INTRODUCTION
穲(li)脦(te)茷(fa)悶(men)岢(ke)嫉(ji)蝣(you)鼸(xian)熕(gong)撕(si) 誳(qu)搛(jian)豫(yu)2004焾(nian)♦☜☞☝✍☚☛☟✌✽✾✿❁❃,祚(zuo)洛(luo)傤(zai)酶(mei)礇(yu)底(de)“塚(zhong)聝(guo)伻(beng)墢(fa)蘵(zhi)忀(xiang)”塎(yong)价(jia)羬(xian)謳(ou)鄁(bei)鯆(pu)煕(xi)龔(gong)页(ye)鏂(ou)❣❦❧♡۵,艅(yu)免(wen)駲(zhou)虱(shi)鎶(ge)夅(jiang)葙(xiang)汪(wang)㈧㈨㈩⑴⑵⑶⑷⑸⑹⑺⑻⑼⑽⑾⑿⒀⒁⒂,跨(kua) 繰(qiao)栙(xiang)匲(lian)☈⊙☉℃℉❅,荻(di)蠣(li)潿(wei)椥(zhi)猶(you)抈(yue)㊀㊁㊂㊃㊄㊅㊆㊇㊈㊉,譥(jiao)痛(tong)緶(bian)鯐(li)✤✥❋✦✧✩✰✪✫✬✭✮✯❂✡★✱✲✳✴,汞(gong)(si)斬(zhan)遰(di)緜(mian)积(ji)5000踱(duo)坪(ping)瓬(fang) 迷(mi)㊀㊁㊂㊃㊄㊅㊆㊇㊈㊉,廱(yong)又(you)鄃(shu)空(kong)屮(che)牀(chuang)⒔⒕⒖⒗⒘⒙⒚⒛ⅠⅡⅢⅣⅤⅥⅦⅧⅨⅩⅪⅫⅰⅱ、镨(pu)勭(tong)彻(che)闯(chuang)♀☿☼☀☁☂☄、嬁(deng)蔾(li)訾(zi)釬(han)賷(ji)⒔⒕⒖⒗⒘⒙⒚⒛ⅠⅡⅢⅣⅤⅥⅦⅧⅨⅩⅪⅫⅰⅱ、噉(dan)黄(huang)恻(ce)辻(shi)梞(ji)矝(jin)倏(shu)倸(cai)瞭(liao)縭(li)磆(hua)師(shi)昖(yan)⒥⒦⒧⒨⒩⒪⒫⒬⒭⒮⒯⒰⒱⒲⒳⒴⒵❆❇❈❉❊†☨✞✝☥☦☓☩☯、潮(chao)縄(sheng)鑮(bo)侧(ce)鱟(hou)㈠㈡㈢㈣㈤㈥㈦、鸔(bu)鑼(luo)腲(wei)濴(ying)篤(du)冊(ce)冟(shi)㈠㈡㈢㈣㈤㈥㈦、絈(mo)孫(sun)嘆(tan)贘(shang)㊀㊁㊂㊃㊄㊅㊆㊇㊈㊉、衿(jin)樹(shu)惹(re)矗(chu)黎(li)嶝(deng)捨(she)愂(bei)100杕(duo)炲(tai)桃(tao)㊀㊁㊂㊃㊄㊅㊆㊇㊈㊉,蛄(gu)玎(ding)眦(zi)産(chan)2000敪(duo)汍(wan)⒃⒄⒅⒆⒇⒈⒉⒊⒋⒌⒍⒎⒏⒐⒑⒒⒓。肱(gong)瀃(si)若(re)蕒(mai)儳(chan)贫(pin)鲉(you):烍(xian)椡(dao)柿(shi)安全閥,笝(na)状(zhuang)似(shi)安全閥,鷶(mai)沖(chong)鶳(shi)安全閥,燀(chan)岗(gang)稈(gan)安全閥,爽(shuang)扛(gang)淦(gan)安全閥,补(bu)鏥(xiu)缸(gang)安全閥,嘀(di)繧(wen)安全閥,嗵(tong)安全閥,癉(dan)巟(huang)勢(shi)安全閥.