Smith Equipment Series 30 Single-Stage Regulator
The Smith Equipment Series 30 Single-Stage Regulator is a dependable choice for welders and metal fabricators who need consistent, safe gas delivery for oxy-fuel cutting and welding tasks.
- Inlet Connection
- CGA-540 (Oxygen) / CGA-510 (Fuel Gas)
- Outlet Pressure Range
- 0-125 PSI
- Body Material
- Forged Brass with Chrome Finish
- Gauge Size
- 2 inches
- Consistent gas delivery
- Durable brass build
- Easy-read gauges
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Running it
The Smith Equipment regulator represents a trusted standard in gas control technology for welding, cutting, and heating applications across industrial, fabrication, and repair settings. Built with precision-machined brass bodies and robust diaphragm assemblies, these regulators deliver consistent, reliable output pressure even as supply cylinder pressure fluctuates during a job. Whether configured for oxygen, acetylene, propane, or inert gases like argon and nitrogen, Smith Equipment regulators are engineered to meet the demands of professional welders, metal fabricators, and maintenance technicians who require dependable performance day after day. The color-coded gauges and CGA-compliant inlet connections ensure straightforward identification and safe, accurate installation on any compatible cylinder. Durability is a hallmark of this regulator line, with rugged housings designed to withstand the shocks, drops, and harsh conditions typical of busy shop floors and outdoor job sites. Internal components, including seats and diaphragms, are crafted from materials selected for chemical compatibility and long service life, reducing the frequency of maintenance and part replacement. Large, easy-to-read gauges with protective lenses allow operators to monitor both cylinder content and delivery pressure at a glance, even in dimly lit or cluttered work environments. The adjustment knob offers smooth, fine-tuned control, letting users dial in exact flow rates for delicate TIG work or higher-volume oxy-fuel cutting tasks without sudden pressure spikes or drops. Safety remains central to the design philosophy behind this Smith Equipment regulator, incorporating relief valves and pressure-relief mechanisms that protect against overpressurization and potential equipment failure. Its construction adheres to relevant industry standards, giving welding professionals confidence that the unit meets recognized safety benchmarks for gas handling equipment. Compact and ergonomically shaped, the regulator integrates easily into existing torch and hose setups, making it a practical upgrade or replacement part for shops standardizing their equipment. For welders who depend on consistent gas delivery to maintain weld quality and operational safety, this regulator offers the performance, longevity, and peace of mind expected from a well-established name in welding equipment manufacturing.
The Smith Equipment Series 30 Single-Stage Regulator is a dependable choice for welders and metal fabricators who need consistent, safe gas delivery for oxy-fuel cutting and welding tasks. Its rugged brass construction and clear gauge visibility make it a solid workhorse in both professional shops and home garages, though buyers should budget for a separate flashback arrestor for added safety.
The full plate
As stated by the manufacturer, 5 lines.
| Inlet Connection | CGA-540 (Oxygen) / CGA-510 (Fuel Gas) |
|---|---|
| Outlet Pressure Range | 0-125 PSI |
| Body Material | Forged Brass with Chrome Finish |
| Gauge Size | 2 inches |
| Max Inlet Pressure | 3000 PSI |
What holds up
- Delivers consistent gas flow even as cylinder pressure decreases
- Durable forged brass construction resists wear and corrosion
- Easy-to-read gauges simplify pressure monitoring
- Compatible with standard CGA fittings, no adapters needed
- Reliable performance across oxy-fuel welding and cutting tasks
- Reasonably priced for the quality and durability offered
What costs you
- Occasional gauge fluctuation reported under extreme temperature swings
- No integrated flashback arrestor, must be purchased separately
- Slightly bulkier than some competitor single-stage models
- Instructions for initial setup could be clearer for beginners
Stated features
- Single-stage diaphragm design for stable outlet pressure
- Forged brass body with chrome-plated finish for durability
- Color-coded gauges for oxygen and fuel gas identification
- CGA fitting compliant inlet connection
- Large 2-inch gauges for easy readability
- Constant-flow design maintains steady output as cylinder pressure drops
4 people who bought it
I've used this regulator daily in my fabrication shop for over a year. It holds pressure steady and the gauges are easy to read even in low light.
Solid build quality and works well with my oxy-acetylene setup. Just wish it came with a flashback arrestor included.
I do occasional welding projects at home and this regulator has been reliable. Setup took a bit of research but once installed, it's been trouble-free.
This regulator has survived drops and rough handling in my mobile welding business without losing accuracy. Highly recommend for pros on the go.
Three entries that sit next to it
Nearest standings in the ledger. Tick one to add it to the cross-reference sheet on the front page.
| 10 | Lincoln Electric Excalibur 7018 Electrodes Lincoln Electric · Torches & Consumables | 3/32", 1/8", 5/32", 3/16" | 4.7 / 5 | B+ | ||
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