在线亚洲日产一区二区

排水用灰鑄鐵直管及管件公差

排(pai)水用灰(hui)鑄鐵直(zhi)管(guan)及管(guan)件(jian)公差(cha)要求如(ru)下(xia)：1.外形 a.直(zhi)管(guan)的彎(wan)曲度應不大于(yu)2mm/m。 b.直(zhi)管(guan)及管(guan)件(jian)端面應與軸(zhou)線相垂(chui)直(zhi)。 c.管(guan)件(jian)兩(liang)軸(zhou)線角度允許(xu)偏差(cha)為士1°30＇。2.尺寸允許(xu)偏差(cha) a....

排水用灰鑄鐵W型管件結構型式與尺寸

排水用(yong)灰鑄鐵W型(xing)(xing)管件結構型(xing)(xing)式與尺寸(cun)(cun)如下：W型(xing)(xing)P存水彎型(xing)(xing)式見(jian)(jian)圖5-25，尺寸(cun)(cun)見(jian)(jian)表(biao)5-25。W型(xing)(xing)S存水彎型(xing)(xing)式見(jian)(jian)圖5-26，尺寸(cun)(cun)見(jian)(jian)表(biao)5-26。W型(xing)(xing)90°短(duan)彎頭(tou)型(xing)(xing)式見(jian)(jian)圖5-27，尺寸(cun)(cun)見(jian)(jian)表(biao)5-27。W型(xing)(xing)90°長彎頭(tou)型(xing)(xing)式見(jian)(jian)圖5-28，尺寸(cun)(cun)見(jian)(jian)表(biao)5-28。W型(xing)(xing)45°...

排水用灰鑄鐵A型管件結構型式與尺寸

排水用(yong)灰(hui)鑄鐵A型(xing)(xing)管件結構(gou)型(xing)(xing)式(shi)與(yu)尺(chi)(chi)寸如下：45°彎(wan)頭型(xing)(xing)式(shi)見圖5-9，尺(chi)(chi)寸見表5-9。90°彎(wan)頭型(xing)(xing)式(shi)見圖5-10，尺(chi)(chi)寸見表5-10。大小頭型(xing)(xing)式(shi)見圖5-11，尺(chi)(chi)寸見表5-11。套(tao)袖型(xing)(xing)式(shi)見圖5-12，尺(chi)(chi)寸見表5-12。P型(xing)(xing)存水彎(wan)型(xing)(xing)式(shi)見圖5-13，尺(chi)(chi)寸...

排水用灰鑄鐵管及管件接口連接型式與尺寸

1.接(jie)口(kou)(kou)連(lian)接(jie)安(an)(an)裝結構(gou) a. A型柔(rou)性(xing)接(jie)口(kou)(kou)的(de)安(an)(an)裝結構(gou)圖(tu)(tu)見圖(tu)(tu)5-1。 b. W型無承(cheng)口(kou)(kou)（管(guan)箍(gu)式）接(jie)口(kou)(kou)的(de)安(an)(an)裝結構(gou)圖(tu)(tu)見圖(tu)(tu)5-2。2.A型柔(rou)性(xing)接(jie)口(kou)(kou)直管(guan) a. A型柔(rou)性(xing)接(jie)口(kou)(kou)直管(guan)...

排水用灰鑄鐵管件分類（A型管件和W型管件）

排水用灰(hui)鑄(zhu)鐵(tie)管件(jian)分為A型管件(jian)和W型管件(jian)兩大(da)類。1.A型灰(hui)鑄(zhu)鐵(tie)管件(jian)種類 A型灰(hui)鑄(zhu)鐵(tie)管件(jian)的(de)種類見表5-1。2.W型灰(hui)鑄(zhu)鐵(tie)管件(jian)種類 W型灰(hui)鑄(zhu)鐵(tie)管件(jian)的(de)種類見表5-2。...

排水用灰鑄鐵管及管件分級-A型直管及管件和W型無承口（管箍式）接口

排(pai)水(shui)用灰鑄鐵管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)是一種柔(rou)性(xing)(xing)接(jie)(jie)口(kou)的(de)直管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)，主要用于排(pai)放污水(shui)，其(qi)公稱口(kou)徑范圍為50～200mm。排(pai)水(shui)用柔(rou)性(xing)(xing)接(jie)(jie)口(kou)灰鑄鐵管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)，按其(qi)接(jie)(jie)口(kou)型(xing)式可分為A型(xing)直管(guan)(guan)(guan)及管(guan)(guan)(guan)件(jian)和(he)W型(xing)無承口(kou)（管(guan)(guan)(guan)箍(gu)式）接(jie)(jie)口(kou)兩種。對于W型(xing)管(guan)(guan)(guan)件(jian)，按其(qi)壁厚又可分為TA級和(he)TB級兩級。...

