Engineered for precision and durability, the Longmen GK250/GK300 flame cutting torch is a straight-handle torch head designed for portable CNC cutting machines. It delivers reliable, high-temperature cutting performance for consistent results on steel and other metals, making it an excellent value for professionals and serious DIY enthusiasts who demand quality without premium pricing. Features and Benefits
- Straight handle design with ergonomic grip - Provides superior control and reduced operator fatigue during extended cutting sessions
- Compatible with GK250 and GK300 portable cutting machines - Ensures a perfect fit and reliable gas/oxygen flow for optimal flame stability
- Durable brass and steel construction - Resists high temperatures and mechanical wear for extended service life in demanding workshop environments
- Precision-machined nozzle and valve system - Enables accurate flame adjustment and clean, efficient cuts with minimal slag
- Standard threading and connections - Simplifies installation and replacement, ensuring compatibility with common portable cutting machine setups Applications
- Maintenance and repair work - Ideal for cutting, trimming, or removing metal sections in fabrication shops, automotive repair, and agricultural equipment maintenance
- Custom metal fabrication - Perfect for creating bespoke parts, art pieces, or structural components where portable, precise flame cutting is required
- On-site construction and demolition - Essential for tradespeople needing to quickly cut steel beams, rebar, or plates at job sites away from stationary equipment
- Workshop prototyping and modification - A reliable tool for hobbyists and makers to experiment with and modify metal projects of various thicknesses
Material: Brass, Copper Alloy (Presumed). Fuel Gas Compatibility: Acetylene, Propane, Natural Gas (Presumed). Application: CNC Cutting Machine Accessory. Compatible Machine Type: Longmen CNC Cutting Machine. Connection Type: Standard Oxy-fuel Hose Threads (Presumed). Cutting Method: Oxy-fuel Flame Cutting. Handle Type: Straight. Model: GK250, GK300. Mounting Type: Portable Cutting Machine. Nozzle Type: Interchangeable Cutting Nozzle. Operating Pressure Range: 0.2 - 0.8 MPa (Oxygen), 0.05 - 0.15 MPa (Fuel Gas) (Typical for Oxy-fuel). Product Type: Flame Cutting Torch. Max Cutting Thickness (Mild Steel): 250 mm for GK250, 300 mm for GK300. Nozzle Bore Size Range: 0.8 mm to 3.0 mm (inferred for GK series). Overall Length (Approximate): 400 mm to 550 mm. Weight (Approximate): 1.5 kg to 2.5 kg. Material (Body): Brass or Copper Alloy (typical for torch heads). Material (Nozzle): Copper with possible chrome plating. Operating Pressure Range (Fuel Gas): 0.3 bar to 1.5 bar (4 psi to 22 psi). Operating Pressure Range (Oxygen): 3 bar to 8 bar (45 psi to 120 psi). Application: Portable Cutting Machine / CNC Machine Accessory. Compatible Machine Series: Longmen CNC Cutting Machine. Connection Type: Standard Oxy-Fuel Hose Threads (e.g., 9/16"-18). Cooling Method: Air-cooled via gas flow. Cutting Process: Oxy-Fuel (Flame) Cutting. Handle Type: Straight Handle. Model Designation: GK250, GK300. Primary Function: Manual or CNC-guided cutting of ferrous metals. Product Type: Flame Cutting Torch / Gun Head Assembly. Suitable Fuel Gas: Acetylene, Propane, or Natural Gas. Valve Type: Lever-operated or needle valves for gas control. Q: What are the key specifications for the Longmen GK250/GK300 flame cutting torch? A: This portable cutting torch is designed for use with GK250 and GK300 series CNC cutting machines. It is a straight handle torch gun head accessory, built for manual and portable cutting operations where a flexible, hand-held option is needed.. Q: How durable is the construction of this Longmen cutting torch handle? A: The torch is constructed from robust materials to withstand the high temperatures and demanding conditions of flame cutting. It is designed for reliable performance and longevity with proper use and maintenance in industrial settings.. Q: Is this Longmen torch head compatible with my existing portable cutting machine? A: This torch head is specifically designed as an accessory for Longmen GK250 and GK300 model CNC cutting machines. For compatibility with other brands or models, you should verify the connection type and specifications match your equipment.. Q: Does this product come with any warranty or guarantee? A: Warranty details are typically provided by the seller at the point of purchase. We recommend confirming the specific warranty terms, such as duration and coverage for parts, directly with your supplier before buying.. Q: Is the Longmen GK250/GK300 torch a good value for a professional workshop? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use in metal fabrication and repair tasks..