Miller | Smith HD Single Stage Series 40 Oxygen Regulator (40-XX-540)

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