Harris 351-60CD-320 Ar, CO2 Heavy Duty Flowmeter / Regulator - 3100330

The Model 351 cylinder flowmeter regulator offers zero compensation, ensuring more efficient use of shielding gas. Its unique design makes it highly resistant to carbon dioxide (CO2) freeze - up compared to competitors. The flowmeter comes with a durable and easy - to - read flow tube and cover. The regulator features a brass body and bonnet for long service life, a 50mm ABS plastic dual - scale (psi/bar) gauge that's easy to read, a one - piece encapsulated seat with an internal filter to protect the PTFE Teflon® seat from particles, and a large plastic knob for easy gripping and precise adjustments. Other great features include a neoprene diaphragm for better pressure control, accurate dual - scale flow control up to 70 SCFH, vertical mounting only, and it's made in the USA with a 7 - year warranty. It's an economical and compact choice for cylinder applications.

Using this Harris flowmeter regulator is easy. First, connect the inlet to your gas cylinder using the CGA 320 connection. Then, connect the outlet to your equipment using the 5/8' - 18 (F) connection. You can adjust the flow using the black plastic knob for precise control. When using, make sure the gas is either argon or carbon dioxide as specified. Only mount it vertically. Keep in mind that the maximum inlet pressure should not exceed 3000 PSIG. For maintenance, check the internal filter regularly to ensure it's not clogged with particles. Also, look at the neoprene diaphragm for any signs of wear. If you notice any issues, contact our customer service. This product comes with a 7 - year warranty, so you can use it with confidence.