Would an old inner tube be suitable as gasket material?

[giddyup]

I have just repaired my Mitsubishi water pump (for house) as it had sprung a leak under the tank, rusted through and caused a tiny hole. However, now that I'm connecting it back up to the inlet and outlet, I can't seem to get a good seal, and the joint is leaking, probably because the gaskets are old and worn. I think getting hold of genuine Mitsu gaskets might be a problem, so wondering would it be possible to cut my own from an old inner tube and also wipe some silicone seal on both sides before clamping?

Edited November 7, 2018 by giddyup

[Artisi]

No reason why not, but don't overtighten as it might "flow" - extrude itself as inner tubes are soft, the silicone will help. You could try silicone by itself, maybe enough to give you 1 to 2 mm thickness but not over tightened - once cured you could tighten a little more. 

Alternately use Loctite joint compound, forget what its called, this is used in lieu of jointing material. 

 

[giddyup]

2 minutes ago, Artisi said:

No reason why not, but don't overtighten as it might "flow" - extrude itself as inner tubes are soft, the silicone will help. You could try silicone by itself, maybe enough to give you 1 to 2 mm thickness but not over tightened - once cured you could tighten a little more. 

Alternately use Loctite joint compound, forget what its called, this is used in lieu of jointing material. 

 

Wondering whether automotive suppliers may have material suitable to cut my own gasket?

[Artisi]

3 minutes ago, giddyup said:

Wondering whether automotive suppliers may have material suitable to cut my own gasket?

Unlikely in Thailand, you could try your local pump supplier/repair man, or an engineering type work shop, it's probably a standard size 2 bolt flange and would be surprised if it wasn't available  - but as this is Thailand it's only guess work where to start looking. 

[giddyup]

Just now, Artisi said:

Unlikely in Thailand, you could try your local pump supplier/repair man, or an engineering type work shop, it's probably a standard size 2 bolt flange and would be surprised if it wasn't available  - but as this is Thailand it's only guess work where to start looking. 

I had a look in Home Pro, plenty of Mitsu pumps, but no spares. Only want to sell you a new one.

[chickenslegs]

I don't know where you are, but I have found that many (family run) hardware shops stock these seals - Bang Saray/Sattahip. Of course, they are probably not Mitsu originals.

 

Just take the old seal with you for a "near enough" match.

 

 

[giddyup]

1 minute ago, chickenslegs said:

I don't know where you are, but I have found that many (family run) hardware shops stock these seals - Bang Saray/Sattahip. Of course, they are probably not Mitsu originals.

 

Just take the old seal with you for a "near enough" match.

 

 

Thanks, I'm in Pattaya. Will go for a drive tomorrow and check out a few.

[KhunBENQ]

I see such part on an online site for 130 Baht (as an official Mitsubishi part).

Don't expect to find such stuff at the fancy home marts etc.

For our (rural) district town I would know where to start the search.

There are always hardware shops with a focus on water pumps.

 

Edited November 7, 2018 by KhunBENQ

[KhunBENQ]

19 minutes ago, giddyup said:

Thanks, I'm in Pattaya. Will go for a drive tomorrow and check out a few. 

Maybe not the best location for you far up north in Naklua.

Just one example of such a shop:

https://www.facebook.com/pattayahardware/

[johng]

17 minutes ago, giddyup said:

Thanks, I'm in Pattaya. Will go for a drive tomorrow and check out a few.

At Bahn Amphur ( Na-Jomtien)  there is a "shop" that  hand makes all sorts of  engine gaskets I'm sure they could supply some materiel or make one for you

https://www.google.com/maps/@12.8171269,100.9164698,3a,24.1y,284.16h,83.48t/data=!3m6!1e1!3m4!1sprZNlSOooIFdxjLw2JS3qg!2e0!7i13312!8i6656

 

[sometimewoodworker]

32 minutes ago, giddyup said:

Wondering whether automotive suppliers may have material suitable to cut my own gasket?

Go to any shop that does puncture repair for trucks, ask for an old damaged strip of rubber that goes between the inner tube and the wheel. They will have some. It could easily be free it is the perfect material for that kind of gasket, I would post a picture but am not sure where my own remaining piece is.

[chickenslegs]

32 minutes ago, giddyup said:

Thanks, I'm in Pattaya. Will go for a drive tomorrow and check out a few.

Approx 100m east of the bus station on Pattaya Nua is a tool shop. They carry some spares for Mitsu pumps. Just below that shop is a hardware store that sells mitsu pumps and may carry spares.

[ChristianBlessing]

As there is no apparent flange and no exposure to heat and solvents I'd be inclined to try RTV silicone alone.