給水用灰鑄鐵管件材料及技術要求

1.材料化(hua)學(xue)成分鑄(zhu)鐵管(guan)件的磷含(han)(han)量應(ying)不(bu)大(da)于0.40％，硫含(han)(han)量應(ying)不(bu)大(da)于0.12％。2.力(li)學(xue)性能 a.抗拉(la)強度(du)(du) 鑄(zhu)鐵管(guan)件的抗拉(la)強度(du)(du)應(ying)不(bu)小于1.4MPa。 b.硬度(du)(du) 當鑄(zhu)鐵管(guan)件在切削、鉆孔有困難而...

給水用灰鑄鐵管件尺寸厚度公差技術要求

1.插口(kou)外徑(jing)和承(cheng)口(kou)內(nei)徑(jing) 管件插口(kou)外徑(jing)和承(cheng)口(kou)內(nei)徑(jing)極限偏差見表4-28。2.承(cheng)口(kou)深度管件承(cheng)口(kou)深度允許偏差：公稱(cheng)口(kou)徑(jing)為75～500mm：±5mm；公稱(cheng)口(kou)徑(jing)≥600mm：±10mm。3.壁厚 ...

給水用灰鑄鐵管件結構型式與尺寸

通用(yong)管(guan)(guan)件(jian)(jian)系(xi)指量大、面廣且適用(yong)于(yu)各(ge)行各(ge)業(ye)的管(guan)(guan)件(jian)(jian)（通常有國家(jia)標準）。通用(yong)管(guan)(guan)件(jian)(jian)包括給水用(yong)灰(hui)鑄(zhu)鐵(tie)管(guan)(guan)件(jian)(jian)；排水用(yong)灰(hui)鑄(zhu)鐵(tie)管(guan)(guan)及管(guan)(guan)件(jian)(jian)；球墨鑄(zhu)鐵(tie)管(guan)(guan)、管(guan)(guan)件(jian)(jian)和附(fu)件(jian)(jian)；可鍛(duan)(duan)鑄(zhu)鐵(tie)管(guan)(guan)件(jian)(jian)；鋼制對(dui)焊(han)(han)無縫管(guan)(guan)件(jian)(jian)；鋼板制對(dui)焊(han)(han)管(guan)(guan)件(jian)(jian)；鍛(duan)(duan)鋼制承插焊(han)(han)管(guan)(guan)件(jian)(jian)及鍛(duan)(duan)鋼制螺紋管(guan)(guan)件(jian)(jian)等8部分內容。給水用(yong)灰(hui)鑄(zhu)鐵(tie)管(guan)(guan)件(jian)(jian)結構型式(shi)與尺寸1....

輸送用灰鑄鐵管件與直管或管件的接口連接型式與尺寸

輸(shu)送用灰鑄鐵管(guan)(guan)件與直管(guan)(guan)或管(guan)(guan)件的(de)連(lian)(lian)接型式有(you)承插連(lian)(lian)接及法(fa)蘭連(lian)(lian)接兩種。4.2.1承插連(lian)(lian)接異型管(guan)(guan)件承插口斷面見圖4-1，尺寸見表(biao)4-2。4.2.2法(fa)蘭連(lian)(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。...

給水用灰鑄鐵管件的分類

給(gei)水及煤氣用灰(hui)鑄(zhu)鐵(tie)管件包括承(cheng)插連(lian)接(jie)和法蘭連(lian)接(jie)兩(liang)種。公(gong)稱口徑范圍為(wei)75～1500mm;公(gong)稱壓力在1.0MPa（10bar）以下。給(gei)水用灰(hui)鑄(zhu)鐵(tie)管件的種類(lei)見表4-1。...

化工配管用無縫及焊接鋼管尺寸

HG/T20553-1993《化(hua)工(gong)配(pei)管用(yong)無縫及(ji)焊(han)(han)接鋼(gang)管尺(chi)寸選用(yong)系列(lie)》適用(yong)于化(hua)工(gong)配(pei)管設(she)計，內(nei)容包(bao)括(kuo)無縫及(ji)焊(han)(han)接鋼(gang)管尺(chi)寸系列(lie)。但換熱器管束等(deng)化(hua)工(gong)設(she)備（非(fei)配(pei)管）用(yong)的鋼(gang)管不包(bao)括(kuo)在內(nei)。HG/T20553-1993不包(bao)括(kuo)GB／T3091-2001《低壓流(liu)體輸送用(yong)焊(han)(han)接鋼(gang)管》及(ji)高...

首頁上一頁 20 21 22 23 24 25 26 27 28 29 下一頁尾頁