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Old 28th August 2016, 04:46 PM
M_Walters M_Walters is offline
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Full Name: Michael Walters
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Default Dewrance 1/4" Valve No.3000

Wanted Dewrance globe valve reference no. 3000 with nickel alloy valve and seat, valve size 1/4" fittings. This is for the blower valve on my Garrett wagon which is fed with superheated steam; this cuts through normal valve seats very quickly. Suggestions for alternative valves with renewable seats welcome.
Please send privae message.
Thank you
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Old 28th August 2016, 07:38 PM
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notyalc notyalc is offline
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Full Name: Anthony Lister
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Crane will have an alternative I would think. Not sure of ref numbers though.
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Old 28th August 2016, 08:05 PM
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Robey1928 Robey1928 is offline
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Michael, would it not be possible to take the steam for the blower from a none superheated supply?
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Old 28th August 2016, 10:21 PM
M_Walters M_Walters is offline
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Quote:
Originally Posted by Robey1928 View Post
Michael, would it not be possible to take the steam for the blower from a none superheated supply?
Thank you for your suggestion Donald, yes, that would be a practical solution but I am trying to replicate what Garretts did. If I move the valve to the wet steam side of the superheater it won't be as easily accessible. The alternative would be to make an additional tapping in the boiler.

Michael.
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Old 28th August 2016, 10:23 PM
M_Walters M_Walters is offline
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Full Name: Michael Walters
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Quote:
Originally Posted by notyalc View Post
Crane will have an alternative I would think. Not sure of ref numbers though.
Thank you Anthony, I will have another look at what Cranes have to offer if I can't find a Dewrance valve.

Michael.
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Old 29th August 2016, 12:48 AM
weidner weidner is offline
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Full Name: Bob Allison
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I had a brief google on this , and there appear to be such valves made , but they look as though they may be expensive , being very thoroughly engineered .
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Old 29th August 2016, 04:53 PM
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andrew hawkswell andrew hawkswell is offline
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this is a section of the Dewrance catalogue listing their 3000 and 3000N renewable seat stop valves. also a description of the nickel alloy.
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