Study of surfacing layer thickness for valve seat
su zhi-dong(shenyang valve research institute; shenyang 110025)

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

Double floating pneumatic-operated stop valve
sun yong-quan; guo yi; zhao shang-shuang(the mechanic engineering college of shen yang university; shenyang 110044; china)

..............page:5-6

Studies on the TIG arc reflow strengthening on the surface of ductile iron
yang yuan-xiu1; kang fu-yi2(1hebei university of science and technology; shijiazhuang 050054; china; 2the third valve plant of shijiazhuang; shijiazhuang 050021; china)

..............page:16-18

Valves for high pressure and hydrogen service
yue jin-cai(shanghai jinshan petro-chemical engineering corporation; jinshan 200540; china)

..............page:23-27,30

The design of high-pressure differential valve for power station
zhang wei-dong; wang ze-qing(haerbin hbc valve co.ltd; haerbin 150046; china)

..............page:1-4,10

Calibration and maintenance of safety valve
he liang-han(acrylic fiber plant; anqing petrochemical company sinopec; aning 246001; china)

..............page:31-34

Cause and treatment of motor-driven relief valve leakage
shen kun-xin(hpi nantong power plant; nantong 226003; china)

..............page:35-37

chou ti shi fa men fa lan kong zuan mo jia
zhang pei zuo

..............page:37

shou dong chang kai shi shan xing cha ban fa ji xie chuan dong bu fen de gai jin
yang li wei

..............page:38

A new type of thermostatic expansion valve
yang jian-zhong1; deng yong-lin2; yang ying-jun1; yan min2(1beijing institute of technology heat energy staff room; beijing 100081; china; 2beijing aviation material graduate school; beijing 100000; china)

..............page:39-41

wen xian suo yin
liu kai ning

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

Research of develop in manufacturing automatization
peng yan1; he yu-lin2(1 zigong high pressure valve co.; zigong 643000; china; 2 mechanical engineering college of chongqing university; chongqing 400044; china)

..............page:28-30

The experiment study of flow property in SP type balance valve
fu yong-zheng1; zhou chuan-hui1; liu jian-kang2; liu wan-ling; cui xiao-qian2; shi cun-yin3(1college of city construction; wuhan university of sclence and technology; wuhan 430070; china; 2hebei balance valve manufacture limited company; xianxian 062250; china

..............page:13-15,18

Ball face sealing structure of globe valve
zhang jian-hua(nantong power station valve limited company; rugao 226500; china)

..............page:7-8

Fast shut-off butterfly valve
guo fu-kuan(yingkou fluid equipment manufacture group)company; yingkouliaoning 115004)

..............page:11-12

The design structure of chlorine valve and material choosing
fu li-ping; xiao jian; sun hong-bo; su dian-sun; liu li-fang(dalian high pressure valve factory; dalian 116022; china)

..............page:9-10