut it open over the length and fit that around the filter plates.

Niels
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Re: Rubber Seal for filter plates

Unread postby Nesto » Tue Mar 25, 2014 11:51 pm

I use this:
http://www.amazon.com/dp/B00008UA67?tag ... ef-refURL=
On my top filter plate. Food grade.

The gaskets fit the plate on my 20l perfectly, but they are too thick to allow the plate to slip into the malt pipe. I had to put the top filter plate on upside down (with the sleeve facing down instead of up) because the bar and wing nut will not fit otherwise.

I still use it though - it seems to help. What I did was put the thin screen in first on top of the grist and not inside the gasket. Then I put on the thick filter plate, with the silicon gasket on it, on top of the malt pipe. It doesn't slip down into the pipe, but sits on top and makes a good seal. Sometimes once it gets heated up it can slide down inside the malt pipe, in which case it's nice to have a little handle installed on your screen. Very little grain gets into the pump vs. my first brew which had a lot of grain in the pump.
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Re: Rubber Seal for filter plates

Unread postby leosardinha » Wed Mar 26, 2014 2:30 am

I found some pressure cooker seals, made of silicon here...

really cheap, I will buy one to test out ;)

Thanks everyone!
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Re: Rubber Seal for filter plates

Unread postby paddye » Wed Mar 26, 2014 7:32 pm

how about getting a length of silicone pipe, cut a slit down one side and slide that over the plates?
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Re: Rubber Seal for filter plates

Unread postby pmac » Tue Apr 01, 2014 5:57 am

I use a u-shaped bit of rubber I got here in Australia from Clarke Rubber.

It fits the solid plate but not both screens.

So, it does stop grain coming around the side of the malt pipe but as I crush at 1mm I still find I get small grain particles getting through the screens that I sieve out as it comes up to the boil (a pain for such an expensive system).

I will be trying a 1.3mm crush for my next brew to see if it stops the small pieces getting through, the other thing I though about is getting and additional mesh screen so I would have:

-Mesh screen, then top solid screen with rubber seal and then another mesh screen on top.

But will see the difference with a courser crush.

Also make sure your malt pipe is dead centre, this will influence gaps and grain getting through.

This is the only complaint I have had with mine to date, but the beer has been great and had no blocked pumps or ill effects from the little grain that does get into the boil.
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Re: Rubber Seal for filter plates

Unread postby Batz » Wed Apr 02, 2014 7:31 am

The rubber seal only needs to be on the top screen, one solid plate screen and one mesh screen. The mesh screen is just a bee's dick bigger than the solid screen and needs to be trimmed. Just mark it out with the solid screen on top, use a felt tip pen and then cut it with really sharp heavy scissors. The rubber with now fit both, one mesh screen is ample and you should not have any grain passing.

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Re: Rubber Seal for filter plates

Unread postby Dicko » Wed Apr 02, 2014 12:25 pm

Luv your signature Batz. :lol: :lol:
The worst thing that can happen if I die is that my wife will sell all my brewing equipment for what I told her I paid for it
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Re: Rubber Seal for filter plates

Unread postby Cervantes » Wed Apr 02, 2014 10:29 pm

Dicko wrote:Luv your signature Batz. :lol: :lol:


But does he have the danglies to use it on AHB? :wink:

Cheers
Andy
Cheers :cheers:
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Re: Rubber Seal for filter plates

Unread postby Dicko » Wed Apr 02, 2014 10:41 pm

Cervantes wrote:
Dicko wrote:Luv your signature Batz. :lol: :lol:


But does he have the danglies to use it on AHB? :wink:

Cheers
Andy


Maybe we could all have that sig over there. :lol:

I recon he does Andy

Batz has "no fear" :lol:
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Re: Rubber Seal for filter plates

Unread postby Cervantes » Fri Apr 04, 2014 12:53 am

He's a braver man than me then......... :cheers:
Cheers :cheers:
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Re: Rubber Seal for filter plates

Unread postby tabs » Sun May 03, 2015 9:43 am

I'm new to the Braumeister but thought I'd make a top plate seal to reduce the amount of debris in my brew. £1.50 for 12mm food grade tubing off ebay. Works a treat just slice along the length.


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Re: Rubber Seal for filter plates

Unread postby Luis Coentrao » Sun May 03, 2015 10:40 am

Hi Tabs,

The ID is 9mm and the OD is 12mm? Wall thickness of 3mm?
It was easy to place and remove the plates from the malt pipe with the tubbing in?
The tubbing wall thickness is quite important in order to fit the plates inside the malt pipe.
I had a silicon tubbing with ID 10mm and OD 14mm that didn't' fit well inside the malt pipe :cry:
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Re: Rubber Seal for filter plates

Unread postby McMullan » Sun May 03, 2015 4:15 pm

I've sourced what might be perfect. Samples have been posted, but will be redirected by a mate. There is a minimum length to purchase at the source. Much more than I need. If there are enough Europeans wanting some, I'm happy to share to cover my costs.
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