Design and research of flow regulating valve of sleeve type
sun rong quan; ji xiao dan; chen xing lin(shenyang university; shenyang 110044; china)

..............page:4-5,27

Development and application of multi-passage valve
gu cheng guo(wuzhong instrument co.; ltd; wuzhong 751100; china)

..............page:17-18,36

The design of ball muller for ball valve
wang lan xi(china petrochemical group co. lanzhou design institute; lanzhou 730060; china)

..............page:19-21

Improvement on cam-rocher returning mechanism for emergenc block valve
zhang jiang dong; zhang chun mei; zhang qiu fang(zhengzhou yuming industrial co.1td valve factory; xingyang 450141; china)

..............page:40-41

The Monel alloys in corrosion resisting valves
zhang lin; yue jing hua(lanzhou high pressure valve factory; lanzhou 730060; china)

..............page:37-39

Welding procedure for pipe-pipe butt jonts of ZG15Cr1Mo1V and P91 stell
gu bang yu; sun fang jun; jiang wen li; wang yi wen(dong fang boiler valve co.; ltd; zigong 643001; china)

..............page:25-27

Research on cylinder valve technical features and its application
zhang si qing; xu yi min; wang yi; zhang jian rong; shen dong(kunming university of science and technology; kunming 650051; china)

..............page:8-11

Analysis and study on the structure of valve stuffing sealing
wan sheng jun; wang xin hong(harbin boiler co. ltd.; harbin 150046; china)

..............page:12-14

Ni-P plating technology application on the valve sealing
ding li jiang(tianjin tanggu watts valve co.; ltd; tianjin 300450; china)

..............page:22-24

Research and application of hydraulically controlled slurry valve
pang shu dong(nanjing design & research institute of scieg; nanjing; 210031; china)

..............page:15-16

Comparison and analysis on valve pressure test specification of national and international standards
miao yu cai(shenyang valve research institute; shenyang 110025; china)

..............page:28-33

Nanometer and valve
huang wei min; tao bei ping(the southwest research institute of chemical industry; chengdu 610225; china)

..............page:34-36

Yoke connection design of electric globe valve using at high pressure and temperature
tang lin; tang hui feng(kaifeng high pressure valve factory; kaifeng 475002; china)

..............page:6-7,24

Structure design of double-sealed guide valve
song lei; ying li ming(lianyungang ocean fluid loading equipment co.ltd lianyungang 222042; china)

..............page:1-3