阀门厂家排名前50 高压球阀yjzq—j25w

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)

高压球阀yjzq—j25w：

yjzq—j25w高压球阀的结束操作：1、关闭球阀手轮；2、拧紧球阀杆螺栓；3、检查密封圈；4、拧紧螺母；5、检查球体和阀体连接处；6、检查阀门旋转是否平衡；7、检查密封性能。