NEWS
排水用灰鑄(zhu)鐵直(zhi)(zhi)管(guan)及(ji)管(guan)件(jian)公差(cha)要(yao)求如下：1.外形 a.直(zhi)(zhi)管(guan)的(de)彎曲度應不大于2mm/m。 b.直(zhi)(zhi)管(guan)及(ji)管(guan)件(jian)端面應與(yu)軸線(xian)相垂直(zhi)(zhi)。 c.管(guan)件(jian)兩軸線(xian)角度允許偏(pian)差(cha)為士1°30＇。2.尺寸允許偏(pian)差(cha) a....
排水用灰鑄鐵W型管件結構型式(shi)與尺(chi)寸(cun)如(ru)下：W型P存(cun)水彎(wan)型式(shi)見(jian)圖5-25，尺(chi)寸(cun)見(jian)表(biao)(biao)5-25。W型S存(cun)水彎(wan)型式(shi)見(jian)圖5-26，尺(chi)寸(cun)見(jian)表(biao)(biao)5-26。W型90°短彎(wan)頭(tou)型式(shi)見(jian)圖5-27，尺(chi)寸(cun)見(jian)表(biao)(biao)5-27。W型90°長彎(wan)頭(tou)型式(shi)見(jian)圖5-28，尺(chi)寸(cun)見(jian)表(biao)(biao)5-28。W型45°...
排水用灰鑄(zhu)鐵A型(xing)(xing)管件結構型(xing)(xing)式與(yu)尺(chi)(chi)寸(cun)如下：45°彎頭(tou)(tou)(tou)型(xing)(xing)式見(jian)圖5-9，尺(chi)(chi)寸(cun)見(jian)表(biao)5-9。90°彎頭(tou)(tou)(tou)型(xing)(xing)式見(jian)圖5-10，尺(chi)(chi)寸(cun)見(jian)表(biao)5-10。大小(xiao)頭(tou)(tou)(tou)型(xing)(xing)式見(jian)圖5-11，尺(chi)(chi)寸(cun)見(jian)表(biao)5-11。套袖型(xing)(xing)式見(jian)圖5-12，尺(chi)(chi)寸(cun)見(jian)表(biao)5-12。P型(xing)(xing)存水彎型(xing)(xing)式見(jian)圖5-13，尺(chi)(chi)寸(cun)...
1.接(jie)口(kou)(kou)連接(jie)安裝結(jie)構 a. A型(xing)柔(rou)性(xing)接(jie)口(kou)(kou)的安裝結(jie)構圖(tu)見(jian)圖(tu)5-1。 b. W型(xing)無(wu)承口(kou)(kou)（管(guan)箍式）接(jie)口(kou)(kou)的安裝結(jie)構圖(tu)見(jian)圖(tu)5-2。2.A型(xing)柔(rou)性(xing)接(jie)口(kou)(kou)直管(guan) a. A型(xing)柔(rou)性(xing)接(jie)口(kou)(kou)直管(guan)...
排水用灰鑄鐵(tie)管(guan)(guan)件(jian)分為A型(xing)管(guan)(guan)件(jian)和W型(xing)管(guan)(guan)件(jian)兩(liang)大類(lei)。1.A型(xing)灰鑄鐵(tie)管(guan)(guan)件(jian)種類(lei) A型(xing)灰鑄鐵(tie)管(guan)(guan)件(jian)的種類(lei)見(jian)表5-1。2.W型(xing)灰鑄鐵(tie)管(guan)(guan)件(jian)種類(lei) W型(xing)灰鑄鐵(tie)管(guan)(guan)件(jian)的種類(lei)見(jian)表5-2。...
排(pai)(pai)水用(yong)灰(hui)鑄鐵管(guan)及(ji)管(guan)件(jian)(jian)是一種(zhong)柔(rou)(rou)性接(jie)口(kou)(kou)的直管(guan)及(ji)管(guan)件(jian)(jian)，主要用(yong)于(yu)排(pai)(pai)放污水，其公稱口(kou)(kou)徑范圍為50～200mm。排(pai)(pai)水用(yong)柔(rou)(rou)性接(jie)口(kou)(kou)灰(hui)鑄鐵管(guan)及(ji)管(guan)件(jian)(jian)，按其接(jie)口(kou)(kou)型(xing)式可分為A型(xing)直管(guan)及(ji)管(guan)件(jian)(jian)和W型(xing)無承(cheng)口(kou)(kou)（管(guan)箍式）接(jie)口(kou)(kou)兩種(zhong)。對于(yu)W型(xing)管(guan)件(jian)(jian)，按其壁厚又可分為TA級和TB級兩級。...
