The OPW 6500 series angle loading valve, made in cast aluminum, allows fluid to be held in the line out to the end of the loading arm. The aluminum body is constructed with stainless steel trim for a range of fluid handling capabilities. It has the “deadman” feature that requires the operator to hold the handle in the open position while loading. End connections are female pipe thread by TTMA flange. Available in 3" and 4".