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 Post subject: The largest valve in the world 1910
PostPosted: Thu Jul 16, 2020 12:09 pm 

Joined: Tue Aug 27, 2019 9:48 pm
Posts: 250
Location: Milford,Ma
Power and the engineer article from 1910


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 Post subject: Re: The largest valve in the world 1910
PostPosted: Fri Jul 17, 2020 12:18 pm 

Joined: Mon Oct 01, 2018 3:51 pm
Posts: 248
Location: Ipswich, Mass., Phoenix, AZ
Fascinating. Thanks for posting. Ned


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 Post subject: Re: The largest valve in the world 1910
PostPosted: Fri Jul 17, 2020 6:38 pm 

Joined: Sun Jun 23, 2013 1:16 pm
Posts: 124
What are the chances that those valves are still in operation?

Some great slide rule engineering going on back then.

You only get one chance. After it's in and the water builds up behind the dam, there is no taking it out to "redo" it.


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 Post subject: Re: The largest valve in the world 1910
PostPosted: Mon Jul 20, 2020 10:38 am 

Joined: Tue Aug 27, 2019 9:48 pm
Posts: 250
Location: Milford,Ma
The 1899 Chapman Valve catalog. Enjoy.

https://archive.org/details/cataloguean ... pman+valve

And the 1888 catalog.

https://archive.org/details/cataloguega ... pman+valve



And a little history.
http://www.firehydrant.org/pictures/cha ... alve%20Mfg.


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 Post subject: Re: The largest valve in the world 1910
PostPosted: Tue Jul 21, 2020 1:31 pm 

Joined: Wed Jun 29, 2016 11:58 am
Posts: 106
Bad Order wrote:
What are the chances that those valves are still in operation?



The original Kingsbury thrust bearing from 1912 is still in service at the Holtwood hydroelectric plant on the Susquehanna river in southern Pennsylvania.

https://www.kingsbury.com/about_us

https://en.wikipedia.org/wiki/Holtwood_Dam

Brian


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 Post subject: Re: The largest valve in the world 1910
PostPosted: Tue Oct 13, 2020 1:26 pm 

Joined: Tue Aug 27, 2019 9:48 pm
Posts: 250
Location: Milford,Ma
Another "big one". A shaft for the Boston Elevated Railway from the December 1899 edition of Steam Engineering. 65,000 pounds!


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 Post subject: Re: The largest valve in the world 1910
PostPosted: Sun Feb 28, 2021 11:54 am 

Joined: Tue Aug 27, 2019 9:48 pm
Posts: 250
Location: Milford,Ma
Another big one.


https://envirotecmagazine.com/2017/05/0 ... e-project/


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