NEWS
管(guan)件（按計算其壓力額定(ding)值的基準管(guan)子）分為(wei)Sch80和Sch160兩個等(deng)級。根據配(pei)接管(guan)子外(wai)徑(jing)的不同(tong)選擇(ze)，管(guan)件承口(kou)內徑(jing)尺寸(cun)（d1）和流通孔直徑(jing)尺寸(cun)（d2）分別(bie)規定(ding)了A、B兩個系(xi)列(lie)，推薦優先(xian)選用A系(xi)列(lie)。 同(tong)一(yi)管(guan)件的各承口(kou)處尺寸(cun)應同(tong)為(wei)A系(xi)列(lie)或B系(xi)列(lie)。但在供需雙方協(xie)商...
管(guan)(guan)件(jian)與管(guan)(guan)子(zi)的(de)連(lian)接方式采(cai)用承插(cha)焊連(lian)接，而工(gong)藝采(cai)用模鍛成型和切削(xue)加工(gong)的(de)方法(fa)或(huo)棒(bang)料加工(gong)制(zhi)造的(de)管(guan)(guan)件(jian)稱(cheng)為鍛鋼(gang)制(zhi)承插(cha)焊管(guan)(guan)件(jian)。這種管(guan)(guan)件(jian)的(de)規格較小，通(tong)常(chang)公(gong)稱(cheng)通(tong)徑范圍為DN15～DN80。管(guan)(guan)件(jian)種類及代號見表10-1。...
在不銹鋼(gang)管(guan)(guan)件(jian)(jian)與管(guan)(guan)子采用(yong)對焊連接的對焊管(guan)(guan)件(jian)(jian)中，除無(wu)縫鋼(gang)管(guan)(guan)對焊管(guan)(guan)件(jian)(jian)外，不銹鋼(gang)管(guan)(guan)件(jian)(jian)可(ke)采用(yong)鋼(gang)板或(huo)鋼(gang)帶經過冷(leng)加工(gong)或(huo)熱加工(gong)成(cheng)形。根(gen)據公稱尺寸和(he)制造方法的不同，允許在殼體上(shang)有一條或(huo)兩條以上(shang)縱向焊縫的焊件(jian)(jian)，稱為鋼(gang)板制對焊管(guan)(guan)件(jian)(jian)。1.管(guan)(guan)件(jian)(jian)的標志方法 管(guan)(guan)件(jian)(jian)可(ke)采用(yong)鋼(gang)印、噴涂(tu)等方...
在(zai)不銹(xiu)鋼(gang)管(guan)(guan)(guan)件(jian)與(yu)管(guan)(guan)(guan)子采用(yong)(yong)對(dui)焊(han)連接的對(dui)焊(han)管(guan)(guan)(guan)件(jian)中(zhong)，除無縫鋼(gang)管(guan)(guan)(guan)對(dui)焊(han)管(guan)(guan)(guan)件(jian)外(wai)，不銹(xiu)鋼(gang)管(guan)(guan)(guan)件(jian)可采用(yong)(yong)鋼(gang)板或(huo)鋼(gang)帶經(jing)過(guo)冷加工(gong)或(huo)熱加工(gong)成形。根(gen)據公稱(cheng)尺寸(cun)和(he)制造方法的不同，允(yun)許在(zai)殼體(ti)上(shang)有(you)一條(tiao)或(huo)兩條(tiao)以上(shang)縱向焊(han)縫的焊(han)件(jian)，稱(cheng)為(wei)鋼(gang)板制不銹(xiu)鋼(gang)對(dui)焊(han)管(guan)(guan)(guan)件(jian)。1.管(guan)(guan)(guan)件(jian)的制造 a.管(guan)(guan)(guan)件(jian)可采用(yong)(yong)鋼(gang)板或(huo)鋼(gang)...
