Research on diaphragm vibration-resistant pilot-operated low pressure all-open safety valve
wen dian jiang 1; ding xin wei 2(1 safety equipment factory of dalian university of technology; dalian 116012; china; 2 department of chemical engineering & machinery; dalian university of technology; dalian 116012; china)

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

The composite switch mechanism of dual slots valves
wang jia xin(shanghai zheng yu valve manufacturing co.; ltd; shanghai 201109; china)

..............page:32-40

Cavitation and flashing in control valves
li hong mei; pang xiu wei; liu hui feng(haerbin hbc valve co. ltd; haerbin 150046; china)

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

The design of harmonic screw nuclear gate valve
wang xiang jiang(nanhua univercity; hengyang 421001; china)

..............page:33-35

wen xian suo yin
liu kai ning

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

Vales flow confficient calculation of chocked flow condition
liu yong fen(petro china company ltd. harbin petrochemical company designing department; harbin 150056; china)

..............page:11-12,14

Safety valve opening of dynamic analysis of course
jia li jun; wang min; pang xiu wei(haerbin hbc valve co.ltd; haerbin 150046; china)

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

Design of manual choke & stop valve
wang ming an; feng quan(chongqing xintai machinery ltd; yongchuan 402160; china)

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

Designing of bypass control part for check valve
jin jing; wang tong yue(shenyang valve research institute; shenyang 110025; china)

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

Design research of structures of ball valves for long pipline
huang ming ya; wang xiao jun; song zhong rong; zhang ji wei(hefei general machinery researd institute; hefei 230031; china)

..............page:22-24

Application and analysis of cyclic type regulating valve underthe operating mode of high energy consumption
zhang yun hai(hubei hongcheng general machinery co.; ltd jingzhou 434000; china)

..............page:19-21,24

Application of virtual reality on the valve-maintenancetraining system of nuclear power machinery
zhu bo; wang lian sheng(naval university of engineering; wuhan 430033; china)

..............page:30-31

guan xian yong fa men de zhi neng kong zhi
yu jin long

..............page:41

Corrosion-resisting research on valveused in the unit for desulfurizing in fire power plant
lu huan cheng; he ling(kaifeng high pressure valve factory; kaifeng 475002; china)

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

The designing and forging process of body for high pressure ball valve
yang xian quan\+1; zhang yun wei\+1; yang li\+2(1\^kaifeng high pressure valve factory; kaifeng 475002; china; 2\^zhengzhou yuming industrial valve factory; zhengzhou 450141; china)

..............page:25-27

The cold welding technology for the sealing surface of blast furnace valve
zong pei yan; zhang li rong; yu wen xin; sun rong quan(shenyang university; shenyang 110044; china)

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

Developed antifriction ash discharge valve
jiao yong chen; qu shu zhen(the branch of shandong electric power penglai cast basalt factory; penglai 265600; china)

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