Victor 0781-0528 SR450D-580 Professional Single Stage Regulator<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Delivery range in PSIG of 5-125</li><li>Gauge range inlet is 4，000 and outlet of 200</li><li>CGA inlet connection is 580 and outlet connection of 5/8 inch - 18 F LH</li><li>Maximum inlet pressure in PSIG is 3，000 and the flow coefficient in Cv of 0.27</li><li>Recommended for applications where slight delivery pressure increases (due to decreasing cylinder pressures)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51%2BHxSwNUUL.jpg" noproxy>