NEWS
排水用灰鑄鐵直管(guan)及(ji)管(guan)件(jian)(jian)公差(cha)要求(qiu)如下：1.外形 a.直管(guan)的彎曲度應不大于2mm/m。 b.直管(guan)及(ji)管(guan)件(jian)(jian)端面應與(yu)軸線(xian)相垂直。 c.管(guan)件(jian)(jian)兩軸線(xian)角度允(yun)許偏(pian)差(cha)為(wei)士1°30＇。2.尺寸(cun)允(yun)許偏(pian)差(cha) a....
排水(shui)(shui)用(yong)灰鑄鐵W型(xing)管件結構型(xing)式(shi)與尺(chi)寸(cun)如下：W型(xing)P存水(shui)(shui)彎(wan)型(xing)式(shi)見(jian)圖5-25，尺(chi)寸(cun)見(jian)表5-25。W型(xing)S存水(shui)(shui)彎(wan)型(xing)式(shi)見(jian)圖5-26，尺(chi)寸(cun)見(jian)表5-26。W型(xing)90°短彎(wan)頭(tou)型(xing)式(shi)見(jian)圖5-27，尺(chi)寸(cun)見(jian)表5-27。W型(xing)90°長(chang)彎(wan)頭(tou)型(xing)式(shi)見(jian)圖5-28，尺(chi)寸(cun)見(jian)表5-28。W型(xing)45°...
排水用(yong)灰鑄鐵A型(xing)管件結構型(xing)式(shi)與尺寸(cun)(cun)如下：45°彎頭(tou)型(xing)式(shi)見(jian)(jian)圖5-9，尺寸(cun)(cun)見(jian)(jian)表5-9。90°彎頭(tou)型(xing)式(shi)見(jian)(jian)圖5-10，尺寸(cun)(cun)見(jian)(jian)表5-10。大小頭(tou)型(xing)式(shi)見(jian)(jian)圖5-11，尺寸(cun)(cun)見(jian)(jian)表5-11。套袖型(xing)式(shi)見(jian)(jian)圖5-12，尺寸(cun)(cun)見(jian)(jian)表5-12。P型(xing)存水彎型(xing)式(shi)見(jian)(jian)圖5-13，尺寸(cun)(cun)...
1.接(jie)口(kou)(kou)(kou)連接(jie)安(an)裝(zhuang)結(jie)構(gou) a. A型(xing)柔(rou)性(xing)接(jie)口(kou)(kou)(kou)的安(an)裝(zhuang)結(jie)構(gou)圖(tu)(tu)見(jian)(jian)圖(tu)(tu)5-1。 b. W型(xing)無(wu)承口(kou)(kou)(kou)（管(guan)箍式）接(jie)口(kou)(kou)(kou)的安(an)裝(zhuang)結(jie)構(gou)圖(tu)(tu)見(jian)(jian)圖(tu)(tu)5-2。2.A型(xing)柔(rou)性(xing)接(jie)口(kou)(kou)(kou)直管(guan) a. A型(xing)柔(rou)性(xing)接(jie)口(kou)(kou)(kou)直管(guan)...
排水用灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)分為A型(xing)(xing)(xing)(xing)管(guan)件(jian)和W型(xing)(xing)(xing)(xing)管(guan)件(jian)兩(liang)大(da)類(lei)。1.A型(xing)(xing)(xing)(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)種(zhong)類(lei) A型(xing)(xing)(xing)(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)的種(zhong)類(lei)見表5-1。2.W型(xing)(xing)(xing)(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)種(zhong)類(lei) W型(xing)(xing)(xing)(xing)灰(hui)鑄(zhu)(zhu)鐵(tie)(tie)管(guan)件(jian)的種(zhong)類(lei)見表5-2。...
排水用灰鑄鐵(tie)管(guan)(guan)(guan)及(ji)管(guan)(guan)(guan)件是一(yi)種柔性接(jie)口(kou)的直(zhi)管(guan)(guan)(guan)及(ji)管(guan)(guan)(guan)件，主(zhu)要(yao)用于(yu)排放污水，其(qi)公稱(cheng)口(kou)徑范(fan)圍(wei)為(wei)50～200mm。排水用柔性接(jie)口(kou)灰鑄鐵(tie)管(guan)(guan)(guan)及(ji)管(guan)(guan)(guan)件，按其(qi)接(jie)口(kou)型式可分(fen)為(wei)A型直(zhi)管(guan)(guan)(guan)及(ji)管(guan)(guan)(guan)件和W型無承(cheng)口(kou)（管(guan)(guan)(guan)箍式）接(jie)口(kou)兩種。對于(yu)W型管(guan)(guan)(guan)件，按其(qi)壁厚又可分(fen)為(wei)TA級和TB級兩級。...
