The discusser of seal structure and capabilities for valve
wang zhong cheng 1; wang xue song 2(1 harbin hbc valve co. ltd; harbin 150046; china; 2 harbin hbc co. ltd; harbin 150046; china)

..............page:39-40

The desing of leakpro of breathing-type-safety-valve
wu hua feng\+1; wu chuan xing\+2(1\^logistic institute of air force; xuzhou 210006; china; 2\^ oil material institute of air force; beijing 10000; china)

..............page:3-4

A new type of inspiration-exhaust valve adopting equilibrium reverse acting actuator
yong qi wei 1; wang jin chun 2; jiang ming 1; zeng qing feng 3(1 logistic engineering college of pla; chongqing 400016; china; 2 natural gas academe of south west oil gas field company; huayang 610213; china; 3 chuanqing valve manufactory; chongqing 400020; china)

..............page:1-2,4

The application of HVOF in metal to metal seat ball valves
wang zhi zhong; chen huan liang(guangdong mingzhu group co.; ltd; xingning 514500; china)

..............page:10-12

Application and composition of classification codes of valve parts and classified procedure
zhang xiao hua; xin quan yu(kaifeng high pressure valve factory; kaifang 475002; china)

..............page:13-14

Development and application of super high pressure safety valve
zhou yong zhong; feng kang yi(zigong cemented carbide corp.ltd.; zigong; 643011; china)

..............page:35-36

Pressure-Temperature rating for ASTM materials using in power station valves
zhang quan qiang(sinopec; beijing 100029; china)

..............page:8-9

Water-hitting and releasing-pressure valve on oil transportational pipeline is used
li yong(sinopec pipeline storage and transport co.; xuzhou 221008; china)

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

Common main body material for steel valve
zheng yun hai; yu guo liang(shenyang valve research institute; shenyang liaoning 110025; china)

..............page:15-34

Process of dynamic signals in control valve stability experiment
tu shan(engergy and power engineering school; xi an jiaotong university; xi an; 710049; china)

..............page:5-7

wen xian suo yin
liu kai ning

..............page:41-42