Miller-Smith Equipment
Miller-Smith Equipment 220-4106 High Purity Gas Regulator Two Stage CGA-350 0 to 15 psi
Two-stage brass regulator with stainless-steel diaphragm delivers hydrogen from CGA-350 cylinders at 0 to 15 psi
- TypeWelding Supplies
- Two-stage design delivers stable 0 to 15 psi outlet pressure
- CGA-350 inlet connects directly to hydrogen cylinders
- 1/8 in brass tube fitting provides secure outlet connection
- Brass body with stainless-steel diaphragm ensures high-purity gas service
- 4,000 psi supply gauge monitors cylinder pressure at a glance
High-Purity Two-Stage Regulator
The Miller Electric 220-4106 is a high-purity gas regulator designed for cylinder supply applications requiring precise low-pressure delivery. It features a two-stage mechanism with a CGA-350 inlet connection and a 1/8 inch brass tube fitting outlet. The unit controls delivery pressure from 0 to 15 psi and handles a maximum inlet pressure of 3,500 psi.
Ideal for Hydrogen Service
This regulator suits operators needing accurate pressure control for hydrogen gas in welding or laboratory settings. The stainless steel diaphragm and brass body with Sure Seat filtered seat support high-purity requirements. It is not for buyers who need higher delivery pressures beyond 15 psi or those requiring a different inlet standard than CGA-350.
Includes Gauges and Bonnet
The package supplies a bonnet and a 2 1/2 inch supply pressure gauge rated to 4,000 psi for immediate installation. The plated brass body and filtered seat assembly are factory-fitted, reducing setup time. No additional fittings or control components are mentioned in the supplied data.
Highlights
- Two-stage design delivers stable 0 to 15 psi outlet pressure
- CGA-350 inlet connects directly to hydrogen cylinders
- 1/8 in brass tube fitting provides secure outlet connection
- Brass body with stainless-steel diaphragm ensures high-purity gas service
- 4,000 psi supply gauge monitors cylinder pressure at a glance
Specifications
| Brand | MILLER ELECTRIC |
|---|---|
| Type | Welding Supplies |
Questions about this item
Do I need a hydrogen cylinder with a CGA-350 valve to connect this regulator?
Yes, the inlet connection is CGA-350 and the gas service is hydrogen, so the cylinder must match that valve type.
Will the 1/8 inch brass tube fitting outlet work with my existing welding torch hose?
The outlet is a 1/8 inch brass tube fitting; you will need a compatible hose or adapter that matches that size and thread.
How can I confirm the two-stage regulator is delivering a steady 0 to 15 psi after installation?
Watch the 2 1/2 inch delivery pressure gauge; it should hold your set pressure without creep as the cylinder pressure drops.
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