rtbcomp Moderator Messages 18,574 Location Sheffield UK Mar 3, 2014 #21 brightspark said: i have one here . there only fitted on large blasting pots as u cant regulate them acurately enough on small pots they have a 20mm bore un choked and run up to over 300cfm setups Click to expand... These people do a range from 1/2 to 1-1/4 inch http://eshop.robsonblastcleaning.com/Abrasive-Metering-Valves
brightspark said: i have one here . there only fitted on large blasting pots as u cant regulate them acurately enough on small pots they have a 20mm bore un choked and run up to over 300cfm setups Click to expand... These people do a range from 1/2 to 1-1/4 inch http://eshop.robsonblastcleaning.com/Abrasive-Metering-Valves
