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 Post subject: belmont radiator valve
PostPosted: Fri Nov 19, 2010 12:08 pm 
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Can someone please explain in simple terms (as i am a simple man) how to repair a leaking belmont radiator valve. the leak is coming through the top of the valve when it's open. is it possible to replace the o rings ? how ? how much water will leak out when i do it? do i need to drain the system ? thanks


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PostPosted: Fri Nov 19, 2010 12:19 pm 
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Take off the shroud and try tightening the nut around the spindle a little.

John

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PostPosted: Fri Nov 19, 2010 3:30 pm 
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:withstupid:

If that doesn't work run the nut off and put 5-6 turns of ptfe tape in the gap and do the nut back up.

If you change the O rings it's a drain down.


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PostPosted: Fri Nov 19, 2010 7:31 pm 
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If you can hold your nerve, you dont have to drain down with Belmont valves,they have an in built cut off that allows you to remove the spindle from the valve to change O rings....If you can still get them. Most on here probably never come across them.


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PostPosted: Fri Nov 19, 2010 8:01 pm 
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probwetnexmate wrote:
If you can hold your nerve, you dont have to drain down with Belmont valves,they have an in built cut off that allows you to remove the spindle from the valve to change O rings....If you can still get them. Most on here probably never come across them.

That's what i'd read elsewhere but as soon as I begin to loosen the nut it leaks straight away. Is that normal ? does the spring mechanism activate when the nut is removed ?


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PostPosted: Fri Nov 19, 2010 8:03 pm 
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probwetnexmate wrote:
If you can hold your nerve, you dont have to drain down with Belmont valves,they have an in built cut off that allows you to remove the spindle from the valve to change O rings....If you can still get them. Most on here probably never come across them.



Ouch! Wait for it :boxing:
:lol:

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PostPosted: Fri Nov 19, 2010 8:03 pm 
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probwetnexmate wrote:
If you can hold your nerve, you dont have to drain down with Belmont valves,they have an in built cut off that allows you to remove the spindle from the valve to change O rings....If you can still get them. Most on here probably never come across them.


That's true, never tried it though, always found them very reliable


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PostPosted: Sat Nov 20, 2010 9:19 am 
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Razor wrote:
probwetnexmate wrote:
If you can hold your nerve, you dont have to drain down with Belmont valves,they have an in built cut off that allows you to remove the spindle from the valve to change O rings....If you can still get them. Most on here probably never come across them.



Ouch! Wait for it :boxing:
:lol:


What are we waiting for? :dunno:


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PostPosted: Mon Nov 22, 2010 10:44 am 
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mcrewe wrote:
probwetnexmate wrote:
If you can hold your nerve, you dont have to drain down with Belmont valves,they have an in built cut off that allows you to remove the spindle from the valve to change O rings....If you can still get them. Most on here probably never come across them.

That's what i'd read elsewhere but as soon as I begin to loosen the nut it leaks straight away. Is that normal ? does the spring mechanism activate when the nut is removed ?



Does "holding my nevre" mean that I have to losen the nut and have faith that the water will stop once it is removed ?
As you may have guessed I am a novice and am concerned that removing the nut is going to result in lots of water !!!


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PostPosted: Mon Nov 22, 2010 6:02 pm 
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If your any way scared of tackling the job,then I suggest you save up and replace with decent energy TRVs and Lockshields.


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PostPosted: Mon Nov 22, 2010 10:06 pm 
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You wont get much better than Belmont valves. :scratch:


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