在不(bu)銹(xiu)鋼(gang)管(guan)(guan)(guan)件(jian)(jian)與管(guan)(guan)(guan)子采用(yong)(yong)對焊(han)(han)連接的(de)(de)不(bu)銹(xiu)鋼(gang)對焊(han)(han)管(guan)(guan)(guan)件(jian)(jian)中，除無縫(feng)鋼(gang)管(guan)(guan)(guan)對焊(han)(han)管(guan)(guan)(guan)件(jian)(jian)外，不(bu)銹(xiu)鋼(gang)管(guan)(guan)(guan)件(jian)(jian)可采用(yong)(yong)鋼(gang)板(ban)或鋼(gang)帶經過冷加工或熱(re)加工成形(xing)。根據公(gong)稱尺寸和制造方法的(de)(de)不(bu)同，允(yun)許在殼體上(shang)(shang)有一條或兩條以上(shang)(shang)縱向(xiang)焊(han)(han)縫(feng)的(de)(de)焊(han)(han)件(jian)(jian)，稱為鋼(gang)板(ban)制對焊(han)(han)管(guan)(guan)(guan)件(jian)(jian)。1.用(yong)(yong)于制造不(bu)銹(xiu)鋼(gang)管(guan)(guan)(guan)件(jian)(jian)的(de)(de)常用(yong)(yong)鋼(gang)板(ban)材(cai)料(liao)牌(pai)號和標準見...
在不銹(xiu)(xiu)鋼(gang)管(guan)(guan)件(jian)與管(guan)(guan)子采用對(dui)焊(han)(han)(han)連接(jie)的(de)(de)不銹(xiu)(xiu)鋼(gang)對(dui)焊(han)(han)(han)管(guan)(guan)件(jian)中，除無縫鋼(gang)管(guan)(guan)對(dui)焊(han)(han)(han)管(guan)(guan)件(jian)外，不銹(xiu)(xiu)鋼(gang)管(guan)(guan)件(jian)可采用鋼(gang)板(ban)或鋼(gang)帶經過冷加工或熱加工成形。根據公稱尺寸(cun)和制造方法的(de)(de)不同，允許在殼體上(shang)有一條或兩條以上(shang)縱向焊(han)(han)(han)縫的(de)(de)焊(han)(han)(han)件(jian)，稱為鋼(gang)板(ban)制不銹(xiu)(xiu)鋼(gang)對(dui)焊(han)(han)(han)管(guan)(guan)件(jian)。 與管(guan)(guan)件(jian)連接(jie)的(de)(de)鋼(gang)管(guan)(guan)的(de)(de)壁(bi)厚分級(ji)見表...
在不(bu)(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan)件(jian)(jian)與管(guan)(guan)(guan)子采用對(dui)焊(han)連接的(de)對(dui)焊(han)管(guan)(guan)(guan)件(jian)(jian)中(zhong)，除(chu)無(wu)縫鋼(gang)(gang)管(guan)(guan)(guan)對(dui)焊(han)管(guan)(guan)(guan)件(jian)(jian)外，管(guan)(guan)(guan)件(jian)(jian)可采用鋼(gang)(gang)板(ban)或(huo)(huo)鋼(gang)(gang)帶經過(guo)冷加(jia)工或(huo)(huo)熱(re)加(jia)工成形。根據公稱尺寸和制造方法的(de)不(bu)(bu)同，允(yun)許在殼體上有一(yi)條或(huo)(huo)兩條以上縱向焊(han)縫的(de)焊(han)件(jian)(jian)，稱為(wei)鋼(gang)(gang)板(ban)制不(bu)(bu)銹(xiu)鋼(gang)(gang)對(dui)焊(han)管(guan)(guan)(guan)件(jian)(jian)。1.管(guan)(guan)(guan)件(jian)(jian)焊(han)端坡口 不(bu)(bu)銹(xiu)鋼(gang)(gang)管(guan)(guan)(guan)件(jian)(jian)焊(han)端坡口形狀及尺...
在管(guan)(guan)(guan)件(jian)與管(guan)(guan)(guan)子采用對(dui)焊(han)連接的(de)(de)不銹鋼(gang)(gang)對(dui)焊(han)管(guan)(guan)(guan)件(jian)中，除無縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)對(dui)焊(han)管(guan)(guan)(guan)件(jian)外，不銹鋼(gang)(gang)管(guan)(guan)(guan)件(jian)可(ke)采用鋼(gang)(gang)板或(huo)鋼(gang)(gang)帶經過冷加工或(huo)熱加工成形。根據公稱尺(chi)(chi)寸和制(zhi)(zhi)造方法的(de)(de)不同，允許在殼體上有一條或(huo)兩條以上縱(zong)向焊(han)縫(feng)的(de)(de)焊(han)件(jian)，稱為鋼(gang)(gang)板制(zhi)(zhi)不銹鋼(gang)(gang)對(dui)焊(han)管(guan)(guan)(guan)件(jian)。1.米(mi)制(zhi)(zhi)尺(chi)(chi)寸 a.米(mi)制(zhi)(zhi)尺(chi)(chi)寸的(de)(de)管(guan)(guan)(guan)件(jian)尺(chi)(chi)寸...
