Racer1_NC Posted October 1 Posted October 1 One of the issues we as CH O2 users has been when we have both M and E tanks available to use. The M/Welding tanks use a CGA540 connection, and the E tanks use a CGA870 thus preventing swapping regulators between the two. While I've known of an adaptor that allows you to run M tank regs on E tanks, I've only heard talk of a device that allows to reverse, the ability to use a E tank reg on a M tank. Until now, I didn't think such an adaptor could be sourced, but I finally found it and have tested it myself. It works!! There is a nonstandard seal requirement, but that's easily met. You simply order the thick seals linked below and use them in place of the standard brass/rubber seals we normally use. I have no financial connection to these items, and this is for informational purposes only. You be the judge if this set up is right for you. The adaptor. The seals. 2 Quote
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