Fuel system shout-off valve closing time
Fuel system shout-off valve closing time
(OP)
Hi!
I really hope that somebody can help me.
I need to find closing time for fuel system shut-off valve (Any valve but best of all would be for motor controled ball valve). Could anyone tell me how to do it or tell me where I can try to find some information?
I have a belief that it is possible to calculate but I heed your help.
Kind regards,
Laura
I really hope that somebody can help me.
I need to find closing time for fuel system shut-off valve (Any valve but best of all would be for motor controled ball valve). Could anyone tell me how to do it or tell me where I can try to find some information?
I have a belief that it is possible to calculate but I heed your help.
Kind regards,
Laura





RE: Fuel system shout-off valve closing time
A motor controled ball valve can be used on facilities for shipunloading or loading.
You have not described your application in detail so is difficult to help.
RE: Fuel system shout-off valve closing time
My focus: Alloy Valves Duplex Valves Super Duplex Valves Monel Valves Inconel Valves Titanium Valves www.6-moly-valves.com
RE: Fuel system shout-off valve closing time
I am doing a teoretical research of fuel system and I need a fuel shut off valve. I know that on commercial aircrafts they use hidromecanical solenoid controled valves but information about them is not accessible. So I can use any valve but it should be motor or solenoid controled.So I found that ball valves also could be used in fuel systems. If it isn`t so then maybe you can advise other type of valve for my research.
For my research I need to find closing time and quantity passing through the valve during closing time. Or better would say- I need to know the way how I can do it. Does the way differs depending on all parameters hsbcn (Mechanical) mentioned? Or they are parameters who has an influence but the way stays the same for different valves (like equations) After knowing the time I will decide is it OK with my project or not.
I hope now it clear now.
But thank you for your answers anyway.
Laura
RE: Fuel system shout-off valve closing time
RE: Fuel system shout-off valve closing time
Most are pneumatically operated to open with spring closure. Solenoid valve control the air in/out. Can't think of any electric operator that can close a ball valve in 1 second. Hydraulic operation can achieve these speeds, but is very expensive and messy.
What is used on burner management systems is probably too large for aircraft. If your pipe size is less than 1/4 inch, you have reached the low size limit to practically make a ball valve.
RE: Fuel system shout-off valve closing time
Have a look at ITT htt
Ciao,
RE: Fuel system shout-off valve closing time
RE: Fuel system shout-off valve closing time
Fuel: JET-A
Pressure: 50 psi
Fuel flow rate: 1400 l/min
RE: Fuel system shout-off valve closing time
If your goal is to get mathmetical equations, you'll have to derive them. If you simply want the results, most valve companies can give you the flow versus time of closure fairly easily. We have this capability built into software programs.