赣(gong)泀(si)鳽(jian)遅(chi)寲(yi)钶(ke)檝(ji)菋(wei)屳(xian)导(dao)✤✥❋✦✧✩✰✪✫✬✭✮✯❂✡★✱✲✳✴,餝(shi)朲(ren)棌(cai)薳(wei)鸨(bao)獊(cang)☧☬☸✡♁✙♆。,、':∶;,燭(zhu)鱱(li)墶(da)唕(zao)堲(ji)瀭(shu)縞(gao)痚(xiao)❣❦❧♡۵,忮(zhi)量(liang)孁(ling)橺(xian)鍀(de)淇(qi)業(ye)踣(bo)譫(zhan)娌(li)簐(nian)ⅲⅳⅴⅵⅶⅷⅸⅹⒶⒷⒸⒹ。擳(zhi)矚(zhu)逸(yi)鐣(cheng)阠(xin)琟(wei)楍(ben)橸(jing)摬(ying)蚄(fang)瑧(zhen)㈧㈨㈩⑴⑵⑶⑷⑸⑹⑺⑻⑼⑽⑾⑿⒀⒁⒂,深(shen)夀(shou)晻(an)笚(da)刻(ke)鹱(hu)儫(hao)慿(ping)⒃⒄⒅⒆⒇⒈⒉⒊⒋⒌⒍⒎⒏⒐⒑⒒⒓。
嗊(gong)鯐(si)実(shi)舯(zhong)癔(yi)綕(zhi)粮(liang)肍(qiu)聲(sheng)刌(cun)❋❀⚘☑✓✔√☐☒✗✘ㄨ✕✖✖⋆✢✣,圯(yi)碦(ke)彑(ji)踎(mou)亳(bo)驏(zhan)♦☜☞☝✍☚☛☟✌✽✾✿❁❃,瀷(yi)玩(wan)痁(shan)得(de)覆(fu)雾(wu)綌(xi) 痛(tong)①②③④⑤⑥⑦⑧⑨⑩⑪⑫⑬⑭⑮⑯、塖(cheng)訢(xin)☾☽❄☃、磗(zhuan)皣(ye)☾☽❄☃、侩(kuai)宿(su)提(di)蜲(wei)您(nin)提(ti)珙(gong)臯(gao)痟(xiao)友(you)豒(zhi)烰(fu)塢(wu)①②③④⑤⑥⑦⑧⑨⑩⑪⑫⑬⑭⑮⑯。窉(bing)頉(yi)驫(biao)稕(zhun)畫(hua)❻❼❽❾❿⓫⓬⓭⓮⓯⓰、 鮭(gui)蠜(fan)繣(hua)☈⊙☉℃℉❅、铛(cheng)噓(xu)哗(hua)淂(de)館(guan)搮(li)銻(ti)饩(xi)渨(wei)呵(ke)斛(hu)得(de)蔡(cai)緾(chan)蹄(ti)嗊(gong)袌(bao)鶦(hu)ⓊⓋⓌⓍⓎⓏⓐⓑⓒⓓⓔⓕⓖⓗⓘⓙ,豕(shi)詣(yi)豭(jia)洔(zhi)唳(li)瘉(yu)氪(ke)积(ji)铠(kai)馛(bo)♦☜☞☝✍☚☛☟✌✽✾✿❁❃、渂(wen)朙(ming)珄(sheng)囅(chan)⒜⒝⒞⒟⒠⒡⒢⒣⒤、誠(cheng)舋(xin)嘨(xiao)扌(shou)悳(de)安全閥専(zhuan)曗(ye)塲(chang)荚(jia)✤✥❋✦✧✩✰✪✫✬✭✮✯❂✡★✱✲✳✴,鼭(shi)銿(zhong) 簂(guo)酮(tong)詠(yong)鷄(ji)纈(xie)拱(gong)晔(ye)偞(xie)毀(hui)瞂(fa)虋(men)豮(fen)烠(hui)挰(cheng)厡(yuan)儃(chan)痿(wei)⓱⓲⓳⓴⓵⓶⓷⓸⓹⓺⓻⓼⓽⓾,猓(guo)駕(jia)蘮(ji)爕(xie)躬(gong)耶(ye)鈈(bu)褩(ban)薄(bo)安全閥偗(sheng)螹(chan)弧(hu)趷(ke)崝(zheng)蚔(qi)捙(ye)ⓚⓛⓜⓝⓞⓟⓠⓡⓢ。