




Rothenberger - Non-return valve for oxygen hose, 6 mm - 540320
€77,07 iva inclusa
2-4 business days
Free shipping with minimum order of €500
- Description
- Reviews
Features of the Rothenberger Oxygen Hose Non-Return Valve
The Rothenberger oxygen hose non-return valve (item code 540320) is an essential component to ensure safety during oxy-acetylene welding and cutting operations. Specifically designed for 6 mm diameter hoses, this valve effectively prevents dangerous flashbacks and gas backflow, protecting both the operator and equipment from potential accidents. Made with high-quality materials resistant to high temperatures and corrosion, it ensures a long lifespan even under intensive working conditions.
Operation and Safety
The internal mechanism of the Rothenberger 540320 valve is designed to close automatically in case of gas flow reversal, instantly blocking any flashback towards the oxygen cylinder. This protection system is crucial to prevent explosions and fires during welding operations. The valve maintains optimal operating pressure, ensuring a constant flow of oxygen and thus improving the quality of the welding work. Its installation is an indispensable safety requirement in compliance with European regulations for workplace protection.
Installation and Compatibility
Installation of the Rothenberger non-return valve is simple and quick. It connects directly to the 6 mm oxygen hose using standard fittings, with no need for additional adapters. It is compatible with all Rothenberger oxy-acetylene welding systems and most equipment from other manufacturers that use 6 mm hoses. The valve can be positioned either near the torch or near the cylinder's pressure regulator, thus offering double protection.
Professional Applications
This non-return valve is used in numerous professional sectors, including:
- Welding and cutting in mechanical workshops
- Metal fabrication
- Repairs and maintenance on construction sites
- Plumbing and heating installations
- Artistic metalwork
- Automotive and marine sectors
Technical Advantages
The Rothenberger 540320 valve offers several technical advantages that make it a reliable component for professionals:
- Resistance to high pressures up to 20 bar
- Operating temperature from -20°C to +70°C
- Nickel-plated brass body for corrosion resistance
- Internal seals made of special oxygen-resistant materials
- Stainless steel spring mechanism for quick response
- Low weight of approximately 45 grams
- Compact dimensions to not hinder operations
Maintenance and Durability
The valve requires minimal maintenance to ensure optimal performance over time. Periodic inspection is recommended to check for obstructions or damage, and internal seals should be replaced according to the manufacturer's instructions. Under normal operating conditions, the Rothenberger 540320 valve guarantees years of reliable operation, representing a sound investment for industry professionals. To maintain system efficiency, it is advisable to replace the valve after critical events such as flashbacks or after prolonged periods of intensive use.
Compliance and Certifications
The product complies with European safety regulations for pressure equipment and bears the CE mark. Rothenberger, a German company with over 70 years of experience in tools and equipment for plumbers and technicians, guarantees high quality standards and compliance with the latest directives on occupational safety. Each valve undergoes rigorous quality tests before leaving the production facility.













