PT-31 Air Cooled Plasma Torch Head 40A HF – CUT40 CUT50
PT-31 Air Cooled Plasma Torch Head 40A HF – CUT40 CUT50
JINSLU PT-31 Air Cooled Plasma Cutting Torch Head Body – 40A | HF Ignition
Upgrade your plasma cutting setup with the JINSLU PT-31 Air Cooled Plasma Torch Head Body. Engineered for precision and durability, this high-frequency (HF) ignition torch head is a direct replacement or spare component compatible with a wide range of popular plasma cutters including the CUT-40, CUT-50, and CT312 machines. The distinctive blue TIG-style handle provides a comfortable, secure grip during operation.
Made in Mainland China.
Why Choose the PT-31 Plasma Torch Head?
- High-Frequency (HF) Ignition: Delivers reliable, consistent arc starts every time for smooth, clean cuts.
- Air Cooled Design: Uses compressed air for efficient cooling, keeping the torch operating at peak performance during extended use.
- Wide Compatibility: Fits CUT-40, CUT-50, CT312, and other machines using PT-31 / LG-40 torch connectors.
- Rated 30A / 60% Duty Cycle: Handles demanding cutting tasks with confidence and consistency.
- Durable Construction: Built to withstand the rigors of professional and hobbyist workshop environments.
- Easy Replacement: Drop-in replacement head body — no complex modifications required.
Technical Specifications
| Model | PT-31 (LG-40) |
| Current Rating | 30 Amp |
| Duty Cycle | 60% |
| Gas Type | Air |
| Gas Pressure | 4.5 – 5.0 Bar |
| Gas Flow | 150 LPM |
| Ignition Type | High Frequency (HF) |
| Post Flow | 40 seconds (recommended) |
| Compatible Machines | CUT-40, CUT-50, CT312 and equivalent |
| Origin | Mainland China |
Package Contents
- PT-31 Plasma Torch Head Body × 1
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Frequently Asked Questions
Q: What plasma cutter machines is the PT-31 torch head compatible with?
A: The PT-31 (LG-40) torch head body is compatible with CUT-40, CUT-50, CT312, and other plasma cutting machines that use the PT-31 or LG-40 torch connector standard. Always verify your machine's torch connector type before ordering.
Q: Does this listing include the full torch assembly or just the head body?
A: This listing includes the PT-31 plasma torch head body only (1 piece). Consumables such as tips, electrodes, and shields are not included and may need to be purchased separately depending on your setup.
Q: What gas does the PT-31 torch use, and what pressure is required?
A: The PT-31 air cooled plasma torch operates using compressed air as the cutting gas. The recommended gas pressure is 4.5 to 5.0 Bar, with a gas flow rate of 150 LPM for optimal cutting performance.
Q: What is the duty cycle of this plasma torch head?
A: The PT-31 torch head is rated at 30 Amps with a 60% duty cycle. This means it can operate continuously for 6 minutes out of every 10-minute period, making it well-suited for both hobbyist and light professional cutting applications.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.