Skip to Main Content
Canadian
Canadian owned and operated

19X41 - Acetylene Adapter CGA-200 Cylinder to CGA-520 Regulator

Packaging: pack of 1

Sorry, product has been discontinued by the vendor.

OVERVIEW

Technical Overview of the ESAB 19X41 Acetylene Adapter

The ESAB 19X41 is a precision-engineered gas cylinder adapter designed to facilitate the interconnection of specific compressed gas components within the oxy-fuel welding and cutting ecosystem. Specifically, this fitting functions as a bridge between a CGA 200 cylinder valve and a CGA 520 regulator connection. The CGA 200 standard is typically found on "MC" style acetylene cylinders (10 cubic feet), which feature a male valve stem requiring a female nut. Conversely, the CGA 520 standard is associated with "B" style acetylene cylinders (40 cubic feet), which utilize a female valve requiring a male nut on the regulator tailpiece. By employing this adapter, operators can utilize regulators originally configured for B-tanks on smaller, more portable MC-tanks without modifying the regulator tailpiece.

Constructed from high-quality brass, the 19X41 ensures compatibility with acetylene gas, offering necessary spark resistance and material stability. Brass is the industry standard for oxygen and fuel gas fittings due to its non-sparking properties and resistance to corrosion. The adapter features a female CGA 200 thread on the inlet side, designed to screw directly onto the MC tank valve. The outlet side presents a male CGA 520 thread, effectively mimicking the valve outlet of a B-tank, allowing the user's existing regulator to attach securely. This component is critical for maintaining a gas-tight seal and ensuring safe operation during brazing, soldering, or welding tasks.

Adherence to Compressed Gas Association (CGA) standards is paramount for safety. This adapter maintains the specific threading and seating surfaces required for low-pressure acetylene service. It is important to note that this adapter is strictly for acetylene use and must not be used with other gases, particularly oxygen, due to the incompatibility of thread types and safety protocols. The ESAB 19X41 is a passive component with no internal check valves or flash arrestors; it serves purely as a mechanical interface adapter.

Key Technical Specifications:

  • Inlet: CGA 200 Female (Fits MC Cylinder Valve)
  • Outlet: CGA 520 Male (Accepts B Regulator Nut)
  • Material: Solid Brass
  • Gas Service: Acetylene Only
  • Pressure Rating: Suitable for standard acetylene cylinder pressures
Additional Information
Packaging Description:1 Per Ea, pack of 1
Gas Type:Acetylene
Material:Brass
Inlet Connection:CGA 200 Female
Outlet Connection:CGA 520 Male
Pressure Rating:Standard Acetylene Service
----- new values below ----
Inlet Connection:CGA 200 Female
Outlet Connection:CGA 520 Male
Tank Compatibility:MC Tank to B Tank Regulator
Pressure Rating:Standard Acetylene Service
Brand:ESAB
Gas Type:Acetylene
Material:Brass
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Brass Adapter (CGA 200 Female to CGA 520 Male)

APPLICATIONS

  • HVAC/R brazing and soldering operations
  • Plumbing repairs requiring portable acetylene kits
  • Adapting "B" style regulators to "MC" style cylinders
  • Mobile welding applications where tank size varies
  • General maintenance and repair (MRO)

FAQ

It adapts a CGA 200 cylinder valve (commonly found on MC acetylene tanks) to accept a regulator with a CGA 520 connection (commonly found on B acetylene tanks).

No, this adapter is designed specifically for Acetylene gas connections. Oxygen fittings use different CGA standards (typically CGA 540) to prevent cross-connection accidents.

The adapter is machined from solid brass, which is the industry standard for fuel gas fittings due to its durability and non-sparking properties.

No, this is a regulator adapter designed to connect a regulator to a cylinder for usage. It is not a trans-filling adapter and should not be used to transfer gas between cylinders.

CGA 200 is the standard connection for 'MC' (10 cu ft) acetylene cylinders. CGA 520 is the standard for 'B' (40 cu ft) acetylene cylinders. They have different thread sizes and genders.

Generally, CGA fittings are designed to seal via metal-to-metal contact on the seating surface. However, always follow the specific manufacturer instructions. Ensure the seating surfaces are clean and free of debris.

Yes, if your TurboTorch regulator is equipped with a standard CGA 520 'B-tank' connection, this adapter will allow you to use it on an 'MC-tank'.