China rama Valve Industry hmasawnna chanchin (1) .

A tlangpuiin

Valve a nihi general machinery-a product pawimawh tak a ni. Pipe emaw device hrang hrangah dah a ni a, chu chuan valve chhunga channel area thlak danglamin medium flow control a ni. A hnathawh te chu: medium connect emaw cut off emaw, medium chu a luang kir leh loh nan te, medium pressure leh flow ang chi parameter te siamrem te, medium flow direction thlak te, medium then emaw pipeline leh equipment te overpressure laka ven te, etc. te hi a ni.

Valve product chi hrang hrang a awm a, chu chu a then a nigate valve a ni, khawvel pum pui, .check valve a ni, ball valve, .butterfly valve a ni, plug valve, diaphragm valve, safety valve, regulating valve (control valve), throttle valve, pressure tihhniamna valve leh Traps, etc. Material ang chuan copper alloy, cast iron, carbon steel, alloy steel, austenitic steel, ferritic-austenitic dual-phase steel, nickel-based alloy, titanium alloy, engineering plastic leh ceramic valve, etc. ah then a ni a, chubakah chuan special valve te pawh a awm a, chungte chu ultra-high pressure valve, vacuum valve, power station valve, valve for pipeline leh pipeline, nuclear industry atana valve, lawng tan valve leh cryogenic valve te a awm bawk. Valve parameter hrang hrang, nominal size DN1 (unit in mm) atanga DN9750 thleng; ultra-vacuum atanga nominal pressure 1. a ni× 10-10 mmHg (1mmHg = 133.322Pa) atanga ultra-high pressure PN14600 (unit 105 Pa) thleng a ni a; Hnathawh temperature hi ultra-low temperature -269 atanga tan a ni°C a nichu ultra-high temperature 1200 thleng a ni°C a ni.

Valve hmanga thil siam chhuah ram economy sector hrang hrangah hman a ni nasa hle a, chu chu oil, natural gas, oil leh gas tihthianghlim leh tihfai leh pipeline hmanga phurh chhuahna system, chemical product, damdawi leh ei tur siamna system, hydropower, thermal power leh nuclear power siamna system te a ni Valve chi hrang hrang hi heating leh power supply system-ah te, metallurgical production system-ah te, lawng, lirthei, thlawhna leh sports machinery hrang hrang tana fluid system-ah te, loneih theihna tur irrigation leh drainage system-ah te hman a ni nasa hle. Hei bakah hian technology thar, defence leh aerospace-ah te pawh hian valve hrang hrang, special property nei te an hmang bawk.

Valve products hian mechanical product tam zawk a huam a ni. Ramdang industry lian zawkte statistics atanga a lan dan chuan valve output value hi machinery industry pumpui output value atanga 5% vel a ni. Statistics-a a lan danin, kilowatt unit maktaduai hnih aṭanga siam, traditional nuclear power plant-ah hian shared valve 28,000 vel a awm a, heng zinga 12,000 vel chu nuclear island valve a ni. Tunlai petrochemical complex lian tak siam nan hian valve hrang hrang sang tam tak a mamawh a, valve-a investment hi a tlangpuiin hmanrua lama investment zawng zawng atanga 8% atanga 10% vel a ni.

China hlui rama valve industry dinhmun tlangpui

01 China rama valve industry lo pianna hmun: Shanghai

China hluiah chuan Shanghai hi China rama valve siamna hmun hmasa ber a ni. Kum 1902 khan Shanghai khawpui Hongkou District-a Wuchang Road-a awm Pan Shunji Copper Workshop chuan teapot faucet batch te te chu kut hmangin an siam tan a. Teapot faucet hi cast copper cock chi khat a ni. Tun thlenga China rama valve siamtu hmasa ber a ni. Kum 1919 khan Deda (Shengji) Hardware Factory (Shanghai Transmission Machinery Factory hmaa lo awm tawh) chuan bicycle te tak te atanga tan in, copper cock, globe valve, gate valve leh fire hydrant te siam chhuah a tan a. Cast iron valve siam hi kum 1926 atang khan tan a ni a, a nominal size sang ber chu NPS6 (inches-in, NPS1 = DN25.4) a ni. Hemi hun chhung hian hardware factory Wang Yingqiang, Dahua, Lao Demao leh Maoxu te pawhin valve siamna tur hmun hawn a ni bawk. Chumi hnuah chuan market-a plumbing valve mamawhna a san avangin hardware factory, iron factory, sand foundry (casting) factory leh machine factory batch dang pakhat chu a hnungzuiin valve siam turin hawn a ni.

