When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
but the 340 means more volume no necessarily have to be more psi !
Yes, but pressure is only a restriction. Volume creates pressure. Overloading an undersized regulator with volume it can not handle will create extra pressure.