Harris - 701-015-580-B - 701015580B - Argon/Helium/Neon/Nitrogen Regulator 1100 or use a soap-bubble flowmeter

or use a soap-bubble flowmeter (inexpensive field calibration tool) at the torch outlet while the flowmeter is set to a known rate

allowing you to TIG weld aluminum up to 1/4-inch with precision and power

Lincoln OEM CONTROL PANEL ACCESS DOOR M22669 - 9SM22669

MK Products Gas Hose 1/8ID 50FT - OEM Compatible - 552-0241-50

Harris - 701-015-580-B - 701015580B - Argon/Helium/Neon/Nitrogen Regulator 1100 or use a soap-bubble flowmeterHarris High Purity Regulator Model 701 015 580 B 701015580B Model HP701 is a chrome plated brass Single Stage Cylinder Regulator with a Stainless Steel diaphragm for general laboratory use. The HP701 can be used when a slight pressure rise from full to empty Cylinder can be tolerated. This model is available with various delivery pressures, CGA inlet fittings, accessories and other options for a customized Regulator to meet specific requirements.