Gas Cutting Torch Oxy-Fuel Cutting Torches for Precise & Controlled Metal Cutting
Gas cutting torches designed for accurate cutting of mild steel plates using oxy-acetylene and oxy-LPG gas systems. Suitable for fabrication workshops, structural steel industries, shipyards and maintenance teams requiring clean cuts, stable flame control and reliable cutting performance in manual and mechanised gas cutting applications.
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Two Pipe Gas Cutting Torch (Blowpipe)
Why It Is Called Blowpipe
- Only two gas lines: Oxygen + Fuel Gas
- No separate cutting oxygen pipe
- Oxygen jet directly blows molten metal
Typical Applications
- Light & medium plate cutting
- Fabrication workshops
- Maintenance & repair work
A-Type Nozzle (1-Piece)
- Used with Acetylene fuel gas
- Single solid construction
- Stable flame for acetylene cutting
B-Type Nozzle (2-Piece)
- Used with LPG / Propane
- Separate inner jet & outer shell
- Better heat control for LPG flame
Three Pipe Gas Cutting Torch (NM Type)
Why It Is Called NM Torch
- Three separate gas pipes
- Oxygen, Fuel Gas & Cutting Oxygen
- Nozzle-mix design for safety
Technical Advantage
- Gas mixing only at nozzle tip
- Lower flashback risk
- Stable & controllable flame
ANM Nozzle
- Designed for Acetylene gas
- Optimized oxygen jet velocity
- Clean kerf & fast piercing
PNM Nozzle
- Designed for LPG / Propane
- Two-piece industrial design
- Uniform preheat flame pattern
Flashback Arrestor for Gas Cutting Torch & Gas Cylinder
A flashback arrestor is a critical safety device used in oxy-fuel gas cutting and welding systems. It prevents flame or hot gases from travelling backward into hoses, regulators, or gas cylinders, ensuring operator safety and protecting equipment from damage.
Flashback Arrestor – Torch Side
- Installed directly at the inlet of the gas cutting torch
- Stops flashback before it enters the gas hose
- Provides immediate flame arrest near the working zone
- Minimizes risk caused by nozzle overheating or backfire
- Suitable for blowpipe and NM type gas cutting torches
Flashback Arrestor – Gas Cylinder (Batla) Side
- Installed at the regulator outlet on the gas cylinder
- Prevents flame from reaching regulator and gas cylinder
- Protects oxygen, LPG, acetylene, and propane cylinders
- Acts as the primary safety barrier in the gas supply system
- Recommended for industrial and fabrication environments
Gas Regulators & Hose Pipes for Gas Cutting Torch
Gas regulators and hose pipes are essential components for controlling gas pressure and ensuring safe, consistent gas flow during oxy-fuel cutting and welding operations.
Oxygen, LPG & Acetylene Gas Regulators
- Oxygen gas regulators control high-pressure oxygen supply from cylinders
- LPG gas regulators regulate fuel gas flow for stable preheating flame
- Acetylene regulators designed for low-pressure, safety-critical operation
- Available in single-stage and double-stage configurations
- Mandatory safety equipment for gas cutting torches and blowpipes
Gas Cutting Torch Hose Pipes – Red & Blue
Hose pipes are color-coded to prevent incorrect connections and to ensure safe gas identification between regulators and cutting torches.
Red Hose Pipe – Fuel Gas
- Used for LPG, acetylene, and propane gas
- Fuel-gas-resistant rubber construction
- Designed for low-pressure fuel gas flow
- Connected between fuel gas regulator and cutting torch
Blue Hose Pipe – Oxygen Gas
- Used exclusively for oxygen gas supply
- Oil-free and oxygen-safe rubber material
- Withstands higher operating pressure
- Connected between oxygen regulator and cutting torch
Gas Cutting Torch Systems & Safety Accessories
Adonweld supplies complete gas cutting torch systems including injector type, equal pressure, and nozzle mix torches along with certified safety accessories for fabrication workshops, EPC contractors, shipyards, and industrial maintenance teams.
Injector Type Gas Cutting Torch (Oxygen–LPG)
Designed for low-pressure LPG systems, injector type gas cutting torches use oxygen pressure to draw fuel gas, ensuring stable flame control and reduced backfire risk for site and workshop cutting.
Equal Pressure Gas Cutting Torch (Oxygen–Acetylene)
Equal pressure gas cutting torches operate with oxygen and acetylene supplied at the same pressure, delivering high cutting speed and clean edge finish for heavy steel fabrication.
NM Gas Cutting Torch (Nozzle Mix – All Fuel Gases)
Nozzle mix gas cutting torches mix oxygen and fuel gas inside the nozzle, making them suitable for Oxygen–LPG, Oxygen–Acetylene, and Oxygen–Propane applications with correct cutting nozzles.
Gas Cutting Trolley System
Heavy-duty gas cutting trolleys designed for safe handling of oxygen and fuel gas cylinders, ensuring stability, mobility, and organized gas cutting operations at site and workshop locations.
Flashback Arrestors & Gas Safety Devices
Flashback arrestors are critical safety accessories that prevent flame travel, backfire, and gas mixing, protecting operators, regulators, hoses, and gas cylinders during cutting operations.