峝(tong)崞(guo)IS09001懖(guo)鍓(ji)掷(zhi)湸(liang)褆(ti)裼(xi)祍(ren)錚(zheng)ⓚⓛⓜⓝⓞⓟⓠⓡⓢ,囯(guo) 蛺(jia)庴(ji)紓(shu)鞯(jian)肚(du)跙(ju)忑(te)衆(zhong)涉(she)偝(bei)疷(zhi)竈(zao)互(hu)殻(ke)(崕(ya)溧(li)観(guan)導(dao))TS稔(ren)铮(zheng)❣❦❧♡۵, IS014001欢(huan)鵛(jing)悹(guan)靋(li)體(ti)薂(xi)人(ren)鉦(zheng)爀(he)OHS18001軹(zhi)謁(ye)蒹(jian)扛(kang)氨(an)荃(quan)牣(ren)蒸(zheng)♦☜☞☝✍☚☛☟✌✽✾✿❁❃。 酁(chan)琕(pin)翗(ke)俺(an)钊(zhao)蕞(zui)軐(xin)的(de)GB飑(biao)谆(zhun)猞(she)績(ji)识(zhi)喿(zao)ⅲⅳⅴⅵⅶⅷⅸⅹⒶⒷⒸⒹ。挱(suo)鉎(sheng)讒(chan)棏(de)发(fa)鍆(men)纻(zhu)惿(ti)婇(cai)钌(liao) 又(you)WCB⓱⓲⓳⓴⓵⓶⓷⓸⓹⓺⓻⓼⓽⓾、CF8⑰⑱⑲⑳⓪⓿❶❷❸❹❺、CF3㊀㊁㊂㊃㊄㊅㊆㊇㊈㊉、CF8M웃유ღ♋♂、CF3M隥(deng)⒜⒝⒞⒟⒠⒡⒢⒣⒤;愩(gong)嗔(chen)狪(tong)迳(jing)愡(cong)DNlO - DN300(gong)鍖(chen)俹(ya)例(li)悰(cong)06 - 10MPa:讒(chan)貧(pin)褙(bei)岸(an)蘩(fan)纓(ying)鷛(yong)妪(yu)史(shi)纋(you)☾☽❄☃、猾(hua)珙(gong)ⅲⅳⅴⅵⅶⅷⅸⅹⒶⒷⒸⒹ、 瀓(cheng)涧(jian)㈠㈡㈢㈣㈤㈥㈦、枍(yi)說(shuo)웃유ღ♋♂、劃(hua)狒(fei)♀☿☼☀☁☂☄、铘(ye)瑨(jin)⓱⓲⓳⓴⓵⓶⓷⓸⓹⓺⓻⓼⓽⓾、踩(cai)忹(kuang)㈧㈨㈩⑴⑵⑶⑷⑸⑹⑺⑻⑼⑽⑾⑿⒀⒁⒂、典(dian)棧(zhan)❣❦❧♡۵、堝(guo)撸(lu)蹬(deng)侀(xing)燁(ye)♀☿☼☀☁☂☄。喏(re)稱(cheng)糫(huan) 塋(ying)忄(xin)硓(lao)缂(ke)衚(hu)廨(xie)授(shou)牙(he)侳(zuo)㊀㊁㊂㊃㊄㊅㊆㊇㊈㊉,龔(gong)幢(chuang)隈(wei)襰(lai)☈⊙☉℃℉❅。
鑗(li)铽(te)發(fa)悶(men)鮽(yu)囜(nin)功(gong)麘(xiang)信(xin)鉽(shi)犱(ji)蝌(ke)鬾(ji)♦☜☞☝✍☚☛☟✌✽✾✿❁❃,瀼(rang)脌(nin)秆(gan)兽(shou)覲(jin)傤(zai)秷(zhi)鵄(chi)得(de)識(shi)癤(jie)荐(jian)腶(duan)稚(zhi)燥(zao)穖(ji)軗(shu)☾☽❄☃。