[Artisi]

13 minutes ago, sometimewoodworker said:

Go to any shop that does puncture repair for trucks, ask for an old damaged strip of rubber that goes between the inner tube and the wheel. They will have some. It could easily be free it is the perfect material for that kind of gasket, I would post a picture but am not sure where my own remaining piece is.

Good one ???? - ideal solution.

[Thian]

If you can take that ring out and find a new one Bob's your uncle....i know where to buy those rings in all sizes but it's in BKK.

[giddyup]

6 minutes ago, Thian said:

If you can take that ring out and find a new one Bob's your uncle....i know where to buy those rings in all sizes but it's in BKK.

That ring is part of the rubber gasket, it isn't removable.

[giddyup]

28 minutes ago, sometimewoodworker said:

Go to any shop that does puncture repair for trucks, ask for an old damaged strip of rubber that goes between the inner tube and the wheel. They will have some. It could easily be free it is the perfect material for that kind of gasket, I would post a picture but am not sure where my own remaining piece is.

Cheers, will ask at my local tyre shop.

[giddyup]

Thanks for all the replies, all good ideas. Cheers.

[moontang]

looks a lot like a VW bug muffler gasket.

[Thian]

9 minutes ago, giddyup said:

That ring is part of the rubber gasket, it isn't removable.

I see, maybe another ring around the broken one (few mm larger) will do it...

[giddyup]

7 minutes ago, moontang said:

looks a lot like a VW bug muffler gasket.

I'm sure a local hardware store will have one of those in stock.

[moontang]

34 minutes ago, giddyup said:

I'm sure a local hardware store will have one of those in stock.

they only made 30 million of them x 2..

Why not use a drinking water safe solder?

[sometimewoodworker]

This is what you want

[giddyup]

3 minutes ago, sometimewoodworker said:

This is what you want

OK, thanks.

[giddyup]

14 minutes ago, moontang said:

they only made 30 million of them x 2..

Why not use a drinking water safe solder?

Not practical. There has to be a gasket sandwiched between the flanges.

[Fruit Trader]

Wife uncle will have these gaskets at his Sukhumvit Road shop not far from Bangkok Pattaya Hospital.

 

12.9620824,100.9090529

 

LINK

 

 

 

[kamalabob2]

In Buriram Province genuine Mitsubishi Water pump gaskets and genuine Hitachi water pump gaskets are readily available where I have bought several water pumps since 2006. That store mails genuine parts to home owners all over Thailand. No sense in a jerry rigged solution when genuine parts are so modest in cost and readily available from a water pump specialist. Every province has at least one water pump specialist.  The same sort of business that installs and repairs water pumps for hospitals, hotels, shopping centers, larger restaurants, resorts and better housing estates in each province. It will not be at HomePro | Thai Watsadu | Global House | Mega Home. 

Edited November 7, 2018 by kamalabob2

[giddyup]

6 minutes ago, Fruit Trader said:

Wife uncle will have these gaskets at his Sukhumvit Road shop not far from Bangkok Pattaya Hospital.

 

12.9620824,100.9090529

 

LINK

 

 

 

Thanks for that.

[The Deerhunter]

4 hours ago, Artisi said:

Unlikely in Thailand, you could try your local pump supplier/repair man, or an engineering type work shop, it's probably a standard size 2 bolt flange and would be surprised if it wasn't available  - but as this is Thailand it's only guess work where to start looking. 

Agree.  Lots of options available.  Everyone sells Mitzi water pumps and lots of places repair them.  There should be at least one guy in every hamlet.  Just take your phone camera in to a few big hardware shops with the picture of your gasket and pump model.  Or drive around til you find the local guy who repairs appliances etc. (they will be stacked out on the street).   Some one will know. It would be a very remote place if you cant get common bits for a Mitzi water pump.  I have had several re-built.  The most troublesome parts are those springs under the little plastic caps.    There are special do it yourself gasket materials too. Do Homes, Hardware house, Homepro Thai Watsadu, global house might have it,  Or send an email to Mitsubishi water pump maker here in LOS. Truck Inner tube rubber & silicone should ace it.

Edited November 7, 2018 by The Deerhunter

[giddyup]

1 minute ago, The Deerhunter said:

Agree.  Everyone sells Mitzi water pumps and lots of places sell them. Just take your  camera in to a few big hardware shops with the picture of your gasket add pump model.  Or drive around til you find the local guy who repairs appliances etc.  Some one will know. It would be a very remote place if you cant get common bits for a Mitzi water pump.  I have had several re-built.  The most troublesome part are those springs under the little plastic caps.    There are special do it yourself gasket materials too.  Truck Inner tube rubber & silicone should ace it.

I have the old gaskets so no problem to show what I want. I'll try to get a proper replacement first.