Curve and test of safety valve
wang ze-qing (harbin hbc valve co. ltd.; harbin 150046; china)

..............page:11-13,45

Experimental investigation of discharge characteristic of electrical ball valve
zheng jian-guang; liu chang-hai(china jiliang university; hangzhou 310018; china)

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

The experimental investigation of the painting sealing coating containing aluminam bronze on gate valve's seat
huang zhao; zhang hu; zhang yan-lei (qinhuangdao metallurgical machinery co.; ltd.; qinhuangdao 066004; china)

..............page:14-16

Selection for valves in transportation and distribution system of city natural gas
wang shi-xi(shanghai research institute of public utiuties; shanghai 200030; china)

..............page:28-32

The technical capacity for choice of air relief valve
wang wei-hong~1; wang dong-ping~2 (1 school of water conservancy and civil engineering xinjiang; wulumuqi 830052; china; 2 henan academy of civil engineering; zhengzhou 450007; china)

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

Design improvement of drive liquid control valve of segregate slurry pump
zhao ju; sun rong-quan; guo yi(shenyang university; shenyang 110044; china)

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

Development of small size and hard seal ball valve
su bao-jing(tianjin valve plant; tianjin 300251; china)

..............page:4-5

Bearing retainer type pipeline ball valve
hu jian-tian; wang jian-ying(tefulong group co.; ltd.; wenzhou 325011; china)

..............page:6-19

The application of Autodesk Inventor in the new product development of valves
huang xiao-guang; sun rong-quan(the mechanic engineering college of shen yang university; shen yang 110044; china)

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

wen xian suo yin
liu kai ning

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

Renovation of heat treatment process of precipitation-hardening stainless steel 0Cr17Ni4Cu4Nb
yang yu-tuan(shanghai electric (group) corp.; shanghai; 200002; china)

..............page:26-27

The system of date-base about pipe flange
yang liu-bin; ke zun-zhong; liang feng-shou(hefei university of technology; hefei 230009; china)

..............page:33-35,43

Improving on opening structure of valves
han bing-qi(shengli oil field shida valve co.ltd; dongying 257000; china)

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

Calculation of ferrite content in Austenitic Steel
chen shi-xiu; qin zhong-qiong(wuxi xishan valve factory; wuxi 214117; china)

..............page:20-25

Investigated numerically on flow-field of valves and experimental study of valve-noise
wu shi; zhang wen-ping(college of power and nuclear eng.; harbin engineering university; harbin 150001; china)

..............page:7-10