Might depend on the type of valve, but I broke down my Blichmann BK and HLT valves after many many batches, and both were sparkling clean. I flush with hot water after each brew and then PBW 1-2 times per year
Thanks!
Used the below mount from Amazon.
I have the panel from Kal, and when the silver mounting brackets (don't know the actual term) are removed I used the hardware they were attached with to attach the mount to the panel. Had to widen the holes in the mount a little with a drill, but...
I've got a 20g Blichmann kettle and do 5g batches from time to time. (Well usually 6 gal ending volume, .5 for trub and such in the kettle, and .5 for the yeast post fermentation)
Like Govner1 I run the wort thorough my pump/cfc just after shutting off the flame on the boil, and let it recirculate for a few min until everything is nice and toasty. However I don't use StarSan on it, rather let the heat kill off any wild bugs, and then flush well with very hot water after...