Set up in 1995, Tonglu Valves Manufactring Co.,Ltd. is one of the leading China inner tube manufacturer and supplier in Yongjia County of Zhejiang Province. We manufacture all products strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our oem inner tubes are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields.
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1/8 to 1 in. OD #04/304L and 316/316L STMA213*/A269 (*nominal wall thickness, not minimum wall thickness). Available chemically cleaned and passivated to comply with ASTM G-93 and CGA G4.1
Available thermocouple cleaned to meet ASTM A632-S3. Until now mountain unicyclists had to put up with standard 24" inner tubes in their 24 x 3" tyres. Running a standard 24" inner means that the rubber of the inner tube is stretched paper thin and is vulnerable to pinch flats. This new 24 x 3" inner tube is correctly matched to the tyre's size, and fixes this problem. You can ride without fear of pinch-flatting any more! Ease of design exploration is illustrated by changing the density of the inner tube and showing the position of the waterline changes automatically after rerunning the feasibility study and regenerating. Practical applications of this example extend to the design of floats, buoys, or watercraft. |
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Great for swimming pools or calm rivers and lakes. Measures 48" in diameter. Great for those hot summer days. New from Vittoria EVO 55 gram road race inner tube. An enhanced production process allowing more control of butyl rubber wall thickness enables the creation of a tube with thinner wall thickness yet offers no compromise to reliability. Weight only 55 grams per tube
By reducing weight in the right area performance is greatly improved. Fits all full size 26in wheel mountain bikes with schrader valve - car type connections. Extra value twinpack. This is a high quality Kenda brand tube. Available in all the most popular sizes. A feasibility study is then performed to reduce the mass difference to zero, thereby determining the actual waterline position, by varying the assumed floating depth of the inner tube. Without Behavioral Modeling the designer must attempt to determine a solution through time consuming iterative techniques. |
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