Harris 702 250 590 A 702250590A Carbon Monoxide Nitrous Oxide Regulator 9172HV Adjusting Knob ABS plastic Body Package Size:0.045 in, 1000 lb Infinity Pak Adjusting Knob ABS plastic Body Brass barstock Bonnet Brass barstock Certification CGA E4 Delivery Pressure Range (PSIG) 0 015 Diaphragm 316L Stainless steel Equipped With 1 4" NPT (F) needle valve Filter Nickel plated sintered bronze – 10 Micron Gas Gas Service Acetylene Gauges 2" Chrome plated brass dual scale (PSI BAR) Inlet Connection CGA 510A Mounting Location Front Panel Mount Nozzle Brass Outlet Gauge Red zoned from 15 to 30 psi Recommended Items Accessories Front Panel Mounting Kit PN 9100871 Seal PTFE Teflon® Seat PTFE Teflon® Seat Return Spring PH 17 – 7 Stainless Steel 44 lb steel spool (EDS30776) — the production format for structural and heavy equipment fabrication on HSLA and quenched and tempered (Q&T) steels requiring minimum 90 ksi weld metal tensile strength CGA inlet fittings Equipped with an external relief valve