Smith DG109A Medium Duty Dual Guard Cutting Attachment – For Up to 6″ Steel, Multi-Fuel Compatible

Smith DG109A Medium Duty Dual Guard Cutting Attachment – For Up to 6″ Steel, Multi-Fuel Compatible

Condition: Used. Good used condition.

The Smith DG109A is a medium-duty cutting attachment from the Dual Guard™ series, built for professional-grade cutting tasks using a wide range of industrial fuel gases. Designed with safety and versatility in mind, it features a solid silver-brazed construction and utilizes O-ring seating for quick and secure tip changes. The Dual Guard™ safety system includes both internal flashback arrestors and check valves, offering enhanced protection during cutting operations. This attachment is compatible with cutting steel up to 6 inches thick and accepts Graf-Tite™ cutting tips, known for their ease of installation and cost-saving replaceable soft seats.

Product Features
Dual Guard™ System: Integrated flashback arrestors and check valves for user safety
Cutting Capacity: Cuts steel up to 6″ thick
Construction: Solid silver brazed for durability under heavy-duty use
Tip Interface: O-ring seating with slip-in Graf-Tite™ cutting tips
Tip Seating: Soft-seat design helps reduce tip replacement costs
Torch Compatibility: Accepts industrial equal-pressure fuel gases
Fuel Gas Compatibility:
Acetylene
Propane
Propylene
Natural Gas
Hydrogen
MAPP® Gas
Others (equal-pressure systems)
Mount Type: Fits standard Smith torch handles (e.g., WH100 or equivalent)
Handle Length: Approx. 10.5″ (varies slightly based on version)
Cutting Lever: Smooth-acting trigger with reinforced pivot design

Applications
Metal fabrication and steel structure cutting
HVAC ducting and demolition
Plumbing and pipe fitting in industrial environments
Automotive and heavy machinery repair
Shipyards and railway maintenance
Agricultural equipment maintenance
Scrap and salvage operations

Cross-Referenced Models / Compatible Attachments
These models are either compatible with or serve as equivalents to the Smith DG109A:
Smith DG109
Smith DG109MC (variant)
Victor CA1350 (similar medium-duty)
Harris 72-3
Uniweld CA100
Victor CA1260 (heavy-duty alternative)
Compatible Smith torch handles (required for use):
Smith WH100
Smith WH200A
Smith CW5A
Smith WH100MC

Comparable Products
Victor CA1350 Medium Duty Cutting Attachment
Harris 73 Medium Duty Torch Attachment
Uniweld 780A Cutting Attachment
Victor Performer Series Cutting Torches (medium-duty)
Firepower 1444-0417 cutting attachment

System Integration / Use
The DG109A is typically paired with a compatible Smith torch handle and appropriate gas regulators. You’ll need:
Compatible handle: WH100, WH200A, or equivalent
Fuel-specific tip: Graf-Tite™ tips matched to your fuel gas and steel thickness
Regulators: Industrial-grade regulators matched to the fuel type and pressure
Safety gear: Flashback arrestors (if not already built in), face shield, gloves

Related
oxy-fuel cutting torch head
Smith cutting attachment medium duty
welding and cutting torch head for propane/acetylene
Graf-Tite™ compatible cutting tool
DG109A Smith dual guard torch
slip-in tip oxy-acetylene torch
steel cutting torch up to 6 inch thick

Common Requests:
“Can I use this with propane or natural gas?” – Yes, it’s compatible with multiple fuel gases.
“What torch handles work with this?” – Smith WH100 and WH200A are the most common.
“What’s the maximum thickness it can cut?” – Up to 6 inches of steel.
“Are tips included?” – Not specified, typically sold separately.
“What type of safety features does this have?” – Integrated flashback arrestors and check valves.

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