{"product_id":"rx-weld-small-oxygen-acetylene-regulator-set-compact-cga540-cga200","title":"RX WELD Small Oxygen Acetylene Regulator Set - Compact CGA540\/CGA200","description":"\u003cp\u003eIn this review the RX WELD Small Oxygen Acetylene Regulator Set is evaluated for hobbyists and light fabrication users who need a compact, durable regulator pair for small oxy-acetylene work. The set earns attention because it pairs a CGA-540 oxygen regulator and a CGA-200 acetylene regulator sized for MC tanks, making it a focused choice for torch cutting, brazing, and small welding jobs where portability and correct fittings matter. The most persuasive reason to buy is the brass construction and A-size 3\/8'-24 outlet thread compatibility with twin welding hose, which gives reliable pressure control for routine shop tasks.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCGA-540 oxygen inlet:\u003c\/strong\u003e Provides compatibility with standard oxygen tanks and accepts high inlet pressure up to 4000 PSI for stable supply in shop use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCGA-200 acetylene inlet:\u003c\/strong\u003e Designed specifically to fit small MC acetylene tanks with CGA-200 valves so users avoid improper tank connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual dials on oxygen regulator:\u003c\/strong\u003e Separate inlet and output gauges let you monitor delivery and working pressure precisely from 0-4000 PSI and 0-100 PSI respectively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene pressure range:\u003c\/strong\u003e The acetylene regulator offers delivery and output control suitable for gas welding and cutting with a 0-400 PSI delivery range and 0-30 PSI working output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass body construction:\u003c\/strong\u003e The regulator meters are made of brass to resist corrosion and withstand harsh workshop environments for long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA-size outlet thread:\u003c\/strong\u003e Outlet connectors use 3\/8'-24 for A fittings on twin welding hose for direct connection to A-size equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe RX WELD regulator set is best for hobby welders, small shops, and field technicians who use compact oxygen and acetylene cylinders for brazing, light cutting, or torch work and who specifically need A-size fittings and a CGA-200 acetylene inlet. It is a practical, value-oriented option when portability and correct hose compatibility are priorities.\u003c\/p\u003e\u003cp\u003eIt is not suitable for users who rely on larger acetylene cylinders, propane, disposable MAPP or propane canisters, or those who need B-size fittings; the acetylene regulator only fits small MC tanks with a CGA-200 valve and will not adapt to larger tank valves.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSolid brass construction offers durability and resistance to workshop conditions.\u003c\/li\u003e\n\u003cli\u003eClear pressure ranges and dual dials on oxygen regulator enable accurate setup and monitoring.\u003c\/li\u003e\n\u003cli\u003eA-size 3\/8'-24 outlet threads allow direct connection to twin welding hose for A fittings.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for MC acetylene tanks with CGA-200 for safe compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAcetylene regulator only fits small MC tanks with CGA-200 and is not compatible with larger tanks or disposable canisters.\u003c\/li\u003e\n\u003cli\u003eNot suitable where B-size fittings or propane connections are required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRX WELD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOxygen inlet connector\u003c\/td\u003e\n\u003ctd\u003eCGA-540\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetylene inlet connector\u003c\/td\u003e\n\u003ctd\u003eCGA-200 (MC tanks only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet thread\u003c\/td\u003e\n\u003ctd\u003e3\/8'-24 for A fittings (twin welding hose)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOxygen pressure\u003c\/td\u003e\n\u003ctd\u003eDelivery 0-4000 PSI, Output 0-100 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetylene pressure\u003c\/td\u003e\n\u003ctd\u003eDelivery 0-400 PSI, Output 0-30 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBrass body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe RX WELD Small Oxygen Acetylene Regulator Set is a focused, well-built option for hobbyists and small shops that need correct A-size hose fittings and a CGA-200 acetylene inlet for MC tanks. Its brass construction and clear pressure ranges make it solid value for routine torch work, but buyers needing larger tank compatibility or propane\/MAPP hookups should look elsewhere.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this fit standard oxygen tanks?\u003c\/strong\u003e\u003cbr\u003eYes, the oxygen regulator uses a CGA-540 inlet suitable for standard oxygen cylinders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use this acetylene regulator on larger acetylene tanks?\u003c\/strong\u003e\u003cbr\u003eNo, the acetylene regulator only fits small MC tanks with a CGA-200 valve and will not fit larger cylinders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat hose thread do the outlets use?\u003c\/strong\u003e\u003cbr\u003eThe set uses 3\/8'-24 outlet threads for A fittings on twin welding hose.\u003c\/p\u003e","brand":"RX WELDER","offers":[{"title":"Default Title","offer_id":48205890224347,"sku":"B0DHKSCXGK","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71DTsBBrXRL._AC_SL1500.jpg?v=1770231339","url":"https:\/\/gearmusthave.com\/products\/rx-weld-small-oxygen-acetylene-regulator-set-compact-cga540-cga200","provider":"GearMustHave","version":"1.0","type":"link"}