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Heavy-Duty Single-Stage Pressure Regulators

Series 40™ single stage regulators comprise a complete line of versatile regulators for welding, cutting, heating and other industrial applications. Heavy duty construction and simplified design provides high gas flow and longer trouble-free operation.

Series 40 Oxygen Regulator
  • Series 40 Oxygen Regulator
  • Series 40 Cut-A-Way
  • Series 40 Oxygen Regulator With Hard Hat™
  • Series 40 Acetylene Regulator
  • Series 40 Acetylene Regulator With Hard Hat™
Base Model Starting at:
$288.70 List Price (US$)

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Additional Models and Pricing

Regulator Product Guide


Resin Bonnet Insert

Allows for smooth, easy adjustment even at high-pressure levels.

Color-Coded Labels

Identifies supply performance capabilities, easy gas service identification and technical information.

Nickel-Plated Bonnet

The nickel-plated bonnet, along with brass body, protects against corrosion.

Dual Filters Includes Smith's Sure Seat™ Technology

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.

Stainless Steel Diaphragm

Large stainless steel diaphragm provides for precise control of pressure. Resists corrosion, leaking and freeze-up leading to extending service life.

External Relief Valve

Protects regulator from damage do to inadvertent high-pressure surge.  Relief valve will release excessive pressure and automatically reset.

Shatter-Resistant Gauge Lenses

2.5 inch corrosion-resistant polished brass gauges with shatter-resistant polycarbonate lenses.

True Blue Warranty

All 40 Series™ regulators are covered by the Miller True Blue® 3 YR. warranty.
 

Models

Stock #

XMT® 350 VS ArcReach™ 907224002

XMT® 450 VS ArcReach™ 907481002

SuitCase® X-TREME™ 8VS ArcReach™ with Bernard® S-Gun™ 951588

SuitCase® X-TREME™ 8VS ArcReach™ with Bernard® Q300 Gun 951584

SuitCase® X-TREME™ 12VS ArcReach™ with Bernard® S-Gun™ 951589

SuitCase® X-TREME™ 12VS ArcReach™ with Bernard® Q300 Gun 951581

Product Literature
Regulator Product Guide
Series 40 Flow Curves
Technical Data - Welding Hose
How To Use Flow Curve Data
Date Codes
 
ProcessesOxy-Fuel Cutting, Welding & Heating 
General specificationsNet Weight7.05 lb (3.20 kg) – 8.86 lb (4.02 kg)
Gas
Oxygen, Acetylene, LP Gas (Propane, Propylene or Natural Gas), Nitrogen
Regulator Cylinder Connection (CGA)
CGA540, CGA300, CGA510, CGA580
Connections
9/16"-15 RH or LH "B"
ApplicationsConstruction 
Fabrication 
Farm and Ranch 
Field Maintenance and Repair 
Home/Hobby 
In-Plant Maintenance and Repair 
Manufacturing 
Mechanical Contracting 
Metal Art/Sculpture 
Motorsports (car, truck, bike, etc.) 
Pipe Fabrication 
Rental 
Robotics/Automation 
Schools/Training 
Scrap/Demolition 
Ship/Boat 
Welding Projects 
Process Piping 
Refinery 
Petrochemical 
Power 
HVAC and Water Pipe 

Models

Stock # Manufacturer List Price US$    
  HD Acetylene regulator, 0-15 PSIG  40-15-300 $288.70   Buy Now
  View Package Details      
  View Package Details      
 
Product Notes:

HD Acetylene regulator, 0-15 PSIG

       
  HD Acetylene regulator, 0-15 PSIG, W/Hard Hat™  40-15-300S $340.70   Buy Now
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  View Package Details      
 
Product Notes:

HD Acetylene regulator, 0-15 PSIG, W/Hard Hat

       
  HD Acetylene regulator, 0-15 PSIG  40-15-510 $288.70   Buy Now
  View Package Details      
  View Package Details      
 
Product Notes:

HD Acetylene regulator, 0-15 PSIG

       
  HD Acetylene regulator, 0-15 PSIG, W/Hard Hat™  40-15-510S $340.70   Buy Now
  View Package Details      
  View Package Details      
 
Product Notes:

HD Acetylene regulator, 0-15 PSIG, W/Hard Hat

       
  HD Oxygen regulator, 0-175 PSIG  40-175-540 $288.70   Buy Now
  View Package Details      
  View Package Details      
 
Product Notes:

HD Oxygen regulator, 0-175 PSIG

       
  HD Oxygen regulator, 0-175 PSIG, W/Hard Hat™  40-175-540S $340.70   Buy Now
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  View Package Details      
 
Product Notes:

HD Oxygen regulator, 0-175 PSIG, W/Hard Hat

       
  HD Oxygen regulator, 0-275 PSIG  40-275-540 $288.70   Buy Now
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  View Package Details      
 
Product Notes:

HD Oxygen regulator, 0-275 PSIG

       
  HD Nitrogen regulator, 0-275 PSIG  40-275-580 $288.70   Buy Now
  View Package Details      
  View Package Details      
 
Product Notes:

HD Nitrogen regulator, 0-275 PSIG

       
  HD LP regulator, 0-50 PSIG  40-50-510 $288.70   Buy Now
  View Package Details      
  View Package Details      
 
Product Notes:

HD LP regulator, 0-50 PSIG

       
       

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