What type and rating are the gas valves used in the Multimatic 255?
The gas valves are 24 VDC, 1-way valves with 750-14 thread, 2mm orifice, and rated at 100 PSI (Part No. 262572). Two of these valves are used in the Rear Panel Assembly.
From the official Miller Multimatic 255 Multi-Process Welder manual, page 7
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