电动球阀动作时间 阀门厂家排名前50

电动球阀动作时间：

电动球阀动作时间的计算方法主要有两种：

一种是基于电气参数的计算方法，计算公式为：动作时间=1.5×电源电压（V）/动作电流（A）。

另一种是基于物理参数的计算方法，计算公式为：动作时间=通径/动作速度（m/s）。

根据电动球阀的特性，可以根据实际情况选择上述两种计算方法之一来计算动作时间。

阀门厂家排名前50：

1.Kitz(Japan) 2.Flowserve Corporation (US) 3.Curtiss-Wright Corporation (US) 4.Cameron International Corporation (US) 5.Velan Inc. (Canada) 6.ITT Corporation (US) 7.Crane Co. (US) 8.Metso Corporation (Finland) 9.Spirax Sarco (UK) 10.Power-Sonic Corporation (US) 11.KITZ Corporation (Japan) 12.Nihon Koryo Valve Co., Ltd. (Japan) 13.Neway Valve Co., Ltd. (China) 14.EBRO Armaturen GmbH & Co. KG (Germany) 15.Habonim (Israel) 16.Shanghai Huaerda Valve Co., Ltd. (China) 17.Shanghai Kuanjie Valve Co., Ltd. (China) 18.Sungo Valve Group Co., Ltd. (China) 19.Shanghai Huayi Valve Co., Ltd. (China) 20.C & C Industries, Inc. (US) 21.Emerson Electric Co. (US) 22.Royce Technologies Corporation (US) 23.Shanghai Fudun Valve Co., Ltd. (China) 24.Hitachi, Ltd. (Japan) 25.Valvitalia (Italy) 26.Shanghai Weike Valve Co., Ltd. (China) 27.Mueller Co. (US) 28.Shanghai Yichao Valve Co., Ltd. (China) 29.Schubert & Salzer (Germany) 30.Korea Valve Co., Ltd. (Korea) 31.General Electric Company (US) 32.Shanghai Lixin Valve Co., Ltd. (China) 33.Karuvadu Valves Pvt. Ltd. (India) 34.Fluid Controls (UK) 35.Shanghai Huadong Valve Co., Ltd. (China) 36.Shanghai Baoyi Valve Co., Ltd. (China) 37.Samson AG (Germany) 38.Shanghai Xinhao Valve Co., Ltd. (China) 39.Tyco International (Ireland) 40.Shanghai Shengxin Valve Co., Ltd. (China) 41.Hiton Valve Co., Ltd. (Taiwan) 42.Shanghai Gaofeng Valve Co., Ltd. (China) 43.Leser GmbH + Co. KG (Germany) 44.Shanghai Xunfeng Valve Co., Ltd. (China) 45.Rotork plc (UK) 46.Shanghai Boqi Valve Co., Ltd. (China) 47.Shanghai Yuyuan Valve Co., Ltd. (China) 48.Shanghai Yuxin Valve Co., Ltd. (China) 49.SMC Corporation (Japan) 50.Shanghai Huaguang Valve Co., Ltd. (China)