1. 管(guan)子   大(da)(da)外徑(jing)(jing)系列（JIS G3454、JIS G3458、JIS G3459）與(yu)ASME大(da)(da)多數相同；無(wu)縫(feng)鋼管公稱直(zhi)徑(jing)(jing)：DN6～DN650；用(yong)管子表(biao)號“Sch”表(biao)示壁厚：碳(tan)鋼及(ji)合金鋼（JIS G3454、JIS G3458):Sch10、Sch20、Sch30、Sch40、Sch60、Sch80、Sch100、Sch120、Sch140、Sch160；不銹鋼（JIS G 3459）：Sch5s、Sch10s、Sch20s、Sch40s、Sch80s、Sch120s、Sch160s。焊接鋼管公稱直(zhi)徑(jing)(jing)：DN350～DN2000。

  2. 管(guan)法(fa)蘭   管法(fa)蘭(lan)JIS B2201、JIS B2220等(deng)自(zi)成體(ti)系，既不屬于“美式(shi)(shi)(shi)法(fa)蘭(lan)”，也不屬于“歐(ou)式(shi)(shi)(shi)法(fa)蘭(lan)”。公(gong)稱直(zhi)徑：DN10～DN1000；公(gong)稱壓力等(deng)級：2K、5K、10K、16K、20K、30K、40K、63K，其對應的(de)許(xu)用壓力值(zhi)（120℃時(shi)的(de)）見表16.8。法(fa)蘭(lan)密封(feng)面(mian)形式(shi)(shi)(shi)光滑面(mian)、大凸臺(tai)面(mian)、小凸臺(tai)面(mian)、凹凸面(mian)、榫槽(cao)面(mian)5種。法(fa)蘭(lan)形式(shi)(shi)(shi)有(you)平焊式(shi)(shi)(shi)、承插焊式(shi)(shi)(shi)、對焊式(shi)(shi)(shi)、螺紋連接式(shi)(shi)(shi)、松套(tao)式(shi)(shi)(shi)及法(fa)蘭(lan)蓋6種。JIS標準(zhun)(zhun)體(ti)系與ASME和DIN等(deng)都(dou)不能配(pei)套(tao)使用。為了彌補(bu)這個缺陷(xian)，日本石油學會(hui)編制了一(yi)套(tao)JPI標準(zhun)(zhun)，它基(ji)本上等(deng)效采用了ASME、API標準(zhun)(zhun)體(ti)系，故能與ASME互換。

  表16.8 JIS法蘭標準在120℃時的許用壓力值

  日本標準體系JIS中(zhong)配(pei)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)設計常用(yong)(yong)(yong)(yong)的管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道材(cai)料標準有：JIS G3452《普通用(yong)(yong)(yong)(yong)途(tu)碳(tan)(tan)(tan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JISG 3454《承(cheng)壓用(yong)(yong)(yong)(yong)碳(tan)(tan)(tan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JISG 3455《承(cheng)壓用(yong)(yong)(yong)(yong)碳(tan)(tan)(tan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JISG 3456《高溫用(yong)(yong)(yong)(yong)碳(tan)(tan)(tan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JISG3457《電弧(hu)焊(han)碳(tan)(tan)(tan)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JIS G3458《合金鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JIS G3459《不(bu)銹(xiu)鋼(gang)(gang)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JIS G3468《電弧(hu)焊(han)大直(zhi)徑不(bu)銹(xiu)鋼(gang)(gang)鋼(gang)(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)》、JIS B2220《鋼(gang)(gang)制(zhi)(zhi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)法(fa)蘭》、JIS B2302《鋼(gang)(gang)制(zhi)(zhi)螺紋(wen)連接管(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)》、JISB2311《普通用(yong)(yong)(yong)(yong)途(tu)的鋼(gang)(gang)制(zhi)(zhi)對(dui)焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)》、JIS B2312《鋼(gang)(gang)制(zhi)(zhi)對(dui)焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)》、JIS B2313《鋼(gang)(gang)板制(zhi)(zhi)對(dui)焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)》、JIS B2316《承(cheng)插焊(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)》、JIS B2401《O形(xing)環》、JIS B2404《管(guan)(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)蘭用(yong)(yong)(yong)(yong)纏(chan)繞式墊(dian)片》、JIS B3453《壓縮石(shi)棉(mian)墊(dian)片》等(deng)。