Victor TurboTorch 0386-0857 DP250-800-580 Nitrogen Purge Regulator 800 PSIG features a unique gauge guard for added protection, an easy to adjust color-coded knob, 800 PSI delivery, zinc aluminum housing cap for added strength and a forged brass body. This is a single stage regulator with a 1/4 inch flare fitting. The high pressure gauge is 4,000 PSIG (28,000 KPA). The low pressure gauge is 0-1,000 PSIG (0-7,000 KPA. There is a delivery range of 0-8,000 PSIG (0-5,500 KPA).