Product Description
The ASHA Flash Back Arrestor for Regulator (ISI) Oxygen is a safety device designed for installation between an oxygen cylinder and regulator. It helps protect the regulator and upstream oxygen supply system against dangerous flashbacks and backfires during gas welding and cutting operations.
ASHA lists this product specifically as a “Flash Back Arrestor for (Regulator) (ISI) Oxygen.”
Technical Specifications
| Specification | Details |
|---|---|
| Brand | ASHA |
| Product Type | Flash Back Arrestor |
| Gas | Oxygen |
| Mounting | Cylinder / Regulator Mounted |
| Standard | ISI |
| Size | 3/8 Inch |
| Application | Oxygen Gas Welding & Cutting |
| Safety Function | Flashback & Backfire Protection |
| Installation Position | Between Oxygen Cylinder and Regulator |
| Country of Origin | India |
The 3/8-inch size and oxygen/cylinder-mounted configuration are also listed by current industrial retailers.
Key Features
- Designed for oxygen gas systems
- Regulator/cylinder-mounted safety device
- Helps prevent propagation of flashbacks and backfires
- Helps protect the oxygen regulator and gas supply
- Compact and easy to install
- ISI product designation
- Suitable for professional welding and gas-cutting systems
- Ideal for industrial workshops and fabrication applications
Applications
- Oxy-acetylene welding systems
- Gas cutting equipment
- Oxygen cylinder installations
- Oxygen regulator protection
- Fabrication workshops
- Industrial welding and cutting
- Engineering and maintenance applications
Important Note
This is the oxygen regulator-mounted version. ASHA also has separate oxygen and fuel-gas flashback arrestors for torch/cutter mounting, so the mounting position and gas type should be selected correctly.

















