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Pyrex glass lens for Swift Lubricator


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  #1  
Old 10-14-2005, 10:26:23 PM
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Default Pyrex glass lens for Swift Lubricator

Does anyone know of a supplier for the "nickel" sized "glass" or Pyrex operational viewing "lens" for the Swift displacement steam lubricator? I have two on my 15 hp Case and both are broken and have nickels in them so they can be used. I had one made at a glass shop and it blew out right away. Maybe they used the wrong material, but with two gaskets, front and rear, it has to be fairly slim.
Thanks,
Gary
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Old 10-14-2005, 11:16:50 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Pyrex glass lens for Swift Lubricator

Chances are that the 'lenses are just that - lens shaped for strength. Flat glass may not be strong enough. Also - was the one you had made perfectly smooth on the rim? glass is funny stuff - the slightest imperfection will spread like a fire under stress. what kind of gaskets are they? if the material is too hard, it can cause fractures when heated.
Andrew
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Old 10-14-2005, 11:50:03 PM
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Default Re: Pyrex glass lens for Swift Lubricator

Andrew,
I had the distinct honor to be on my Case when both original glasses broke, on different days however. The gasket material is not rubber, I don't think, but kind of a pliable material. They had both worked "forever" and I never tightened them. I found out what the material was after the glass lenses broke. They were both flat glass. Maybe being 96 years old had something to do with it?
Gary
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Old 10-15-2005, 05:35:40 PM
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Default Re: Pyrex glass lens for Swift Lubricator

Quote:
Originally Posted by 20 Reeves Highwheeler
Andrew,
I had the distinct honor to be on my Case when both original glasses broke, on different days however. The gasket material is not rubber, I don't think, but kind of a pliable material. They had both worked "forever" and I never tightened them. I found out what the material was after the glass lenses broke. They were both flat glass. Maybe being 96 years old had something to do with it?
Gary
I had a gauge glass supply company cut some flat glass for my Swift lubricators some years ago. I sent them a sample and they furnished me with exact copies, which I installed and have used without incident for some years.

Here is the link to their web page:

http://www.kaufmanglass.com/index.htm

The replacement glass was high pressure and the thickness was the same as the sample I sent. I imagine they cut the glass to size from glass bar stock that they have.

David
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Old 10-15-2005, 09:41:43 PM
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Default Re: Pyrex glass lens for Swift Lubricator

David,
Thanks so much for answering, sending the information and website.
Sincerely,
Gary
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Old 09-04-2008, 01:00:14 PM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

Gary, did you ever find some replacement "nickel glass"? I have a couple Swift lubricators and I want my 10 cents back.

Jeff Smith, I saw you were also looking for some glass. Did you find any?

If I have to order some I can get extra for anybody who needs it.
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Old 09-04-2008, 01:53:16 PM
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Default Re: Pyrex glass lens for Swift Lubricator

Brad,
Between my work, our local club having a "divorce", my engine moving to Silver Creek near Helena and Mike leaving for a year, I put this on the back burner. I would like them. If you want to add me, I'd like two and should get three? Any idea$?
Gary
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Old 09-04-2008, 03:31:27 PM
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Default Re: Pyrex glass lens for Swift Lubricator

McMaster_Carr carries Pyrex round windows. I ordered some for the oiler on my Ajax. They come in varoius sizes.

keithw
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Old 09-04-2008, 05:09:35 PM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

Keith, were the parts you ordered "nickel glass" size? I haven't seen anything on McMaster smaller than 1" diameter.
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Old 09-04-2008, 07:23:03 PM
Kelly Anderson Kelly Anderson is offline
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Default Re: Pyrex glass lens for Swift Lubricator

Go to http://www.ernstflow.com/eindex.html , and follow the links to "glass", and to "circles". They will cut whatever size and thickness you want, they even have a table for safe working pressures. They are who I used for my Swift's Sight Feed, 3/16 thick x 13/16 diameter.
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Old 09-04-2008, 08:19:03 PM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

Kelly, that's exactly what I'm looking for!! Thanks!

