水管流量及比摩阻表管径密闭回路系统（冰水）开放回路系统（冷却水）最大流量流速最大流量流速inchCMHRTCMHRTDN155/80.54※0.715605500.36※0.66DN203/41.0820.875600.721.30.75DN2511.983.60.995181.441.40.93DN3211/44.3281.245653.065.61.14DN4011/26.4811.81.375604.688.61.28DN50211.1620.51.43444450916.51.49DN6521/218331.6244814.426.41.67DN80332.4591.8945825.246.21.9DN100464.81192.1943650.492.52.2DN12551081982.3236930093.6171.82.6DN15061622972.41317151.22272.9DN20082885282.48239288528.43.2DN250104508262.46178130450825.63.17DN3001263011562.421406301155.93.13DN3501479214532.513579214533.25DN40016100818502.51101008※3.17DN450181296※2.51001296※3.22DN500201620※2.587※1620※3.24DN600242340※2.5702340※3.24DN750283708※2.5523708※3.23DN800324284※2.5494284※3.23摩阻(Pa/M)(mm)注：1、密闭式回路系统水管压降为100至580Pa/M，水管流速为1.0至2.5M/S2、开放式回路系统的压降及流速，以旧管计算（旧管管径为新管的8.8折）系统（冷却水）56655050154056057556256054051553753045830034126926021019015016613310193摩阻(Pa/M)
