NEWS
排水用灰鑄鐵直管(guan)及管(guan)件(jian)公(gong)差要求(qiu)如下：1.外(wai)形 a.直管(guan)的彎曲(qu)度應(ying)不大于2mm/m。 b.直管(guan)及管(guan)件(jian)端(duan)面應(ying)與軸(zhou)(zhou)線相垂直。 c.管(guan)件(jian)兩軸(zhou)(zhou)線角度允(yun)許偏差為士1°30＇。2.尺寸允(yun)許偏差 a....
排水用灰鑄鐵(tie)W型(xing)管件結構型(xing)式與(yu)尺寸(cun)如(ru)下：W型(xing)P存水彎型(xing)式見(jian)(jian)圖(tu)5-25，尺寸(cun)見(jian)(jian)表5-25。W型(xing)S存水彎型(xing)式見(jian)(jian)圖(tu)5-26，尺寸(cun)見(jian)(jian)表5-26。W型(xing)90°短(duan)彎頭型(xing)式見(jian)(jian)圖(tu)5-27，尺寸(cun)見(jian)(jian)表5-27。W型(xing)90°長彎頭型(xing)式見(jian)(jian)圖(tu)5-28，尺寸(cun)見(jian)(jian)表5-28。W型(xing)45°...
排水(shui)用灰鑄鐵A型(xing)管件結構型(xing)式(shi)與尺寸(cun)(cun)(cun)如下(xia)：45°彎(wan)頭型(xing)式(shi)見(jian)圖5-9，尺寸(cun)(cun)(cun)見(jian)表(biao)5-9。90°彎(wan)頭型(xing)式(shi)見(jian)圖5-10，尺寸(cun)(cun)(cun)見(jian)表(biao)5-10。大小頭型(xing)式(shi)見(jian)圖5-11，尺寸(cun)(cun)(cun)見(jian)表(biao)5-11。套袖型(xing)式(shi)見(jian)圖5-12，尺寸(cun)(cun)(cun)見(jian)表(biao)5-12。P型(xing)存(cun)水(shui)彎(wan)型(xing)式(shi)見(jian)圖5-13，尺寸(cun)(cun)(cun)...
1.接(jie)口(kou)(kou)連(lian)接(jie)安裝(zhuang)(zhuang)結(jie)(jie)構 a. A型(xing)柔性(xing)接(jie)口(kou)(kou)的安裝(zhuang)(zhuang)結(jie)(jie)構圖見圖5-1。 b. W型(xing)無承(cheng)口(kou)(kou)（管箍式）接(jie)口(kou)(kou)的安裝(zhuang)(zhuang)結(jie)(jie)構圖見圖5-2。2.A型(xing)柔性(xing)接(jie)口(kou)(kou)直管 a. A型(xing)柔性(xing)接(jie)口(kou)(kou)直管...
排(pai)水用灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)(jian)(jian)分為A型(xing)管(guan)件(jian)(jian)(jian)和(he)W型(xing)管(guan)件(jian)(jian)(jian)兩大類(lei)。1.A型(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)(jian)(jian)種類(lei) A型(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)(jian)(jian)的種類(lei)見表5-1。2.W型(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)(jian)(jian)種類(lei) W型(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)(jian)(jian)的種類(lei)見表5-2。...
排水(shui)用灰(hui)鑄鐵管(guan)(guan)及管(guan)(guan)件是一種柔性接(jie)口(kou)的直管(guan)(guan)及管(guan)(guan)件，主要用于(yu)排放污水(shui)，其(qi)(qi)公稱口(kou)徑范圍為(wei)50～200mm。排水(shui)用柔性接(jie)口(kou)灰(hui)鑄鐵管(guan)(guan)及管(guan)(guan)件，按其(qi)(qi)接(jie)口(kou)型(xing)(xing)式(shi)可(ke)分為(wei)A型(xing)(xing)直管(guan)(guan)及管(guan)(guan)件和(he)(he)W型(xing)(xing)無承口(kou)（管(guan)(guan)箍式(shi)）接(jie)口(kou)兩種。對于(yu)W型(xing)(xing)管(guan)(guan)件，按其(qi)(qi)壁厚又可(ke)分為(wei)TA級和(he)(he)TB級兩級。...
