The Weldmark® by Victor G 350 manufactured by IWDC is a heavy duty, high capacity, single stage, industrial regulator, designed to be used with oxygen. Best paired with industry types such as welding, civil construction, general manufacturing, industrial and general fabrication, light fabrication, repair and maintenance, and structural steel fabrication. This 2 in diameter gauge is made with a brass body, and high strength alloy bonnet. Connection details include 0.908 in female side port 540 CGA inlet, with NGO thread standard at 14 threads per inch, and 0.5625 in male 022 CGA outlet, with a right hand UNF standard thread at 18 threads per inch. The inlet pressure cylinder max is rated at 3000 psi, inlet pressure gauge max rated at 4000 psi, and inlet pressure max rated at 3000 psi. The outlet pressure min/max is rated at 0/150 psig, and outlet pressure gauge max is rated at 200 psig. Meets or exceeds UL Listed standards.