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新聞更多
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什麼是低溫閥門
什麼是低溫閥門？ 低溫閥門是指介質溫度為-40℃～-196℃的閥門.常用的低ě ... 閱讀更多
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氣體輸送管道風險管理
摘要：管道輸送氣體具有便捷性、運輸費用成本低的優點，因此對於氣& ... 閱讀更多
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小口徑鋼管（小口徑無縫鋼管）
小口徑鋼管 按照詞類的可以說是外徑小的鋼管，就可以稱為小口徑鋼ļ ... 閱讀更多
常見問題更多
如何根據壓力–溫度額定值對法蘭進行分類？
法蘭根據壓力–溫度額定值分類為： A.150＃ B.300＃ C.400＃ D.600＃ E.900＃ F.1500＃ G.2500＃ 標準ASME16.5中的壓 ... + 閱讀更多
如何根據法蘭的密封面進行分類？
法蘭根據密封面分為以下幾類： A. 全平面 (FF) B. 突面 (R/F) C. 榫面和槽面 (T/G) D. 凸面和凹面 (M/F) E. 環連 ... + 閱讀更多
How can flanges be classified based on face finish?
Flanges are classified based on face finish as: A. Smooth finish B. Stock finish Flange face finish The ASME b16.5 code requires that the flange face (raised face and flat face) has a specific roughness to ensure that this surface be compatible with the gasket and provide a high quality ... + 閱讀更多
What is the difference between pipe and tube?
The difference between steel tubes and steel pipes: 1. Pipe Diameter and Tube Diameter Steel tube Steel tube is generally used for structural purposes and the OD is an important and exact number. Steel tube size is specified by OD and the wall thickness (WT); and the measured OD and stated OD are general ... + 閱讀更多
What is detail of nominal pipe size?
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. The name NPS is based on the earlier “Iron Pipe Size” (IPS) system. That IPS system was established to designate the pipe size. The size represented the appr ... + 閱讀更多
How the valves are classified based on their function?
Isolation Gate valve Ball valve Plug valve Piston valve Diaphragm valve Butterfly valve Pinch valve Regulation Globe valve Needle valve Butterfly valve Diaphragm valve Piston valve Pinch valve Non- return Check valve Special purpo ... + 閱讀更多
What are details of butt weld fittings?
Buttweld Fittings A pipe fitting is defined as a part used in a piping system, for changing direction, branching or for change of pipe diameter, and which is mechanically joined to the system. There are many different types of fittings and they are the same in all sizes and schedules as the pipe. ... + 閱讀更多
What are details of ASME B16.11 socket weld fittings?
Socket Weld fittings A Socket Weld is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting or flange. In contrast to buttweld fittings, Socket Weld fittings are mainly used for small pipe diameters (Small Bore Piping); generally for piping whose nominal diameter ... + 閱讀更多
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