管件的(de)尺寸(cun)(cun)分為(wei)以米(mi)(mi)制(zhi)單(dan)位表示的(de)管件和以英(ying)制(zhi)單(dan)位表示的(de)管件兩個(ge)系(xi)列。在(zai)米(mi)(mi)制(zhi)單(dan)位表示的(de)管件尺寸(cun)(cun)中，管件端部外(wai)(wai)徑(jing)（即(ji)與管子(zi)外(wai)(wai)徑(jing)相(xiang)配的(de)坡口處外(wai)(wai)徑(jing)）分為(wei)Ⅰ及Ⅱ兩個(ge)系(xi)列，Ⅰ系(xi)列為(wei)國(guo)際通(tong)用系(xi)列。由(you)于米(mi)(mi)制(zhi)單(dan)位和英(ying)制(zhi)單(dan)位的(de)管件不(bu)能做到精(jing)確的(de)等同，因(yin)此使用者必(bi)須分別采用兩種(zhong)單(dan)位制(zhi)。對于尺寸(cun)(cun)為(wei)米(mi)(mi)制(zhi)單(dan)位...
在管(guan)件(jian)(jian)(jian)與管(guan)子采用對(dui)焊(han)連接的(de)對(dui)焊(han)管(guan)件(jian)(jian)(jian)中，除無(wu)縫鋼(gang)(gang)管(guan)對(dui)焊(han)管(guan)件(jian)(jian)(jian)外，管(guan)件(jian)(jian)(jian)可采用鋼(gang)(gang)板或鋼(gang)(gang)帶經過(guo)冷加工或熱(re)加工成形。根(gen)據公稱尺寸和制(zhi)造方法(fa)的(de)不同，允(yun)許在殼體上(shang)有一條或兩條以(yi)上(shang)縱向焊(han)縫的(de)焊(han)件(jian)(jian)(jian)，稱為鋼(gang)(gang)板制(zhi)對(dui)焊(han)管(guan)件(jian)(jian)(jian)。 本章涉及DN150～DN1200（NPS6～NPS48）碳...
管(guan)(guan)件(jian)與管(guan)(guan)子(zi)的連接方式采用(yong)對(dui)(dui)焊連接的稱(cheng)為(wei)對(dui)(dui)焊管(guan)(guan)件(jian)。在對(dui)(dui)焊管(guan)(guan)件(jian)中，通(tong)常采用(yong)無縫鋼(gang)(gang)管(guan)(guan)推制加工而(er)成的稱(cheng)為(wei)對(dui)(dui)焊無縫管(guan)(guan)件(jian)。本章涉及(ji)DN15～DN800（NPS1／2～NPS24）碳鋼(gang)(gang)、合金鋼(gang)(gang)和(he)不銹鋼(gang)(gang)對(dui)(dui)焊無縫管(guan)(guan)件(jian)。1.管(guan)(guan)件(jian)的標志方法 管(guan)(guan)件(jian)可采用(yong)低應力鋼(gang)(gang)印(yin)、噴涂(tu)、雕刻或標簽等方...
管(guan)(guan)(guan)件(jian)與(yu)管(guan)(guan)(guan)子的(de)連(lian)接方式采用對(dui)焊(han)連(lian)接的(de)稱為對(dui)焊(han)管(guan)(guan)(guan)件(jian)。在對(dui)焊(han)管(guan)(guan)(guan)件(jian)中(zhong)，通常采用無(wu)縫(feng)鋼(gang)管(guan)(guan)(guan)推制(zhi)加(jia)工而成的(de)稱為對(dui)焊(han)無(wu)縫(feng)管(guan)(guan)(guan)件(jian)。本章涉及(ji)DN15～DN800（NPS1/2～NPS24）碳鋼(gang)、合(he)金鋼(gang)和(he)不銹(xiu)鋼(gang)對(dui)焊(han)無(wu)縫(feng)管(guan)(guan)(guan)件(jian)。1.管(guan)(guan)(guan)件(jian)的(de)制(zhi)造 a.管(guan)(guan)(guan)件(jian)可采用彎(wan)曲(qu)、擠壓、推制(zhi)、模壓機械加(jia)工...
