
Miller | Smith HD Single Stage Series 40 Oxygen Regulator (40-XX-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
Original: $275.00
-70%$275.00
$82.50Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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
























