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排水(shui)用灰鑄鐵直(zhi)(zhi)(zhi)管(guan)及管(guan)件(jian)(jian)(jian)公差(cha)要求如(ru)下：1.外形 a.直(zhi)(zhi)(zhi)管(guan)的(de)彎曲度應不大于2mm/m。 b.直(zhi)(zhi)(zhi)管(guan)及管(guan)件(jian)(jian)(jian)端(duan)面(mian)應與軸線(xian)相垂直(zhi)(zhi)(zhi)。 c.管(guan)件(jian)(jian)(jian)兩(liang)軸線(xian)角度允(yun)(yun)許偏(pian)差(cha)為(wei)士1°30＇。2.尺寸允(yun)(yun)許偏(pian)差(cha) a....
排水用灰鑄鐵W型管件結構型式與尺(chi)(chi)(chi)寸(cun)如下：W型P存水彎型式見(jian)圖5-25，尺(chi)(chi)(chi)寸(cun)見(jian)表5-25。W型S存水彎型式見(jian)圖5-26，尺(chi)(chi)(chi)寸(cun)見(jian)表5-26。W型90°短彎頭型式見(jian)圖5-27，尺(chi)(chi)(chi)寸(cun)見(jian)表5-27。W型90°長彎頭型式見(jian)圖5-28，尺(chi)(chi)(chi)寸(cun)見(jian)表5-28。W型45°...
排水用灰(hui)鑄鐵A型(xing)管件結(jie)構(gou)型(xing)式(shi)(shi)(shi)與(yu)尺寸如下：45°彎頭型(xing)式(shi)(shi)(shi)見圖5-9，尺寸見表(biao)5-9。90°彎頭型(xing)式(shi)(shi)(shi)見圖5-10，尺寸見表(biao)5-10。大小(xiao)頭型(xing)式(shi)(shi)(shi)見圖5-11，尺寸見表(biao)5-11。套袖型(xing)式(shi)(shi)(shi)見圖5-12，尺寸見表(biao)5-12。P型(xing)存水彎型(xing)式(shi)(shi)(shi)見圖5-13，尺寸...
1.接口連接安(an)裝(zhuang)結(jie)(jie)構 a. A型柔性(xing)接口的安(an)裝(zhuang)結(jie)(jie)構圖(tu)見圖(tu)5-1。 b. W型無承口（管箍(gu)式）接口的安(an)裝(zhuang)結(jie)(jie)構圖(tu)見圖(tu)5-2。2.A型柔性(xing)接口直管 a. A型柔性(xing)接口直管...
排水用(yong)灰(hui)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)分為A型(xing)(xing)管(guan)件(jian)(jian)和(he)W型(xing)(xing)管(guan)件(jian)(jian)兩大類(lei)。1.A型(xing)(xing)灰(hui)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)種(zhong)類(lei) A型(xing)(xing)灰(hui)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)的種(zhong)類(lei)見(jian)表5-1。2.W型(xing)(xing)灰(hui)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)種(zhong)類(lei) W型(xing)(xing)灰(hui)鑄(zhu)(zhu)(zhu)(zhu)鐵(tie)管(guan)件(jian)(jian)的種(zhong)類(lei)見(jian)表5-2。...
排水(shui)用(yong)灰鑄(zhu)鐵管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)是一種柔(rou)性接(jie)口(kou)(kou)的直(zhi)管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)，主(zhu)要(yao)用(yong)于(yu)排放(fang)污(wu)水(shui)，其(qi)公稱口(kou)(kou)徑范圍為(wei)50～200mm。排水(shui)用(yong)柔(rou)性接(jie)口(kou)(kou)灰鑄(zhu)鐵管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)，按其(qi)接(jie)口(kou)(kou)型(xing)式可(ke)分為(wei)A型(xing)直(zhi)管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)和W型(xing)無承口(kou)(kou)（管(guan)(guan)(guan)箍式）接(jie)口(kou)(kou)兩種。對于(yu)W型(xing)管(guan)(guan)(guan)件(jian)，按其(qi)壁厚又可(ke)分為(wei)TA級(ji)和TB級(ji)兩級(ji)。...