1.材(cai)料化學成分 鑄鐵(tie)管件(jian)的磷(lin)含量應(ying)不大于(yu)0.40％，硫含量應(ying)不大于(yu)0.12％。2.力學性能 a.抗拉強(qiang)度(du)(du) 鑄鐵(tie)管件(jian)的抗拉強(qiang)度(du)(du)應(ying)不小于(yu)1.4MPa。 b.硬度(du)(du) 當鑄鐵(tie)管件(jian)在切削(xue)、鉆孔有困難而...
1.插口(kou)外徑(jing)和承(cheng)口(kou)內(nei)徑(jing) 管(guan)件插口(kou)外徑(jing)和承(cheng)口(kou)內(nei)徑(jing)極(ji)限偏差(cha)見表4-28。2.承(cheng)口(kou)深度(du) 管(guan)件承(cheng)口(kou)深度(du)允許偏差(cha)： 公稱(cheng)口(kou)徑(jing)為75～500mm：±5mm； 公稱(cheng)口(kou)徑(jing)≥600mm：±10mm。3.壁(bi)厚 ...
通用(yong)(yong)管(guan)(guan)件(jian)系指量大(da)、面廣(guang)且(qie)適用(yong)(yong)于(yu)各行各業(ye)的管(guan)(guan)件(jian)（通常有國家標準）。通用(yong)(yong)管(guan)(guan)件(jian)包(bao)括給(gei)水用(yong)(yong)灰(hui)鑄鐵(tie)管(guan)(guan)件(jian)；排水用(yong)(yong)灰(hui)鑄鐵(tie)管(guan)(guan)及管(guan)(guan)件(jian)；球(qiu)墨鑄鐵(tie)管(guan)(guan)、管(guan)(guan)件(jian)和附件(jian)；可鍛(duan)鑄鐵(tie)管(guan)(guan)件(jian)；鋼(gang)制(zhi)(zhi)對焊(han)無縫(feng)管(guan)(guan)件(jian)；鋼(gang)板制(zhi)(zhi)對焊(han)管(guan)(guan)件(jian)；鍛(duan)鋼(gang)制(zhi)(zhi)承插焊(han)管(guan)(guan)件(jian)及鍛(duan)鋼(gang)制(zhi)(zhi)螺紋管(guan)(guan)件(jian)等(deng)8部分內容。給(gei)水用(yong)(yong)灰(hui)鑄鐵(tie)管(guan)(guan)件(jian)結(jie)構(gou)型(xing)式與尺寸1....
輸送(song)用(yong)灰鑄鐵管(guan)件與直管(guan)或管(guan)件的(de)連接型(xing)(xing)(xing)式有承插連接及(ji)法(fa)蘭連接兩種。4.2.1承插連接 異型(xing)(xing)(xing)管(guan)件承插口斷面見(jian)圖(tu)(tu)4-1，尺(chi)寸(cun)見(jian)表4-2。4.2.2法(fa)蘭連接 異型(xing)(xing)(xing)管(guan)件法(fa)蘭盤斷面見(jian)圖(tu)(tu)4-2，尺(chi)寸(cun)見(jian)表4-3。...
給(gei)水及煤氣用(yong)灰鑄(zhu)鐵管件包括承插連接(jie)和法(fa)蘭連接(jie)兩種(zhong)。公(gong)稱口徑范圍為75～1500mm;公(gong)稱壓力在1.0MPa（10bar）以下(xia)。 給(gei)水用(yong)灰鑄(zhu)鐵管件的種(zhong)類見表4-1。...
HG/T20553-1993《化工(gong)配(pei)管(guan)(guan)用(yong)無(wu)縫(feng)及焊(han)接(jie)鋼(gang)管(guan)(guan)尺寸選用(yong)系列(lie)(lie)》適用(yong)于化工(gong)配(pei)管(guan)(guan)設(she)計，內容包括無(wu)縫(feng)及焊(han)接(jie)鋼(gang)管(guan)(guan)尺寸系列(lie)(lie)。但換熱器(qi)管(guan)(guan)束等化工(gong)設(she)備（非配(pei)管(guan)(guan)）用(yong)的(de)鋼(gang)管(guan)(guan)不(bu)包括在內。HG/T20553-1993不(bu)包括GB／T3091-2001《低壓流體輸送用(yong)焊(han)接(jie)鋼(gang)管(guan)(guan)》及高...