Gary, do you want to order your own, or should I get a batch of 10 and send you 3?
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Old 09-04-2008, 11:41:39 PM
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Default Re: Pyrex glass lens for Swift Lubricator

Brad,
Since they would be cutting a requested size, why don't you and I'll take care of it as soon as you let me know the damage$. Why don't I take four (4) so I have an "extra spare?"
Gary
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Old 09-05-2008, 10:30:41 AM
3/4 ADVANCE 3/4 ADVANCE is offline
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Thumbs up Re: Pyrex glass lens for Swift Lubricator

Hi All ; Ernst is a good source for many things. They also handle try cocks, guage glass which they will cut to whatever length you want, glass gaskets, mica washers so you don't twist the gasket when you tighten the glass nuts, etc. They don't give 'em away , but they also have different styles of guards / cages to protect your water glass. For the utmost in safety, they even have reflex glass - if you run 12" or 15" or 24" locos, think about that the next time you look at your water . During the "off season" you may be able to come up with quite a list of replacement parts, spares, and upgrades. My experience with the folks at Ernst has been very good, your results may vary. Hope this helps , 3/4 A
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Old 09-15-2008, 05:10:25 PM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

I got a price from Ernst, but they are out of stock for 3 weeks on the 3/16 thick x 13/16 dia glass. The price is the same for Annealed vs. Tempered, $28 each glass. I plan to order the Tempered glass which according to their information is good up to 500*F and 3x stronger than Annealed (400*F). The extra strength will allow me to order 1/8" thick glass (thus price may change) which should be good for pressures of at least 180psi according to Ernst's chart, and provide more room for the gaskets.

I've been running a fiber gasket with my nickel, so I plan to order 1 fiber gasket for the new glass, and if they cut to order I will also request a mica washer (0.005 thick) for the front side of the glass.

I'll probably call them back tomorrow and place an order for 10 glass/gasket/washer sets and sell my spares at cost to anybody that needs them.
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Old 10-28-2008, 10:43:10 PM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

I received my order of sight glasses. 10 glasses and 10 mica washers that I intend to use between the glass and the nut. I'll use my own fiber washers or garlock material for the steam side gasket.

I know I need at least 3 of the glasses for my lubricators, and I'll probably keep 2 spares. The other 5 are up for grabs. It cost me $291 for the ten glasses and washers shipped, so if anybody needs a nickel glass, $29 each + shipping for a glass and mica washer. I'll even throw in one of my fiber washers for free if I have enough spares.

I'll post a picture and put up an ad next week after I get back from Carthage, NC. In the mean time, anybody that needs a glass should send me an email through SmokStak, my PM box is almost full.
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Old 10-28-2008, 11:23:26 PM
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Default Re: Pyrex glass lens for Swift Lubricator

Brad, I still want two of them for my Case engine's lubricators. One at the governor and one on the marsh pump.
If you'll PM me with your address, I'll send you the money.
Gary
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Old 10-29-2008, 11:17:13 AM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

Gary,
Are you sure of the glass size for your lubricator at the governor?? Dad said the lubricator for our Case is a Quarter size, and I had him double check it. He said the glass that is in it now (broken) is Nickel size, but a Quarter will fit in the nut and if a Nickel were used it may take a couple trys to get it centered properly. Dad suggested that an O-ring could be put around the Nickel glass to help center it, but he recalls his uncle Harry Fleming saying that there are 2 different sizes, Nickel and Quarter...

The small lubricator on our Marsh pump and 2 others I have are Nickel size though.

Anyways, you may want to double check your lubricator.
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Old 10-29-2008, 11:31:39 AM
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Default Re: Pyrex glass lens for Swift Lubricator

Brad,
I'm pretty sure it is nickel on both. It was the first one I had to fix and it was where I was aware of it needing a nickel.

I remember seeing yours in pictures, and I think it is bigger than mine. It's a little hard to see the governor one in this picture, but I think my "ball chamber" is smaller than yours? Actually, you can see the small one to the left of Dick Tombrink's head too. Gary
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Old 11-04-2008, 02:01:19 PM
Brad Kelley Brad Kelley is offline
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Default Re: Pyrex glass lens for Swift Lubricator

Here's a picture of the sight glasses, mica washer, and the fiber washer I have. This also shows all the pieces stacked inside the nut for my Marsh pump's Swift lubricator.



Gary, if the post office is open today I'll mail your 2 glasses out ASAP.
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Old 11-04-2008, 03:02:43 PM
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Default Re: Pyrex glass lens for Swift Lubricator

Brad,
If you'd IM or email me, I need your address to mail that Money Order to you. And it's a good one too!

I'm sure anxious to get them in my hands! I like things to be complete and working... especially on my steam engine.
Gary
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