Skip to content
Miller | Smith HD Single Stage Series 40 Oxygen Regulator (40-XX-540)
Download Product Spec Sheet
Select Size (Parts & Accessories):
Select Size (Parts & Accessories)
Lead time: 1-2 Weeks
Quantity:
The Miller Smith heavy-duty series 40 regulators offer industrial grade quality, providing accurate pressure readings for welding, cutting, heating, and other applications. These regulators come with a 3-year warranty and provide consistent gas flow due to the durable construction.
Optional Hard Hat Regulator Guards are sold separately (HB190).
Features
• Resin Bonnet Insert (series 40/46 only) - allows smooth, easy adjustment even at high-pressure levels
• Stainless Steel Diaphragm - resists corrosion, leaking and freeze-up if used with liquid gases
• Color-Coded Labels - supplies performance capabilities, easy gas service, and identification
• External Relief Valve - protects regulator from damage due to inadvertent high-pressure surge
• Nickel-Plated Bonnet - along with brass body, these protect against corrosion
• Gauges and Lenses - 2.5 inch corrosion-resistant polished brass gauges with shatter-resistant lenses
• Sure Seat Dual-Filtered Seat Assembly - protects high-pressure seat from debris for reliable operation
Quick Specs
• Max Delivery Pressure: 175 or 275 PSI
• Max Inlet Pressure: 3,000 PSI (207 Bar)
• Outlet Connection: 9/16"-18 RH
• CGA: 540
Optional Hard Hat Regulator Guards are sold separately (HB190).
Features
• Resin Bonnet Insert (series 40/46 only) - allows smooth, easy adjustment even at high-pressure levels
• Stainless Steel Diaphragm - resists corrosion, leaking and freeze-up if used with liquid gases
• Color-Coded Labels - supplies performance capabilities, easy gas service, and identification
• External Relief Valve - protects regulator from damage due to inadvertent high-pressure surge
• Nickel-Plated Bonnet - along with brass body, these protect against corrosion
• Gauges and Lenses - 2.5 inch corrosion-resistant polished brass gauges with shatter-resistant lenses
• Sure Seat Dual-Filtered Seat Assembly - protects high-pressure seat from debris for reliable operation
Quick Specs
• Max Delivery Pressure: 175 or 275 PSI
• Max Inlet Pressure: 3,000 PSI (207 Bar)
• Outlet Connection: 9/16"-18 RH
• CGA: 540
| MPN: | MIL40-175-540 |
|---|
MPN: MIL40-175-540
Download Product Spec SheetBrands you trust at prices you can afford!
Over the past decade, we've become the country's most trusted one-stop online welding shop. We've done it with the guaranteed lowest prices, the best customer service in the industry, and a commitment to providing the best online shopping experience for all welders.
------------------------------
From The Blog
MIG
Everything You Should Know About the New Millermatic 211 PRO
The Millermatic 211 is dead; long live the Millermatic 211 PRO. That’s right, possibly the best-selling MIG machine in history now has a successor. In this article, we’ll cover everything you need ...
General
Miller’s Top Multi-Process Machines
More and more welders are replacing their old machines with multi-process welders each year. The cost- and space-saving benefits make them the ideal choice for anyone who uses more than one process...
Stick
Venture 150 S: Miller’s Battery-Powered Revolution
Portable welding has always been limited by one thing: A plug. Up until now, if you wanted to lay a bead in a remote place, you’d either need a really long extension cord or some type of generator....