Valve for Vacuum Brake

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doublereefed
Posts: 210
Joined: Wed Jan 30, 2008 7:24 am
Location: Manhattan Beach, CA

Valve for Vacuum Brake

Post by doublereefed »

Seeking methods for plumbing the steam ejector to a valve. I'd like to use a 1/4 turn ball valve under the cab floor, then run a control rod up through cab floor and machine up a stand/handle. I can't find a good valve to use though. The smallest I have found are still quite big, and very stiff. Any advice appreciated.
southwestern737
Posts: 168
Joined: Sun Nov 12, 2006 8:45 am
Location: Magnolia, TX

Re: Valve for Vacuum Brake

Post by southwestern737 »

The small ball valves from American Model Egineering, work very well for what you are trying to do. Just leave the handle on them and build an extension with a yoke on the end that grabs the handle.
Brent
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Trainman4602
Posts: 3482
Joined: Sat Oct 16, 2004 9:26 pm
Location: New Jersey

Re: Valve for Vacuum Brake

Post by Trainman4602 »

Just as a second consider using my injector starter valve. I have seen this used for this application.

You can fit it up with a rod extension to the back of the cab. You get instant results with the ball valve you would have to make stops.
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ALLWAYS OPERATING MY TRAIN IN A SAFE MANNER USING AUTOMATIC AIR BRAKES
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