Fwd: Early top mount double check valve

[NW Mailing List]

I sent this to a engineering friend and below is his reply. 
Hope this helps. 

Tom Lewis

Begin forwarded message:


> From: R W DETTMER <roscaler at bellsouth.net>

> Date: December 19, 2011 9:07:33 PM EST

> To: Tom Lewis <tlpost at aol.com>

> Subject: Re: Fwd: Early top mount double check valve

> 

> 

> Tom,

> It looks like it was made by Edna Brass Manuf. Co.

>  

> Ron  

> From: Tom Lewis <tlpost at aol.com>

> To: roscaler <roscaler at bellsouth.net>

> Sent: Mon, December 19, 2011 8:19:42 AM

> Subject: Fwd: Early top mount double check valve

> 

> Ron

> Any ideas on the question below?

> 

> Tom Lewis

> 

> Begin forwarded message:

> 

>> From: NW Mailing List <nw-mailing-list at nwhs.org>

>> Date: December 18, 2011 9:42:00 AM EST

>> To: "NW Mailing List" <nw-mailing-list at nwhs.org>

>> Subject: Early top mount double check valve

>> Reply-To: NW Mailing List <nw-mailing-list at nwhs.org>

>> 

>> Many of N&W's early version locos (E2, M, M2, K1, K2, K3, Z1) used a top mount double check valve where the pipes entered the valve body from the rear, rather than the sides.

>>  

>> 

>>  

>>  Would anyone know who made this valve? Has anyone ran across a drawing of this style of check valve in the archives?

>>  

>> Jimmy Lisle

>> ________________________________________

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