Hi, I'm looking to use a solenoid valve body in a sour natural gas application where H2S will be present. I can't find any published chemical compatability data for PEI in the presensce of H2S although it is classified as 1A for 50% sulphuric acid (there will be moisture present). I have also...
I have a problem with my domestic heating system. what happens is that the cold water supply from the header tank in the loft is also being heated when the boiler system is running - what we have effectively got is two hot taps!
I don't know much about the system other than it's got a std three...