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Brass flowmeter regulator with dual gauges and CGA-580 inlet

Miller Enterprises

Miller Enterprises 22-30-580 Brass Flowmeter Regulator

SKU CH-ZBN0-3BXRR

Brass single-stage regulator with flowmeter delivers 0–30 psi for argon, CO₂ and helium from a CGA-580 cylinder, includes filtered seat and flowball, UL listed

  • Product typeOthers
  • Precise gas control for argon, CO₂ and helium
  • Single-stage design delivers 0–30 psi outlet pressure
  • Brass body with neoprene diaphragm resists corrosion
  • CGA-580 inlet fits standard high-pressure cylinders
  • UL Listed safety certification for general-purpose welding use

Brass Flowmeter Regulator for Argon, CO₂ and Helium

The Miller Enterprises 22-30-580 is a single-stage brass regulator designed for general-purpose welding and gas-shielding tasks. It accepts argon, carbon dioxide and helium from a high-pressure cylinder through a CGA-580 inlet. The 5/8 in.-18 RH internal outlet fits standard torch and hose assemblies. A 2 in. body diameter keeps the unit compact on the bench.

Thermals noise and power draw in normal use

The brass body and neoprene diaphragm operate without electrical power, so there is no fan noise or heat generation during regular flow adjustment. A filtered seat helps maintain clean gas delivery while the flowball indicator provides a visual reference. Supply pressure is monitored on a 0 to 4000 psi gauge and delivery pressure is adjustable from 0 to 30 psi.

Behaviour under sustained load

The regulator is rated for a maximum inlet pressure of 3,500 psi and is UL listed for consistent performance during extended welding sessions. Single-stage construction means delivery pressure will vary as cylinder pressure drops, requiring periodic readjustment on long jobs. The filtered seat resists contamination that could otherwise affect flow stability over time. Buyers who need dual-stage pressure stability for precision applications should consider other options.

How it compares

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Price $164.99
Pricier than about 75% of the 1,978 comparable items (median $50.99).

Specifications

Product
Brand nameMILLER ELECTRIC
Product typeOthers

Questions about this item

How do I connect the CGA-580 inlet to my gas cylinder and what step is often missed?

Thread the CGA-580 nut onto the cylinder valve, tighten with a wrench, then slowly open the valve; the step often missed is checking the filtered seat for debris before pressurising.

Which parts will need replacement after extended use on argon or CO2?

The neoprene diaphragm and the filtered seat are the wear items; inspect the flowball for sticking and replace the diaphragm if delivery pressure drifts.

At what inlet pressure does the single-stage design start to lose steady output?

As cylinder pressure drops below roughly 500 psi the delivery pressure can rise, so plan to swap cylinders before the supply gauge reads that low.

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