Material selection for valves in the units processing high sulfur crude oil
ke song lin(sinopec engineering incorporation; beijing 100011; china)

..............page:26-28

wen xian suo yin
liu kai ning

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

Design calculation and structure characteristic of pulp check valve
chen jing; sun ping; zhang chun fang(shenyang university; shenyang 110044; china)

..............page:12-13

Automatic control of Y-type globe valve based on the speed adjustment by frequency change
yang yu tuan\+1; han bing\+1; qiu fu kang\+2(1 shanghai jiaotong university; shanghai; 200030; china; 2\^shanghai lianggong valve manufactory; shanghai; 200082; china)

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

Structure design of obstruct oil steam valve
zhang lin\+1; ye xiong fei\+2; yue jing hua\+1(1 lanzhou high pressure valve factory; lanzhou 730060; china; 2\^tianjin refinery factory; tianjin 300271; china)

..............page:8-9,17

The application and maintain of HEP series digital valve controllers
wu ke xue; ji xiao lu(shenma nylon 66 salt co.ltd instrument factory; pingdingshan 467013; china)

..............page:38-39

Design analyses and character of orbit butterfly valves for bi-directional
zhang qing ming(jiangxi lean machinery factory lean 344300; china)

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

fa men gao ya yu di ya qi ti mi feng shi yan de fen xi bi jiao
pan ren du

..............page:18-41

Technology of tocco process on sealing surface of oil extraction portalgate valve
zang xue wei; chen ye sheng; li ying nan(daqing petroleum administration bureau special purpose automobile manufacturing plant; daqing 163411; china)

..............page:22-23

The structure compare and application of there-level type shut-off valve
guo yan jun(qinhuangdao metallurgical machinery co.; ltd qinhuangdao 066004; china)

..............page:16-17

The study and application of work process of acidic pickling and inactivation for CF8 and CF8M stainless steel precision castings
lai hai yu; guan shu ming; feng xu(guang dong mingzhu ball valve group co.; ltd; xingning 514500; china)

..............page:19-21,28

Maching processing for metalface of butterfly
wu tian ping(lanzhou refineryoil chemicalengineering mechanism factory; lan zhou 730060; china)

..............page:24-25

The expanding valve sealing mechanism with a stem revolving switch mechanism
wang jia xin(shanghai dieqiu valve plant; shanghai 201109; china)

..............page:31-32

Discussion on the treatment for hydraulic oil system piping vibration when locked butterfly valve opens
ling xing 1; huang su yi 2(1 qinshan nuclear power company; haiyan 314300; china; 2 huazhong science and technology university; wuhan 430000; china)

..............page:40-41

Isostatic compaction polyfluortetraethylene lining valve
zhu xiao you(zhejiang youfumi valve co.; ltd; wenzhou 325024; china)

..............page:33-37

A pressure tester of valves DN80～1000mm
liang hui hua(foshan water supply general company; foshan 528000; china)

..............page:36-37

Valves which can't be opened or closed without permission
shi xing jun\+1; liu wei jie\+2; wang xin jun\+3(1 university of petroleum; dongying 257062; china; 2\^shengli power plant; dongying 257087; china; 3\^shengli oilfield engineering machine factory petroleum equipment department; dongying 257000; china)

..............page:29-30

Antifriction analysis for feed water control valve
xue zhen; xu jing(qingdao power station valve factory; qingdao 266043; china)

..............page:14-15,23

Plug form design of waterpower overhaul valve
chen bing(mechanical and electricity & material engineering department; xian petroleum university; xian 710065; china)

..............page:10-11

The improvement of DN 1 500 hot blast valve construction
meng cui e(qinhuangdao metallurgical machinery co.; ltd qinhuangdao 066004; china)

..............page:34-35,39