Numerical simulation of the sound field and experiment research of ball valve gas inner leakage
wang bing1; sheng shui-ping1; zhang ying2; yu bing1(1.hangzhou special equipment inspection institute; hangzhou 310003; china; 2.daqing petroleum institute; daqing; 163318; china)

..............page:14-18

Whet device development of small size and hard seal ball valve
hua jian-yu; li ling(zigong high pressure valve co.; ltd.; zigong 643032; china)

..............page:27-28

Research on safety valve's technology issue
lu lan-qing(beijing institute of aerospace testing technology; beijing 100074; china)

..............page:29-31

The mathematical model and calculation of closing time for self-acting fluid level control valve
zhang shi-fu; zhu jin-peng; zhang qi-xin; liu xiong-hui(dept.of logistical engineering university; chongqing 400016; china)

..............page:10-11,18

The design and principle of a new type of inlet ball valves for water turbo
peng jian-hong; xie jian-cong; chen xiao-li(shang hai koflow machinery co.; ltd; shanghai 201611; china)

..............page:7-9

Optimized designing of cast steel wedge gate valve
ni ping (ningbo amico copper valves mfg inc; ningbo 315020; china)

..............page:1-6

Experiment and research of flow characteristic of DRAG-Labyrinth minimum flow control valve of boiler feed water pump
zhong fang-sheng; jiang xu-ping; chen ming-tao(college of power engineering; university of shanghai for science and technology; shanghai 200093; china)

..............page:19-22

Design for control system of a new adjusting valve
liu chun-yu; han wei-shi; zeng he-rong(college of nuclear science and technology; harbin engineering university; harbin 150001; china)

..............page:12-13,28

Repairing welding procedure of C12A steel casting body of power plant valve
chen qing-wen; xu liu-bin(hbc valve co.ltd; harbin 150046; china)

..............page:25-26,45

The performance research of airtight valves based on the method of TRIZ and AD
yang zhu-qing(college of mechanical engineering and automation; north university of china; taiyuan 030051; china)

..............page:39-42

The application of nickel material at flue gas desulfurization valves
dai fu-lin; dai jian(chengdu kai-yuan equipment co.; ltd.chengdu 610036; china)

..............page:34-38

The intelligent electric valve control system based on LonWorks technology and the design of configuration function
chen jing-jing; wang jin-quan; tang you-huai; ma ru-po(engineering institute of engineering corps; pla univ.of sci.& tech.; nanjing 210007; china)

..............page:43-45

Research and manufacture of test device for flux characteristics and resistance coefficient of valve
wang jian1; lin mei2; chen jian-bin2; zhang ji-wei1; chen jing-miao2(1.hefei general machinery research institute; hefei 230031; china; 2.yongjia product quality supervision and inspection institute; wenzhou 325102; china)

..............page:23-24,38

The development and application of the software for valve design and manufacturing process
jiao lun-ling; tang hui-feng; qiao guan-chao(henan kaifeng high pressure valve co.; itd; kaifeng 475002; china)

..............page:32-33