15001-40 - Smith 15001-40 MIG Gas Saver Surge Protector 40 SCFH

Smith 15001-40 Surge Protector for MIG Welding

Stop wasting money on shielding gas and start getting cleaner weld starts with the Smith Equipment 15001-40 Surge Protector. Designed specifically for MIG welding applications, this compact device acts as a fixed flow restrictor that eliminates the sudden rush of gas—known as the "accumulator effect"—that occurs whenever a MIG gun trigger is pulled. This sudden burst is not only a waste of expensive Argon or CO2, but it can also disrupt the shielding envelope, leading to poor arc starts and potential defects.

The 15001-40 is engineered to provide a fixed flow rate of 40 SCFH, ideal for most standard MIG welding applications. It utilizes a precise .037" orifice to regulate the volume of gas passing through to the solenoid. To operate correctly, your primary regulator should be set to deliver approximately 30 PSI to the inlet of this device. The result is a consistent, controlled flow that provides adequate coverage without the turbulence associated with high-pressure surges.

Direct Connection Design

This surge protector is built for convenience and durability. It features robust brass construction and standard CGA-style 5/8"-18 UNF threads. It is designed to mount directly to the gas inlet on the back of your MIG welder or wire feeder. Simply disconnect your gas hose, thread the surge protector into the machine, and reconnect the hose to the protector. It works seamlessly with straight CO2, Argon, and mixed shielding gases.

Why use a Smith Surge Protector?

• Eliminates Gas Surges: Prevents the pressure spike stored in the delivery hose from blasting out all at once.
• Fixed Flow Control: Prevents operators from accidentally setting flow rates too high, ensuring consistent 40 SCFH output.
• Universal Fit: Fits most standard American wire feeders and welders with 5/8"-18 gas fittings.

Invest in the Smith 15001-40 today and see the difference in your gas bill and your weld quality.