
RADNOR
Pertanyaan yang Sering Diajukan
Pertanyaan umum tentang RADNOR dari 3G Electric.
What does the Grade T rating mean for RADNOR twin-line welding hoses?
Grade T is a standard classification defined by the Rubber Manufacturers Association (RMA) and Compressed Gas Association (CGA) for welding hoses. It indicates the hose is suitable for use with fuel gases (e.g., acetylene, propane) and oxygen at a maximum working pressure of 200 psi (14 bar) within a temperature range of -40°F to 200°F (-40°C to 93°C). RADNOR Grade T hoses are constructed with a synthetic rubber tube and cover, reinforced with textile braid, and are tested to meet CGA E-1 requirements for leak resistance and burst strength. This rating ensures the hose can handle typical oxy-fuel welding and cutting applications without degradation.
Are RADNOR twin-line bulk hoses compatible with standard welding fittings?
Yes, RADNOR twin-line bulk hoses are designed with standard inside diameters (3/16 in, 1/4 in, and 3/8 in) that accept common welding fittings such as B-size or T-size connections. The hoses are color-coded green for oxygen and red for fuel gas, aligning with industry convention. Users can attach standard hose barbs, ferrules, or quick-connect couplers to the cut ends. The 750 ft bulk length allows custom sizing for specific torch setups or manifold systems. Always verify fitting compatibility with your equipment manufacturer's specifications.
What is the typical shelf life of RADNOR Grade T welding hoses?
RADNOR Grade T welding hoses, when stored properly in a cool, dry environment away from direct sunlight, ozone, and chemicals, typically have a shelf life of 5 to 7 years from the date of manufacture. The hose cover is made of synthetic rubber that resists weathering and abrasion, but prolonged exposure to UV light or high temperatures can accelerate degradation. Inspect hoses regularly for cracks, blisters, or soft spots before use. The manufacturing date is often printed on the hose length; if not, contact 3G Electric for lot-specific information.
Can RADNOR twin-line hoses be used for both oxygen and acetylene simultaneously?
Yes, RADNOR twin-line hoses are specifically designed for simultaneous use with oxygen and fuel gases such as acetylene, propane, or natural gas. The twin-line construction bonds two separate hoses together—one green (oxygen) and one red (fuel gas)—for convenience and to reduce tangling. Each hose is individually rated Grade T, meaning both sides can handle the same working pressure and temperature range. However, ensure that the fuel gas hose is not used for oxygen service and vice versa, as cross-contamination can create a fire hazard. Always follow CGA guidelines for gas service identification.
What is the burst pressure rating for RADNOR Grade T welding hoses?
RADNOR Grade T welding hoses are designed to have a minimum burst pressure of 800 psi (55 bar), which is four times the maximum working pressure of 200 psi (14 bar). This safety margin is standard for Grade T hoses per RMA/CGA specifications. The burst pressure is achieved through the textile braid reinforcement and synthetic rubber construction. For critical applications, always use hoses within the rated working pressure and inspect for damage regularly. 3G Electric can provide test certificates upon request for specific lot numbers.
Does 3G Electric supply RADNOR products?
Yes — 3G Electric (S) Pte. Ltd. supplies RADNOR products. We stock the RADNOR catalog and supply genuine factory-original products with full manufacturer warranty and technical support.



