CG2-11S Big Hand Manual Pipe Cutter
The G2-11S is a chain-type machine of handheld manual pipe cutter. This big hand-operated pipe cutting trolley is designed based on the investigation on local practical situation. It is an economic and practical big diameter cutter. It has four paralleled road wheels and locks machine with the chains rounded steel tube. It is fit for the cutting of the big diameter no-seam steel tube above 250mm.
The configuration of the machine is unique and it is easy to operate and convenient to move. There is a bracket for the chain wheel in the machine. Glide the bracket along the two axes to tight or loose the pull of the chains. Drive chain use double hasp and connects them in series link-by-link.

1. Specifications of CG2-11S Hand Pipe Cutter
The CG2-11S manual pipe gas cutting machine is supplied with a main aluminum body, 1pcs cutting torch assembly, 1 set of 115knot chains, 3pcs G02 or G03 cutting tips, 1set of gas-in junction and 1pcs torch linker. The chain belt can be added or reduced according to the real diameter of the pipe.
1. Weight (body) | :16.5 kg |
Accessory | :2.5 kg |
2. Machine dimension | :515×370×510mm |
3. Bevel form | :I form or V form (The biggest angle is 45°) |
4. Resetting precision | :1mm (The circumference of the tube is in 1000mm) |
5. Cutting steel tube diameter | :250-1000mm (Collocated standard chain) |
6. Cutting pipe wall thickness | :5-50 ㎜ (Standard torch collocation) |
2. Name and Functions of Each Section

- Chains: Lock machine with the chains rounded steel tube and drive the machine with the chain driving. Travel round the wall of the tube.
- Traversing wheel: Turn the wheel to make the torch move left or right.
- Swing hand grip: Swing clockwise can make the machine move forwards, and counter-clockwise can make backwards
- Fuel gas-in junction
- Oxygen-in junction
- Big aerofoil screw: Modulate the degree of tightness of the installation pipe.
- Control lever of clutch: Separating the clutch can make the machine moving fast on the steel tube. After getting to the required place, close the clutch.
- Hose: Install three hoses in gas regulator: preheat, fuel gas, cutting oxygen.
- Up-down modulated hand wheel in the torch
- Tips
- Road Wheel
3. Precautions
1) Don’t put the machine at the high temperature place.
2) Don’t make the heavy things fell onto the machine.
3) Select the suitable tip according to the plate thickness referring to the Cutting Data. Below is the appropriate distance between the tip end and cutting surface:
● Acetylene gas 8-10mm
● LPG gas 5-8mm
4) Don’t forget to open all the valves before adjusting the pressure, then adjust the gas pressure according to the cutting Data.
5) Pay attentions to avoid the backfire and flashback occur.
4. Wiring Diagram

5.Application
CG2-11S portable chain type manual pipe cutters are applicable for the seamless steel tube cutting, bevel cutting for industries, like petroleum, chemical industry, boiler, electric power generation, ship manufacture, building, motor vehicle, bridge building and so on. They’re suitable for outdoors work, other places without power supply as well as large OD pipe.
6. Conclusion
The CG2-11S manual pipe cutter is a chain-type beveling machine, which work with different types of fuel gases, such as acetylene, propane and natural gas. It is with a smart body, sturdy structure and precision design, which make it easy to move and precise to work. The bevel angle of cutting is I. Y.V 45°and cutting speed is manually operated. This portable beveling pipe cutter is beneficial for on-site work where electricity may not be readily available.