Miller Smith® Series 40 Heavy-Duty Acetylene Regulator w/ Hard Hat, 15 PSI, CGA 510 #40-15-510S

Smith® Series 40 Acetylene Regulator for Heavy-Duty Use, CGA 510 #40-15-510S

The Miller Smith® Series 40 Acetylene Heavy-Duty Regulator is engineered for high gas flow oxy-fuel applications, offering precise pressure control with a maximum delivery pressure of 15 psig and an inlet pressure of 400 psig. Built for durability and reliability, it features a stainless steel diaphragm to resist corrosion and freeze-up, along with a resin bonnet insert for smooth adjustments under high pressure. With dual filters and a Sure Seat™ design to protect against debris, this regulator ensures long-lasting, reliable performance. Backed by Miller 3-year warranty.

What's Included

• Smith® Series 40 Acetylene Regulator
• Hard Hat assembly
• CGA 510 connection

Highlights

• Max Pressure: 15 psig delivery, 400 psig inlet pressure for optimal performance.
• Corrosion Resistant: Stainless steel diaphragm resists corrosion and freeze-up.
• Smooth Adjustments: Resin bonnet insert ensures easy pressure control.
• Safety Valve: External relief valve prevents damage from high-pressure surges.
• Durable Construction: Nickel-plated bonnet and forged brass body resist corrosion.
• Clear Gauges: 2.5-inch regulator gauges with shatter-resistant polycarbonate lenses.
• Reliable Operation: Dual filters protect the high-pressure seat for longevity.

Industries

• Metal fabrication
• Heavy-duty welding
• Manufacturing
• Automotive repair
• Maintenance and repair

Benefits of the Smith® Series 40 Acetylene Regulator

• Built for high gas flow applications, including liquid service
• Stainless steel diaphragm ensures a long service life even with liquid gases
• Color-coded labels for easy gas identification and technical information
• External relief valve protects regulator from high-pressure surges and automatically resets
• Durable, corrosion-resistant nickel-plated bonnet and forged brass body
• Shatter-resistant 2.5-inch regulator gauges for easy pressure monitoring
• Sure Seat™ dual filter system prevents debris buildup for consistent performance

Fast, Free Shipping & Easy Returns

Your in-stock items ship same or next day from our five distribution hubs in WI and IL via UPS Ground on orders $300+. Need special shipping? Just call 1-844-682-0205 for accommodations, including our use of your shipping accounts. Enjoy hassle-free 14-day returns on new, sealed products with a pre-approval. Count on exceptional service backed by industry-leading shipping and return policies. Experience the advantage on your next order!

Check out our selection of welding equipment and accessories from Miller and other brands.