Early top mount double check valve

[NW Mailing List]

Don't forget to look in Locomotive Cyclopeadias for these valves.
Presumably you will need the earlier versions to find the early check valve
designs and suppliers.

 

Gary Rolih

 

From: nw-mailing-list-bounces at nwhs.org
[mailto:nw-mailing-list-bounces at nwhs.org] On Behalf Of NW Mailing List
Sent: Tuesday, December 20, 2011 7:53 AM
To: NW Mailing List
Subject: Re: Early top mount double check valve

 

The only possibilities I found in the database for drawings are:

 

NW-B1041

NW-B41988

 

Based on the drawing description, neither is for the check valve itself, but
they may be close enough to get a reference number on the drawing for the
valve.

 

Dave Stephenson

 

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From: NW Mailing List <nw-mailing-list at nwhs.org>
To: NW Mailing List <nw-mailing-list at nwhs.org> 
Sent: Sunday, December 18, 2011 9:42 AM
Subject: Early top mount double check valve

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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