Smith Acetylene Regulator - Heavy Duty Hard Hat 40-15-300S

Code: 40-15-300S

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Cyberweld Price $280.05
Cyberweld Price $280.05
Mfg Industrial Price: $560.06
(You Save $280.01)
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Smith® Acetylene Regulator - Heavy Duty 40-15-300

The Smith® 40-15-300S heavy duty acetylene regulator comes complete with Smith's steel "hard hat" installed. The "hard hat" protects 2.5 inch inlet pressure and delivery pressure gauges from damage. The 40-15-300S is a single stage acetylene regulator that provides high gas flows at up to 15 PSIG delivery pressure. Its rugged brass construction makes the 40 series acetylene regulator ideal for welding, cutting, heating and other industrial applications, either in the shop or on the job site. It features stainless steel diaphragm and 2.5 inch inlet pressure and delivery pressure gauges.

3 Year Limited Warranty

  • Installed high strength steel "Hard Hat" protects 2 1/2 inch pressure gauges from damage.
  • External Relief Valve - Protects regulator from damage due to inadvertent high pressure surge.
  • Color Coded Labels - Supply performance capabilities and easy gas service identification.
  • Stainless Steel Diaphragm - Resists damage and freeze-up if used with liquid gases for extended service life.
  • Die-Cast "T" Bar Adjusting Screw - Provides comfort and durability.
  • Delrin™ Bonnet Insert - Allows smooth, easy adjustment even at high pressure levels.
  • Nickel Plated Bonnet - Along with brass body protect against corrosion.
  • Dual Filters Including Sure Seat™ - Protects high pressure seat from debris for reliable operation and long service life.
  • Shatter Resistant Gauge Lenses - 2-1/2" Brass gauges with Polycarbonate lenses resist damage and corrosion.


    Know your acetylene inlet.
  • If your tank valve has male threads, you should choose this CGA 300 (female) regulator.