Heavy-Duty Single-Stage Pressure Regulators - MillerWelds

HD Acetylene regulator, 0-15 PSIG

Series 40™ Heavy-Duty single-stage regulator comprise a complete line of versatile regulators for welding, cutting, heating and other industrial applications. Regulators are extremely durable and contain our exclusive Sure Seat™ filtered seat technology for extended seat and regulator life in the most demanding industrial applications. They feature a stainless steel diaphragm which allows for use with liquid gases, all brass construction and 2.5-inch (64 mm) brass case gauges help the regulator stand up to corrosive atmospheres.


Flow Curve Charts
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Resin Bonnet Insert
Allows for smooth, easy adjustment even at high-pressure levels.
Stainless Steel Diaphragm
Large stainless steel diaphragm provides for precise control of pressure. Resists corrosion, leaking and freeze-up leading to extending service life.
Color-Coded Labels
Identifies supply performance capabilities, easy gas service identification and technical information.
External Relief Valve
Protects regulator from damage do to inadvertent high-pressure surge.  Relief valve will release excessive pressure and automatically reset.
Nickel-Plated Bonnet
The nickel-plated bonnet, along with brass body, protects against corrosion.
Shatter-Resistant Gauge Lenses
2.5 inch corrosion-resistant polished brass gauges with shatter-resistant polycarbonate lenses.
Dual Filters Includes Smith's Sure Seat™ Technology
All Series 40™ Single stage regulators contain our exclusive Sure-Seat™ technology for extended seat and regulator life.  Filtered seat prevents contamination from entering the seating area, reducing repair costs and down-time.
True Blue Warranty
All 40 Series™ regulators are covered by the Miller True Blue® 3 YR. warranty.



Oxy-Fuel Cutting, Welding & Heating

General Specifications

Title HD Acetylene regulator, 0-15 PSIG
Industries Interests Aerospace
Racing / Customizing / Restoring
DIY / Home Hobbyist
Farm and Ranch
Heavy Equipment Manufacturing
Metal Art / Sculptures
Boat / Yacht
High Purity Processing
Display Delivery Pressure 15 PSIG (1 bar)
Max Inlet Connection CGA 300
Display Max Inlet Pressure 400 PSIG (28 bar)
Gas Acetylene
Gauge Size 2.5
Outlet Connection 9/16 in -18 LH
Pressure Switch
Regulator Hard Hats
Size HD or MD HD
Vent 116 in FNPT
Warranty Oxy-Fuel/Pressure Regulation Equipment Warranty

Reviews & Ratings