Shanghai khawpui Hongkou District-a Zhonghongqiao, Waihongqiao, Daming Road leh Changzhi Road-ah te valve siamtu pawl din a ni. Chutih lai chuan ram chhunga brand hralh hnem ber chu “Horse Head”, “Three 8′′, “Three 9′′, “Double Coin”, “Iron Anchor”, “Chicken Ball” leh “Eagle Ball” te an ni. Low-pressure cast copper leh cast iron valve products te hi building leh sanitary facility-a plumbing valve atan hman a ni ber a, light textile industry sector-ah pawh cast iron valve tlemte hman a ni bawk. Heng factory te hi a lian lo hle a, technology hnungtawlh, plant hmanrua awlsam tak leh valve output hniam tak nei mahse China rama valve industry lo piang hmasa ber an ni. A hnuah Shanghai Construction Hardware Association din a nih hnuah heng valve siamtute hian a hnungzuiin he association hi an zawm a, waterway group an ni ta a ni. member a ni.

02Valve siamna hmun lian pahnih

Kum 1930 tir lam khan Shanghai Shenhe Machinery Factory chuan tui hnathawhna tur NPS12 hnuaiah low-pressure cast iron gate valve an siam a. Kum 1935 khan factory hian Xiangfeng Iron Pipe Factory leh Xiangtai Iron Co., Ltd. shareholder-te nen joint venture an din a, Daxin Iron Factory (Shanghai Bicycle Factory hmaa lo awm tawh) sak a ni a, kum 1936 khan sak zawh a ni a, siam chhuah tan a ni a, hnathawk 100 vel an awm a, ram pawn atanga lakluh 2.6 zhang (1 zhang≈ a ni3.33m) lathes leh lifting hmanrua, a bik takin industrial leh mining accessories, cast iron tui pipe leh cast iron valve siamchhuahna, valve nominal size chu NPS6 ~ NPS18 a ni a, Tui plant tan valve set kimchang design leh supply thei a ni a, a thil siamte chu Nanjing, Hangzhou leh Beijing-ah te thawnchhuah a ni. Kum 1937-a “August 13′′ Japanese invader-te’n Shanghai an luah hnuah, factory chhunga plant leh hmanrua tam zawk chu Japanese artillery kah avangin a tichhia a, a kum leh chuan capital an tipung a, hna an thawk leh ta a ni.NPS14 ~ NPS36 cast iron gate valves, mahse economic depression, sluggish business, leh austerity layoffs vangin an la siam tha thei lo New China din hma lawk thlengin.

Kum 1935 khan ram pum huapa sumdawng Li Chenghai telin shareholder panga chuan Shenyang City-a Nancheng District-a Shishiwei Road-ah Shenyang Chengfa Iron Factory (Tieling Valve Factory hmaa awm) chu an din ta a ni. Valve siamthat leh siam chhuah. Kum 1939 khan Factory hi tihzauh nan Beierma Road, Tiexi District-ah sawn a ni a, casting leh machining siamna tur workshop lian pahnih siam a ni bawk. Kum 1945 thleng khan hnathawk 400-ah a pung tawh a, a thil siam chhuah ber chu: boiler lian tak tak, cast copper valve, leh lei hnuaia cast iron gate valve, DN800 aia nominal size nei te an ni. Shenyang Chengfa Iron Factory hi China hluiah chuan valve siamtu an ni a, an dam khawchhuah theih nan an bei nasa hle.

03Valve industry chu hnung lamah a awm

Anti-Japanese War lai khan Shanghai leh hmun dangah enterprise tam tak chu chhim thlang lamah an insawn a, chuvang chuan Chongqing leh a hnung lam hmun dangah enterprise an pung nasa hle a, industry chu a lo thang chho tan ta a ni. Kum 1943 khan Chongqing Hongtai Machinery Factory leh Huachang Machinery Factory (factory pahnih hi Chongqing Valve Factory hmaa lo awm tawhte an ni) te chuan plumbing part leh low-pressure valve te siam that leh siam chhuah an tan a, hei hian indo laia indona hunlaia a hnung lama thil siam chhuah tihhmasawn leh civil valve chinfelna kawngah hmun pawimawh tak a chang a ni. Anti-Japanese War hnehna a chan hnuah Lisheng Hardware Factory, Zhenxing Industrial Society, Jinshunhe Hardware Factory leh Qiyi Hardware Factory te chu a zawnin hawn a ni a, valve te tak te siam a ni. New China din a nih hnuah heng factory te hi Chongqing Valve Factory-ah an inzawm khawm ta a ni.

Chutih lai chuan mi thenkhatvalve siamtute an niShanghai-ah pawh Tianjin, Nanjing leh Wuxi-ah te valve siam that leh siamna tur factory siam turin a kal bawk. Beijing, Dalian, Changchun, Harbin, Anshan, Qingdao, Wuhan, Fuzhou leh Guangzhou-a hardware factory thenkhat, iron pipe factory, machinery factory emaw shipyard thenkhat pawhin plumbing valve thenkhat siamthat leh siam hna an thawk tawh bawk.