The analysis and control of the casting crackle of valve cap
gao jin liang(machinery and electric power and architecture engineering college; jiaxing college; jiaxing 314000; china)

..............page:19-20

Calculation of belleville spring used for valve
yang hong(xishan city valve factory; xishan 214117; china)

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

The application of dimension in the design of stop valves
fu li; sun rong quan(shenyang university; shenyang 110044; china)

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

Analysis and sum-up of steel pipe flanges standards in common use
zheng yun ai(shengyang valve research institute; shenyang 110025; china)

..............page:21-31

The selection and regulation of spring safety valve
zhao chun yue; ji shou jun(china yong yi valve co.; ltd; yongjia 325105; china)

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

wen xian suo yin
liu kai ning

..............page:42-43

Stem sealing structure for high temperature gate valve
guo yan jun(qinhuangdao metallurgical machinery co.; ltd; qinhuangdao 066004; china)

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

wu xie lou xuan fu shi tong qi fa
ma yong ; zhu chang wei ; sun bao lin

..............page:39

A disc type tevolving-expanding switch mechanismfor valves with dual slots
wang jia xin(shanghai dieqiu valve plant; shanghai; 201109; china)

..............page:37-38

Design of BS cast iron gate valve
lin rui yi(fuzhou valve general factory; fuzhou 350015; china)

..............page:4-7

The seal design and test of the helium safety valves for HTR-10
wu xin xin; he shu yan(institute of nuclear energy technology; tsinghua university; beijing; 100084; china)

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

Research and manufacture of pneumatic control disc spring safety valve
yan zheng wei; jin shou gen(zhejiang luofu boiler accessories factory; wenzhou 325102; china)

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

Chromium-plating of ball influence the ball service life and strength of ball arced groove
wang xin quan(guangdong seal scientific research institute; xingning 514500; china)

..............page:17-18

Joint type globe and throttle valve
jiao yong chen; qu shu zhen; yang xing qiang(penglai shui cheng pipe valve factory; penglai 265600; china)

..............page:15-16,41