1.材料化(hua)學(xue)成分 鑄(zhu)鐵(tie)管件的磷含量應不(bu)大于0.40％，硫含量應不(bu)大于0.12％。2.力學(xue)性能 a.抗拉強度 鑄(zhu)鐵(tie)管件的抗拉強度應不(bu)小于1.4MPa。 b.硬(ying)度 當鑄(zhu)鐵(tie)管件在切(qie)削、鉆孔有(you)困難而...
1.插口(kou)外徑(jing)和承(cheng)(cheng)口(kou)內(nei)徑(jing) 管(guan)件(jian)(jian)插口(kou)外徑(jing)和承(cheng)(cheng)口(kou)內(nei)徑(jing)極限偏差(cha)見表4-28。2.承(cheng)(cheng)口(kou)深度(du) 管(guan)件(jian)(jian)承(cheng)(cheng)口(kou)深度(du)允許(xu)偏差(cha)： 公稱口(kou)徑(jing)為75～500mm：±5mm； 公稱口(kou)徑(jing)≥600mm：±10mm。3.壁(bi)厚(hou) ...
通(tong)(tong)用管(guan)(guan)(guan)件系指量(liang)大(da)、面(mian)廣且適(shi)用于各(ge)(ge)行各(ge)(ge)業的管(guan)(guan)(guan)件（通(tong)(tong)常有國家標(biao)準(zhun)）。通(tong)(tong)用管(guan)(guan)(guan)件包括給水(shui)(shui)用灰(hui)(hui)鑄鐵(tie)管(guan)(guan)(guan)件；排水(shui)(shui)用灰(hui)(hui)鑄鐵(tie)管(guan)(guan)(guan)及(ji)管(guan)(guan)(guan)件；球墨鑄鐵(tie)管(guan)(guan)(guan)、管(guan)(guan)(guan)件和附件；可(ke)鍛鑄鐵(tie)管(guan)(guan)(guan)件；鋼(gang)制(zhi)對焊無縫管(guan)(guan)(guan)件；鋼(gang)板制(zhi)對焊管(guan)(guan)(guan)件；鍛鋼(gang)制(zhi)承(cheng)插焊管(guan)(guan)(guan)件及(ji)鍛鋼(gang)制(zhi)螺紋管(guan)(guan)(guan)件等8部(bu)分內容。給水(shui)(shui)用灰(hui)(hui)鑄鐵(tie)管(guan)(guan)(guan)件結(jie)構型式(shi)與尺寸1....
輸送用灰(hui)鑄鐵(tie)管(guan)(guan)件與直管(guan)(guan)或管(guan)(guan)件的連(lian)接型式有承插(cha)連(lian)接及法(fa)蘭連(lian)接兩種。4.2.1承插(cha)連(lian)接 異型管(guan)(guan)件承插(cha)口斷面見圖4-1，尺寸見表(biao)4-2。4.2.2法(fa)蘭連(lian)接 異型管(guan)(guan)件法(fa)蘭盤斷面見圖4-2，尺寸見表(biao)4-3。...
給水(shui)及煤氣(qi)用灰鑄鐵管件(jian)包(bao)括承插連(lian)接和(he)法(fa)蘭(lan)連(lian)接兩種(zhong)。公稱口徑(jing)范圍為(wei)75～1500mm;公稱壓力在(zai)1.0MPa（10bar）以下。 給水(shui)用灰鑄鐵管件(jian)的(de)種(zhong)類見表4-1。...
HG/T20553-1993《化(hua)工(gong)(gong)配管(guan)(guan)用無縫(feng)及焊接鋼(gang)管(guan)(guan)尺(chi)寸選用系列》適用于化(hua)工(gong)(gong)配管(guan)(guan)設計，內容包括(kuo)無縫(feng)及焊接鋼(gang)管(guan)(guan)尺(chi)寸系列。但換(huan)熱器管(guan)(guan)束等化(hua)工(gong)(gong)設備（非配管(guan)(guan)）用的鋼(gang)管(guan)(guan)不包括(kuo)在內。HG/T20553-1993不包括(kuo)GB／T3091-2001《低(di)壓流(liu)體輸送用焊接鋼(gang)管(guan)(guan)》及高...
