Victor® Turbo Torch® DP250 Nitrogen Purging Single Stage Regulator offers 0 - 800 psig delivery range and will eliminate oxidation that results from heating the copper pipe. It features a unique gauge guard with 1/4" flare fitting to provide additional protection with easy to adjust color-coded knob. It has zinc aluminum housing cap with forged brass body to provide magnificent durability. It can used with 0 - 1000 psig l.p. gauge and 4000 psig h.p gauge.