New Welders Rewards! | Earn points on every purchase, unlock exclusive perks, and score serious savings.

Ships Free To Lower 48 States

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

Part Number: 40-15-510S
UPC: 14495260788
$542.74 + Free Shipping (Reg. $571.26)
Save $28.52

Welding type:

Oxy-Fuel

Oxy-Fuel

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
Miller True Blue warranty

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.

Related Products

Competitive Products

Be the first to know about upcoming specials!