Western Enterprises 316 Brass Cylinder Adaptor – CGA-300 to CGA-520 "B" Tank The Western Enterprises 316 adaptor is a high-quality brass fitting designed to connect CGA-300 commercial acetylene regulators to CGA-520 "B" tank valves. Ideal for temporary setups, this adaptor enables compatibility between components with differing CGA threads, allowing for a secure and reliable connection when a direct fit is not possible. Key Features: Adaptor Type: CGA-300 (Male) to CGA-520 (Female) Material: Durable, corrosion-resistant brass Application: Used to connect acetylene regulators to tanks with incompatible CGA threads Note: Not intended for permanent installations; for temporary or emergency use only Ensure safe and efficient gas handling with this precision-machined adaptor from Western Enterprises — trusted for quality and performance in gas control applications.