Design of gear change mechanism for valve disc
liang chun-cheng; wei chang-jie; liu sheng-lei; liu zhao; liang liang(china university of mining and technology; xuzhou 221008; china)

..............page:1-4

Domestic and international standards for steel pipe flanges
zhang qing-ming(china btl valve group wenzhou 325105; china)

..............page:28-35

Application of numerically controlled lathe in the machining of control valve spindle with multiple throttling
luo xiao-long~1; zhu xin-juan~1; wu xiao-xia~2(1.wuhan boiler group valve co.; ltd.; wuhan 430070; china; 2.wuhan university; wuhan 430072; china)

..............page:20-22

Resilient disc type globe valve
zhang nan-yuan; xu mo-ran(shenyang valve research institute; shenyang 110025; china)

..............page:23-25

The A-level pipeline and uses in the A-level pipeline valve
pei yao-gui; yue jing-hua(landzhou high pressure valve co.; ltd; lanzhou 730060; china)

..............page:36-38

The application of plasma powder welding on seal surfaces of valves
gao jie~1; hu yuan-ying~2(1.wuhan gaoli thermal spray engineering co.; ltd.; wuhan 432244; china; 2.shanghai anticorrosive valve manufacturing co.; ltd.shanghai 201611; china)

..............page:17-19

A structure design of expanding-shut type hard sealing ball valves
wang jia-xin; chen qing-ping(fujian kaihong valve co.ltd; qianzhou 362304; china)

..............page:26-27,43

Titanium Pipe-frequent flaws and protect measures for piping butt welding
yuan xin~1; chen wei~1; ge ai-ju~2; wang cheng-jun~2(1.hebei chemical medicine professional technic school shijiazhuang hebei; 050031; (2.hebei special equipment installation engineering company; shijiazhuang hebei; 050031)

..............page:39-41,45

Single-direction metal sealing face ball valve
chen huan-liang(guangdong mingzhu group co.; ltd.xingning 514500; china)

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

wen xian suo yin
liu kai ning

..............page:44-45

zhong guo fa men xin xi wang cheng yuan huang ye

..............page:54-59

Plastic cut-off valve without thoroughfare reduced
luo rong-yao~1; luo rong-sen~2(1.chengdu engineering co.; ltd of china light industry; chengdu 610015; china; 2.chengdu rongsen co.; ltd of industry and commerce; chengdu 610065; china)

..............page:11-12,22

Analyzing for structure and capability of axial flow valve
chang zhan-dong~1; ying qi-jia~2(1.wuzhong instrument co.; ltd; wuzhong 751100; china; 2.university of shanghai for science and technology; shanghai 200093; china)

..............page:5-7,25

Development of the trial device and experimental research on solenoid valve
wang zhi-gang; zhang jing-guo; yang jian-guo(school of energy and power engineering; wuhan university of technology; wuhan 430063)

..............page:13-16,43

Design of large diameter marine cylinder valve
li ming; mo ying-hua; wang fei; liu yu-zhen(jiangxi marine valve plant; jiujiang 332500; china)

..............page:8-10