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Shēng Machinery Import va eksport Co., Ltd. erta eksport va import kompaniyasi Xitoy Milliy Machinery Import & Export Corporation shēng filiali oktyabr 1974 yilda tashkil etilgan, salafiy, kabi oktyabr 2005 yil aktsiyadorlik tashqi savdo kompaniyasi aylantirildi shēng viloyatida mexanik va elektr mahsulotlari haqida qaratib ......
tube and pipes
A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. Valves are technically fittings, but are usually discussed as a separate category. In an...
Casting Materials of Valves
Casting Materials of Valves ASTM Casting Materials Material ASTM Casting SPEC Service Carbon Steel ASTM A216 Grade WCB Non-corrosive applications including water, oil and gases at temperatures between -20°F (-30°C) and +800°F (+425°C) Low Temp Carbon Steel ASTM A352 Grade LCB Low temperatu...