Gents, I have a derivative application where I need to meter a "gaseous substance" which can be supplied at a pressure of from 30 to 80 psi above the plenum pressure to which it will be injected. Consider it an inert gas. I must be able to meter it over a 15/1 turndown ratio with hopefully an injector capable of PWM control. NOs type "injectors" and solenoid valves are not what I am after.

I need a high reliability type injector. Anyone that has experience here and is willing to share I would appreciate it! Make, model, good / bad experience.

 

that rota92 (sp?) guy may have some experience, has the license plate in his avatar, iirc he said Bosch as pretty good.

edit: just saw a post of his, it is indeed rota92 he talks about it on this thread:

https://honda-tech.com/zerothread/2380150


Modified by blinx9900 at 10:40 PM 9/8/2008

 

My friends dad who used to work for MichCon on their CNG vehicle research team used Bosch racing methanol injectors to "inject" natural gas directly into the cylinders. Said he used them because they didn't require any lubrication from the fuel to operate.

 

Thanks gents! Just the insight and information I was looking for: knowing what injector type to pursue that did not need fuel for cooling and lubrication.