compressor drain valve

[foggo]

hi does anyone know where i can get a compressor drain valve for a sip 150l receiver tank? the old one is knackered (the bit you undo with your fingers) so have to take out the whole lot with a spanner to drain, im after the whole thing which has a 5/8" thread that screws in to the tank not sure of thread size on brass bit as i cant get it out without completely mashing it and then wouldnt be able to use compressor.

[tractorman]

Try SIP! I used Google and found this:

http://www.sipuk.co.uk/tools/START.htm

It takes a while to get to the specific comprssor, but the lists do show the drain valves.