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The Model 425 also has one-piece encapsulated seat design with an internal filter & PTFE teflon seat. It features a brass bonnet & body with 2 1/2inch dual scale gauges. It has a tamper proof, self-reseating internal HP safety valve & conforms to a CGA E-4. Its' bronze adjusting screw resists corrosion & provides for smooth adjusting.
Our Harris Model 425 fuel regulators are low flow, 0-15 PSI delivery for cutting & welding. If you need a high flow regulators call for pricing. These Harris fuel regulators are fitted for LP tanksl or POL acetylene tanks. The 61adaptor on our Oxy-Fuel Accessories is required to fit this regulator to other acetylene bottles. | 
