Established in 1993, Guanfa Valve Manufacture Co., Ltd. is specialized China copper tube manufacturer and distributor of valves, hoses, tubes and pipes. Our oem copper tubes are suitable for acid, alkali, water, steam, seawater, coal gas and natural gas. They are widely used in petroleum, chemical, paper making, fertilizer, brewing and metallurgy. The use of specialized software of Pro/E and CAD has shorted the P&D and trial manufacture cycle, and greatly improved the service life and dependability of products. Our high-quality products have been exported to the North Amercia, UK, USA, Germany, Italy, India, France, Australia, Japan.

"ELKHART PRODUCTS CORP" WROT COPPER TUBE CAP. 1/2". Copper tube cap. Copper wrot.
Used for tube end. "ELKHART PRODUCTS CORP" WROT COPPER TUBE CAP 1/2" Copper tube cap. Copper wrot. Used for tube end. Bagged/10. This kind of copper tube is easier to carry and more suitable for fixed lengths. It is also available in various sizes and thicknesses. high purity copper with the highest thermal and electrical conductivity among copper grades, fulfills requirements of Cu-OF (e.g. DIN EN 13600). "Our new ultra clean tub-e® copper tube offers first-class standards of outer surface cleanliness suitable for all solar thermal absorbers whenever good welding properties and top quality are paramount." The cost will be 40% of the copper tube, and about 10% cheaper than the copper-aluminium connection tube. After testing and try using by several air-condition factories, its items of using index was similar as the copper tube.

Copper tube with ultra clean outer surface for solar thermal absorbers. The ultra clean outer surface is offering efficiency in manufacturing processes with reduced welding time. Also less cleaning is needed that means savings in time and money in production. It can be welded with copper or aluminium and is easily bendable. Outokumpu's tub-e® with new ultra clean outer surface gives process advantages especially when using ultrasonic or laser welding technology. Outokumpu's tub-e® copper tube is always a cost-effective option due to its superb technical performance, excellent thermal conductivity properties and its ability to withstand high temperatures. Being 100% recyclable, copper tube is also the environmentally-friendly choice. it also as the same as the copper tube after 500 hours of the salt fog test. We can provide tubing to your exact specification, including but not limited to: Soft temper to full hard temper.

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