Analyzing and discussing of structure and performance for piston reducing valve
wu zheng(shanghai research institute of general machinery; shanghai 200042; china)

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

Program of flow area for governing valve
jin jia dong; wang jian hui(harbin boiler co.; ltd; harbin 150046; china)

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

Study and design of the change direction valve with ceramic valve Core
tong xing sheng(jiang han university; wuhan 430019; china)

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

Solution to oil leakage of the electrie valve autuator
tan ai hong\+1; xu chang wu\+2(1\^yangzhou polytechnic college; yangzhou 225002; china; 2\^yangzhou electric power equipment repair & manufacture factory; yangzhou 225003; china)

..............page:28-29

Option error anylysis of control valves in water supply system of boiler
fang yuan bai(kunming non ferrous metallurgy design & research institute; kunming 650051; china)

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

Research on overlay technology of Co-base alloy on nuclear grade valve
su zhi dong; wang de quan(shenyang valve research institute; shenyang 110025; china)

..............page:15-18

Analysis on characteristics of adjustable ratio of regulator
yang ji wei(hebei institute of architectural science & technology; handan 056038; china)

..............page:11-14

Dissconsion of valve clarification
qi jian qian(automation research lnstitute of ministry of metallurgical lndustry; beijing 100071; china)

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

wen xian suo yin
liu kai ning

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

Comparing instrumentation valves and tube fittings with domestic and abroad
liu zhong de(school of material engineering; jiangsu university of science and technology; zhenjiang 212013; china)

..............page:30-35

The system of valve design computer and verify
peng yan\+1; lei wen yu\+2; tan yong guang\+1(1\^zigong high pressure valve co.; zigong 643000; china; 2\^chongqing university; chongqing 400044; china)

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

api gui fan yu chan pin biao zhun ji api ren zheng yu zi xun
ye jian guo ; gong shi fang

..............page:21-22

Dynamic disposal skill of the packing leaking in the large size electromotion valve
hu yi wei(organic synthesis factory of jilin chemical group corporation; jilin 132022; china)

..............page:26-27,37

Nuclear grade flexible graphite packing and its localization
zhao yue yang 1; zhang yun long 2(1 engineering department of daya bay nuclear power station; shenzhen 518124; china; 2 shenyang valve research institute; shenyang 110025; china)

..............page:38-40

huan ying ding gou zhen kong za zhi

..............page:40