Gas Regulators, Hoses & Cutting Nozzles
We supply oxygen, LPG, acetylene, and propane gas regulators along with red & blue gas hose pipes and application-specific gas cutting nozzles, ensuring safe pressure control and precise cutting performance.
How to Choose the Right Gas Cutting Nozzle
Correct nozzle selection improves cut quality, reduces gas consumption, and increases nozzle service life in gas cutting operations.
Step 1: Nozzle Type
Acetylene: Use a one-piece nozzle to handle high heat and increase durability.
LPG / Propane: Two-piece nozzle is suitable for normal cutting work.
Step 2: Preheat Capacity
Light Preheat: Clean steel plates
Heavy Preheat: Rusted, scaled or bevel cutting jobs
Step 3: Nozzle Size
Select nozzle size according to steel plate thickness.
Oversize nozzle wastes gas, undersize nozzle affects cutting quality.
Always set correct oxygen pressure for selected nozzle size.
Gas Cutting Nozzle Selection – ANM / ANME & PNM / PNME
Technical guide for correct selection of gas cutting nozzles based on fuel gas, flame characteristics, and ISO 5172 industrial safety requirements.
ANM / ANME – Acetylene Nozzle Mix
- Fuel gas: Oxygen + Acetylene
- High flame speed with concentrated pre-heat
- Fast piercing and narrow kerf
- Best suited for precision workshop cutting
PNM / PNME – Propane Nozzle Mix
- Fuel gas: Oxygen + LPG / Propane
- Wide and stable pre-heating flame
- Better heat distribution on thick plates
- Ideal for heavy fabrication and site work
Nozzle Selection Reference
| Fuel Gas | Nozzle Type | Mixing Principle | Typical Application |
|---|---|---|---|
| Acetylene | ANM / ANME | Nozzle Mix | Precision cutting, workshops |
| LPG / Propane | PNM / PNME | Nozzle Mix | Heavy fabrication, shipyards |
ANM vs PNM – Technical Comparison
| Parameter | ANM | PNM |
|---|---|---|
| Flame speed | High | Lower |
| Pre-heat flame | Sharp, concentrated | Wide, stable |
| Cutting speed | Faster | Moderate |
| Plate thickness range | Thin to medium | Thin to very thick |
| Typical use | Workshop precision | Heavy fabrication, site work |
Safety Note: ANM/ANME and PNM/PNME are the same nozzle types with different ISO/European markings. Nozzle selection must always be based on the fuel gas used — not the name on the nozzle. Always use compatible regulators, hoses, and flashback arrestors and follow manufacturer pressure charts for safe gas cutting operations.
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Professional Gas Cutting Torches for Oxygen-Acetylene and Oxygen-LPG Cutting Systems
FREQUENTLY ASKED QUESTION
Questions Mostly Asked By Our Customer
1. What is a gas cutting torch used for?
A gas cutting torch is used for oxy-fuel cutting of mild steel plates, pipes, and structural steel by combining oxygen with a fuel gas such as acetylene or LPG to produce a high-temperature cutting flame.
2. Which gases are used in gas cutting torches?
Gas cutting torches commonly use:
Oxygen + Acetylene (for fast, precise cutting)
Oxygen + LPG / Propane (for heavy and thick plate cutting)
The torch design remains the same; only the cutting nozzle type changes based on fuel gas.
3. What is the difference between oxygen-acetylene and oxygen-LPG gas cutting?
Oxygen + Acetylene:
Faster cutting, concentrated flame, suitable for workshop precision jobs.Oxygen + LPG:
Wider flame, better heat distribution, ideal for thick plates and site fabrication.
4. Which gas cutting torch is best for industrial use?
For industrial applications, a heavy-duty gas cutting torch with:
Brass body
ISO-compatible nozzles
Flashback arrestor compatibility
is recommended for continuous and safe cutting operations
5. Can the same gas cutting torch be used for LPG and acetylene?
Yes.
The torch body remains the same, but you must use:
ANM / ANME nozzles for acetylene
PNM / PNME nozzles for LPG / propane
Never mix nozzle types with the wrong fuel gas.
6. What is the difference between ANM and PNM gas cutting nozzles?
ANM / ANME: Designed for oxygen + acetylene
PNM / PNME: Designed for oxygen + LPG / propane
Nozzle selection depends on fuel gas, not plate thickness.
7. What plate thickness can be cut using a gas cutting torch?
Depending on nozzle size and gas pressure, gas cutting torches can cut:
Thin plates (3–5 mm)
Medium plates (10–50 mm)
Thick plates (up to 300 mm or more with proper setup)
8. Is a flashback arrestor required for gas cutting torches?
Yes.
Flashback arrestors are mandatory safety devices and should be installed on:
Oxygen line
Fuel gas line
to prevent flame backflow, explosions, and hose damage
9. What safety precautions are required while using a gas cutting torch?
Key safety practices include:
Use correct nozzle for fuel gas
Install flashback arrestors
Use approved regulators and hoses
Follow recommended gas pressures
Avoid oil or grease on oxygen fittings
10. Can a gas cutting torch cut stainless steel or aluminium?
No.
Gas cutting torches are mainly suitable for mild steel and carbon steel.
Stainless steel and aluminium require plasma cutting or other methods.
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