kraythe Posted March 12, 2011 Share Posted March 12, 2011 Greetings, I am looking to buy a normally closed solenoid valve from MSC Direct that will serve as a safety shutoff if my blower looses power. So what I wanted to know is given my propane is being pulled out at x psi and that the diameter of the hose is 1/4", how can I compute the flow rate so that I can get the correct valve without impeding forge performance or over engineering. Thanks in advance. Quote Link to comment Share on other sites More sharing options...
Glenn Posted March 12, 2011 Share Posted March 12, 2011 By providing the specifications of CFM, PSI, etc, I would imagine that the supplier could then select the proper valve for that application. Quote Link to comment Share on other sites More sharing options...
John B Posted March 12, 2011 Share Posted March 12, 2011 Does flow rate matter particularly? If the shut off valve is normally shut, I would think if its connected to the motor and the motor shuts down, then the valve will automatically cut off as the current to the valve keeping it open is no longer doing so. Quote Link to comment Share on other sites More sharing options...
kraythe Posted March 12, 2011 Author Share Posted March 12, 2011 It maters when the valve is open or you will choke the forge of fuel. Quote Link to comment Share on other sites More sharing options...
ciladog Posted March 13, 2011 Share Posted March 13, 2011 You are making this way to complicated. If all the fittings for your propane are ¼ inch then all you need is a ¼ inch solenoid valve made for propane. Its a low-flow valve. #47545K33 Quote Link to comment Share on other sites More sharing options...
knots Posted March 14, 2011 Share Posted March 14, 2011 Volume of fuel gas flow is a function of fuel gas supply pressure and orifice size . Referenced below are sites containing formulas and data. .http://gasho.org/rotron%20pages/orifice%20flow%20calculation.htm http://www.auto-ware.com/techref/orifice.htm Propane energy content: 91690 BTU/US gallon Quote Link to comment Share on other sites More sharing options...
DennisG Posted April 16, 2011 Share Posted April 16, 2011 I know it is a month later but try HERE. The calculator is fantastic. Takes into account the orifice size, bottle size, psi and gives you all your info. Quote Link to comment Share on other sites More sharing options...
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