Is the Welding hose for oxygen OXYGEN ISO 3821 suitable for use with natural gas and air as well as oxygen?

Welding hose for oxygen OXYGEN ISO 3821 . yes. The hose is designed for oxy-fuel welding per EN ISO 3821 and is explicitly stated to be usable with oxygen, natural gas and air. Its construction (black SBR/EPDM inner layer, PVA reinforcement, blue EPDM outer layer), working pressure of 20 bar and operating temperature range â30Â°C to +80Â°C make it suitable for those gases in typical industrial oxy-fuel setups. Ensure fittings and regulators are compatible with the specific gas and comply with safety practices for pressure, ventilation and contamination prevention (oxygen service requires contamination-free fittings).

Can Welding hose for oxygen OXYGEN ISO 3821 be safely used with other fuels like propane or LPG?

Welding hose for oxygen OXYGEN ISO 3821 is specifically designed, tested and certified for oxygen service per EN ISO 3821. Although the product description notes suitability also for natural gas and air, it is not appropriate to assume compatibility with all fuels. Propane and LPG have different chemical properties, pressure/temperature characteristics and can require hoses rated for hydrocarbon fuels and specific inner materials and permeation resistance. Using an oxygen-rated hose with propane/LPG without manufacturer confirmation risks degradation, leaks or safety hazards. Always follow manufacturer guidance and standards: use hoses explicitly approved for propane/LPG or a multipurpose hose certified for those fuels. If in doubt, contact the supplier/manufacturer for official compatibility.

Can Welding hose for oxygen OXYGEN ISO 3821 be used with medical or pure oxygen applications?

Welding hose for oxygen OXYGEN ISO 3821 should not be used for medical or breathingâgrade oxygen applications. This hose is designed and certified to EN ISO 3821 for industrial oxyâfuel welding and cutting, intended for use with industrial oxygen, natural gas and air. Its constructionâinner layer of black SBR/EPDM rubber, PVA reinforcement and blue EPDM outerâmeets requirements for industrial gas delivery (working pressure 20 bar, temperature range â30Â°C to +80Â°C), but it is not manufactured, tested or certified for medical/purity oxygen or for use in lifeâsupport or respiratory equipment. Medical or pure oxygen systems require hoses and components specifically approved for medical gas use, made from materials, manufacturing processes and cleanliness standards that prevent contamination, pyrogenic residues and unacceptable particle or lubricant presence. Industrial hoses can contain residues, additives or materials that increase flammability risk or contaminate highâpurity oxygen, posing safety and health hazards. If you need a hose for medical or breathing oxygen, choose a product explicitly certified for medical oxygen (ISO 15001 / relevant medical gas standards or manufacturerâs medicalâgrade certification) and intended for respiratory or clinical use.

Welding hose for oxygen OXYGEN ISO 3821

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Additional information

Material	SBR – styrene-butadiene rubber
Maximum operating temperature [°C]	80
Minimum operating temperature [°C]	-30
Standard length [m]	50
Reinforcement	synthetic braid

Light, flexible, smooth oxygen hose, compliant with EN ISO 3821 standard. For use with industrial equipment for oxy-fuel welding, typically alongside a red acetylene hose. Can also be used for natural gas and air. Inner layer: black SBR/EPDM rubber. Reinforcement: PVA. Outer layer: blue EPDM rubber. Working pressure: 20 bar. Operating temperature: from -30°C to +80°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
CO-2802-OXYGEN-05	OXYGEN hose 5x12 mm	5	20	In stock	Enquiry
CO-2802-OXYGEN-06	OXYGEN hose 6.3x13.3 mm	6	20	In stock	Enquiry
CO-2802-OXYGEN-08	OXYGEN hose 8x14.6 mm	8	20	In stock	Enquiry
CO-2802-OXYGEN-09	OXYGEN hose 9x16 mm	8	20	In stock	Enquiry
CO-2802-OXYGEN-10	OXYGEN hose 10x17 mm	10	20	In stock	Enquiry
CO-2802-OXYGEN-13	OXYGEN hose 12.5x19.4 mm	12	20	In stock	Enquiry
CO-2802-OXYGEN-16	OXYGEN hose 16x24 mm	16	20	In stock	Enquiry
CO-2802-OXYGEN-25	OXYGEN hose 25x35 mm	25	20	In stock	Enquiry

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Light, flexible, smooth oxygen hose, compliant with EN ISO 3821 standard. For use with industrial equipment for oxy-fuel welding, typically alongside a red acetylene hose. Can also be used for natural gas and air. Inner layer: black SBR/EPDM rubber. Reinforcement: PVA. Outer layer: blue EPDM rubber. Working pressure: 20 bar. Operating temperature: from -30°C to +80°C.

Additional information

Material	SBR – styrene-butadiene rubber
Maximum operating temperature [°C]	80
Minimum operating temperature [°C]	-30
Standard length [m]	50
Reinforcement	synthetic braid