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Hebei Machinery Tengani ndi katundu Co., Ltd. anali lidzasinthidwa olowa katundu malonda yachilendo kampani October 2005. Pamene kuloŵedwa m'malo, Hebei Nthambi China National Machinery Tengani & Tumizani Corporation anakhazikitsidwa mu October 1974, amene anali oyambirira katundu ndi matanthauzo kampani moganizira mankhwala makina ndi magetsi m'chigawo Hebei ......
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...