1.材料化(hua)學成分 鑄(zhu)鐵管件(jian)的(de)磷含量(liang)應不(bu)大于(yu)0.40％，硫含量(liang)應不(bu)大于(yu)0.12％。2.力學性(xing)能 a.抗拉強(qiang)度 鑄(zhu)鐵管件(jian)的(de)抗拉強(qiang)度應不(bu)小于(yu)1.4MPa。 b.硬(ying)度 當鑄(zhu)鐵管件(jian)在切削、鉆(zhan)孔有困難而...
1.插口(kou)(kou)外(wai)徑(jing)和承口(kou)(kou)內(nei)徑(jing) 管(guan)件(jian)插口(kou)(kou)外(wai)徑(jing)和承口(kou)(kou)內(nei)徑(jing)極(ji)限偏差見(jian)表4-28。2.承口(kou)(kou)深(shen)度(du) 管(guan)件(jian)承口(kou)(kou)深(shen)度(du)允(yun)許偏差： 公稱口(kou)(kou)徑(jing)為(wei)75～500mm：±5mm； 公稱口(kou)(kou)徑(jing)≥600mm：±10mm。3.壁厚(hou) ...
通用(yong)(yong)管(guan)件(jian)(jian)系指量大、面廣且適用(yong)(yong)于各(ge)行(xing)各(ge)業的(de)管(guan)件(jian)(jian)（通常有國家標準）。通用(yong)(yong)管(guan)件(jian)(jian)包括給水(shui)用(yong)(yong)灰鑄(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)；排水(shui)用(yong)(yong)灰鑄(zhu)(zhu)鐵(tie)管(guan)及管(guan)件(jian)(jian)；球墨(mo)鑄(zhu)(zhu)鐵(tie)管(guan)、管(guan)件(jian)(jian)和附件(jian)(jian)；可(ke)鍛鑄(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)；鋼制(zhi)對(dui)焊無縫管(guan)件(jian)(jian)；鋼板制(zhi)對(dui)焊管(guan)件(jian)(jian)；鍛鋼制(zhi)承插焊管(guan)件(jian)(jian)及鍛鋼制(zhi)螺紋(wen)管(guan)件(jian)(jian)等8部分(fen)內容。給水(shui)用(yong)(yong)灰鑄(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)結構型式(shi)與尺寸1....
輸送用(yong)灰鑄鐵管(guan)件與直管(guan)或管(guan)件的連(lian)(lian)(lian)接型(xing)式有承插(cha)連(lian)(lian)(lian)接及法(fa)(fa)蘭連(lian)(lian)(lian)接兩(liang)種。4.2.1承插(cha)連(lian)(lian)(lian)接 異型(xing)管(guan)件承插(cha)口(kou)斷(duan)面(mian)見(jian)圖4-1，尺寸見(jian)表4-2。4.2.2法(fa)(fa)蘭連(lian)(lian)(lian)接 異型(xing)管(guan)件法(fa)(fa)蘭盤斷(duan)面(mian)見(jian)圖4-2，尺寸見(jian)表4-3。...
給水及煤(mei)氣用灰鑄(zhu)鐵(tie)管(guan)件(jian)包括承插(cha)連接(jie)和法蘭連接(jie)兩種(zhong)。公稱口徑(jing)范圍為75～1500mm;公稱壓力在(zai)1.0MPa（10bar）以下(xia)。 給水用灰鑄(zhu)鐵(tie)管(guan)件(jian)的種(zhong)類見表4-1。...
HG/T20553-1993《化(hua)工(gong)配管(guan)(guan)(guan)(guan)用(yong)無(wu)縫(feng)及焊(han)接鋼(gang)(gang)管(guan)(guan)(guan)(guan)尺(chi)寸選用(yong)系列(lie)》適用(yong)于化(hua)工(gong)配管(guan)(guan)(guan)(guan)設(she)計，內容(rong)包(bao)括無(wu)縫(feng)及焊(han)接鋼(gang)(gang)管(guan)(guan)(guan)(guan)尺(chi)寸系列(lie)。但換熱(re)器管(guan)(guan)(guan)(guan)束等化(hua)工(gong)設(she)備(bei)（非配管(guan)(guan)(guan)(guan)）用(yong)的鋼(gang)(gang)管(guan)(guan)(guan)(guan)不(bu)包(bao)括在內。HG/T20553-1993不(bu)包(bao)括GB／T3091-2001《低壓流體輸(shu)送用(yong)焊(han)接鋼(gang)(gang)管(guan)(guan)(guan)(guan)》及高...