1.材料化(hua)學成分 鑄(zhu)鐵管(guan)件(jian)的磷含量應(ying)不(bu)(bu)大(da)于(yu)0.40％，硫含量應(ying)不(bu)(bu)大(da)于(yu)0.12％。2.力學性能 a.抗拉強(qiang)度(du) 鑄(zhu)鐵管(guan)件(jian)的抗拉強(qiang)度(du)應(ying)不(bu)(bu)小于(yu)1.4MPa。 b.硬(ying)度(du) 當(dang)鑄(zhu)鐵管(guan)件(jian)在切削、鉆孔有困難而...
1.插口(kou)(kou)外(wai)徑和(he)承(cheng)(cheng)口(kou)(kou)內(nei)(nei)徑 管件(jian)插口(kou)(kou)外(wai)徑和(he)承(cheng)(cheng)口(kou)(kou)內(nei)(nei)徑極限(xian)偏差(cha)見表4-28。2.承(cheng)(cheng)口(kou)(kou)深度(du)(du) 管件(jian)承(cheng)(cheng)口(kou)(kou)深度(du)(du)允許偏差(cha)： 公稱(cheng)口(kou)(kou)徑為75～500mm：±5mm； 公稱(cheng)口(kou)(kou)徑≥600mm：±10mm。3.壁厚 ...
通(tong)用(yong)管(guan)(guan)(guan)(guan)件(jian)(jian)系指量(liang)大、面廣且適用(yong)于各(ge)行各(ge)業的管(guan)(guan)(guan)(guan)件(jian)(jian)（通(tong)常(chang)有國家標準）。通(tong)用(yong)管(guan)(guan)(guan)(guan)件(jian)(jian)包括給水用(yong)灰鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)；排水用(yong)灰鑄(zhu)鐵管(guan)(guan)(guan)(guan)及管(guan)(guan)(guan)(guan)件(jian)(jian)；球墨鑄(zhu)鐵管(guan)(guan)(guan)(guan)、管(guan)(guan)(guan)(guan)件(jian)(jian)和(he)附件(jian)(jian)；可鍛鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)；鋼制對焊(han)無(wu)縫管(guan)(guan)(guan)(guan)件(jian)(jian)；鋼板制對焊(han)管(guan)(guan)(guan)(guan)件(jian)(jian)；鍛鋼制承插焊(han)管(guan)(guan)(guan)(guan)件(jian)(jian)及鍛鋼制螺紋管(guan)(guan)(guan)(guan)件(jian)(jian)等8部分內容。給水用(yong)灰鑄(zhu)鐵管(guan)(guan)(guan)(guan)件(jian)(jian)結構型式與尺(chi)寸1....
輸送用灰鑄(zhu)鐵管(guan)件(jian)與(yu)直管(guan)或(huo)管(guan)件(jian)的連接(jie)(jie)(jie)型(xing)式有承(cheng)插連接(jie)(jie)(jie)及法蘭(lan)(lan)連接(jie)(jie)(jie)兩(liang)種。4.2.1承(cheng)插連接(jie)(jie)(jie) 異型(xing)管(guan)件(jian)承(cheng)插口斷(duan)面見(jian)(jian)(jian)圖4-1，尺寸(cun)見(jian)(jian)(jian)表(biao)4-2。4.2.2法蘭(lan)(lan)連接(jie)(jie)(jie) 異型(xing)管(guan)件(jian)法蘭(lan)(lan)盤斷(duan)面見(jian)(jian)(jian)圖4-2，尺寸(cun)見(jian)(jian)(jian)表(biao)4-3。...
給水及煤氣(qi)用(yong)灰(hui)鑄(zhu)鐵管(guan)件(jian)包括承插(cha)連接(jie)和法蘭連接(jie)兩種(zhong)。公(gong)稱口徑(jing)范圍(wei)為75～1500mm;公(gong)稱壓(ya)力(li)在1.0MPa（10bar）以下。 給水用(yong)灰(hui)鑄(zhu)鐵管(guan)件(jian)的(de)種(zhong)類(lei)見表4-1。...
HG/T20553-1993《化(hua)工配管用(yong)(yong)無(wu)縫及焊(han)接鋼(gang)管尺寸選(xuan)用(yong)(yong)系列(lie)》適用(yong)(yong)于化(hua)工配管設計，內容(rong)包括(kuo)無(wu)縫及焊(han)接鋼(gang)管尺寸系列(lie)。但(dan)換熱器管束等化(hua)工設備（非配管）用(yong)(yong)的鋼(gang)管不(bu)(bu)包括(kuo)在內。HG/T20553-1993不(bu)(bu)包括(kuo)GB／T3091-2001《低壓流體輸送用(yong)(yong)焊(han)接鋼(gang)管》及高...
