[Steam-engine] Valves seats

Blake blake at little-mountain.com
Thu Mar 16 15:53:02 PST 2006


A friend of mine had a tool to re-cut valve seats. Had different  
cutters for different styles and angles of valves. It worked great  
and made them work like new. I borrowed it and did all mine.

Blake

On Mar 16, 2006, at 8:01 AM, Dan Donaldson wrote:

> Rick Strobel asked this in anouther thread
>
>    "How do you folks get old brass hand valves, check valves and  
> such to shut
> off tight?  I've tried some lapping compound without good results.   
> Trycocks
> I've repoured the lead/babbit pots and have had good luck doing  
> that.  The
> brass to brass sealing surfaces are kinda kickin' my butt tho.  I  
> don't use
> gate valves on steam, er I try not to."
>
>    I am curious as to how you all remedy these leaks as well.  I  
> have trouble with globe checks and globe valves leaking to the  
> injector making it difficult to operate.
>
> Dan Donaldson
>
>
>
>
> ----- Original Message ----- From: "Richard Strobel"  
> <Richard_Strobel7 at msn.com>
> To: "Steam-engine mailing list" <steam-engine at lists.stationary- 
> engine.com>
> Sent: Wednesday, March 15, 2006 8:52 AM
> Subject: Re: [Steam-engine] Lunk Jr. now rebuilding hand valves and  
> such
>
>
>> yea..thanks guys.  We got into buffing a year or so ago and it's a  
>> nice way to pass the time on a cold winter day.  We weren't sure  
>> at first who made this displacement oiler until we buffed it and  
>> it brought out the barely readable " Lunkenheimer Jr."
>>
>>  Regarding the glass tube, I reckon we're all on the same sheet of  
>> music. Thanks for your input.  We also have a Lunk. water glass  
>> and was surprised to see OEM check balls behind both handvalves.   
>> Which now brings up a topic I've been wanting to ask about.
>>
>>  How do you folks get old brass hand valves, check valves and such  
>> to shut off tight?  I've tried some lapping compound without good  
>> results. Trycocks I've repoured the lead/babbit pots and have had  
>> good luck doing that.  The brass to brass sealing surfaces are  
>> kinda kickin' my butt tho. I don't use gate valves on steam, er I  
>> try not to.
>>
>> Regards
>> RickinMt.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>> Looks like Rick has polished his socks off.  I agree
>>> with Lawrence. Go with the 5/8" tube.  Just get the
>>> right size rubbers that fit the glass and fit in the
>>> packing gland.  How big is the hole in the packing
>>> nut?  How big is the ID of the packing hole?  I'm not
>>> sure about the "no wrenches" policy for sight glasses.
>>>  Try hand tight first but you may need to use a
>>> wrench.  (I would be afraid to put a wrench on
>>> something that pretty)  Lawrence made a good point
>>> about messing with these things while they have
>>> pressure on them.  I think that those fellows should
>>> have turned off the valves to the glass before
>>> attempting to tighten the nuts.  The instructors at
>>> steam school advised us the never try to work on pipes
>>> with live steam on them for this very reason.
>>>
>>> --- Lawrence Swanz <LSwanz at superioriron.com> wrote:
>>>
>>> > Rick,
>>> >
>>> > I can't hardly believe that the before picture could
>>> > actually be the same lubricator as pictured in the
>>> > second photo.  If they are the same, then you did an
>>> > outstanding job cleaning that unit up.  As for the
>>> > glass, I would say that a 5/8" O.D. tube is the
>>> > ticket.  Don't know about whether to put a wrench to
>>> > the packing nut is acceptable or not, but if you had
>>> > to stop any leaks, and I'm sure this goes without
>>> > say, but be darn careful as to not over tighten and
>>> > crack the glass.  I watched someone do this on a
>>> > water glass and didn't find that magic spot.  It
>>> > wasn't long and the glass exploded and they did the
>>> > jump of joy on the gang plate as they tried to get
>>> > the valves shut off while being sprayed with hot
>>> > steamy water.  Guess this is another good argument
>>> > for replacing your water column with a new style
>>> > that has a ball bearing in it for self sealing
>>> > should the glass break.  That is yet for another
>>> > discussion.  On a side note, I liked the white socks
>>> > that got caught in the pho!
>>> >  to.  You had them there so we could identify actual
>>> > size of the lubricator, right! (Haa Haa).
>>> >
>>> > Lawrence
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