在线亚洲日产一区二区

球墨鑄鐵管及管件公差標準技術要求

1.管(guan)(guan)及(ji)管(guan)(guan)件(jian)(jian)的(de)(de)外(wai)徑偏差(cha)(cha) 管(guan)(guan)及(ji)管(guan)(guan)件(jian)(jian)插口端(duan)外(wai)徑DE的(de)(de)正偏差(cha)(cha)為(wei)＋1mm，適(shi)用(yong)于所有(you)(you)壁厚級別管(guan)(guan)，也適(shi)用(yong)于帶插口的(de)(de)管(guan)(guan)件(jian)(jian)，負偏差(cha)(cha)和接(jie)口類型(xing)有(you)(you)關(guan)，見6.2.1條。管(guan)(guan)與管(guan)(guan)件(jian)(jian)插口不圓度(du)應(ying)為(wei)： DN40～DN200，在(zai)DE公差(cha)(cha)范圍(wei)內； ...

球墨鑄鐵管件質量明細表格

管件的質(zhi)(zhi)量等于(yu)上(shang)述管件尺寸(cun)表格中給出的質(zhi)(zhi)量（不含接口(kou)質(zhi)(zhi)量）加(jia)上(shang)所采用(yong)接口(kou)型式承口(kou)的近似質(zhi)(zhi)量或(huo)法蘭(lan)盤(pan)的質(zhi)(zhi)量。...

球墨鑄鐵法蘭管的質量明細表格

計(ji)算(suan)質(zhi)量時，球(qiu)墨(mo)鑄鐵密度為(wei)7050kg/m3，以下表中所(suo)列的承(cheng)口質(zhi)量數(shu)據是(shi)近似值。短管(guan)質(zhi)量按(an)實際長(chang)度計(ji)算(suan)，截取性能(neng)試樣后的管(guan)子(zi)按(an)標準長(chang)度計(ji)算(suan)。法蘭(lan)管(guan)的質(zhi)量（見表6-49）...

球墨鑄鐵承插直管的質量

計算質(zhi)量時，球墨鑄鐵(tie)密度(du)為7050kg/m3，以下(xia)表(biao)中所列的(de)承口質(zhi)量數據(ju)是近似值(zhi)。短管質(zhi)量按(an)實際(ji)長(chang)度(du)計算，截取(qu)性能試(shi)樣后的(de)管子按(an)標準長(chang)度(du)計算。T型(xing)接口的(de)質(zhi)量見(jian)表(biao)6-46。K型(xing)接口的(de)質(zhi)量見(jian)表(biao)6-47。NⅡ、SⅡ型(xing)接口的(de)質(zhi)量見(jian)表(biao)6-48。...

球墨鑄鐵管件法蘭盤的結構型式與尺寸

球(qiu)墨(mo)鑄鐵管件法(fa)蘭(lan)(lan)盤的結構型(xing)式與尺(chi)(chi)寸(cun)有以下幾種：PN10法(fa)蘭(lan)(lan)盤型(xing)式見(jian)圖(tu)6-40，尺(chi)(chi)寸(cun)見(jian)表6-42。PN16法(fa)蘭(lan)(lan)盤型(xing)式見(jian)圖(tu)6-40，尺(chi)(chi)寸(cun)見(jian)表6-43。PN25法(fa)蘭(lan)(lan)盤型(xing)式見(jian)圖(tu)6-40，尺(chi)(chi)寸(cun)見(jian)表6-44。PN40法(fa)蘭(lan)(lan)盤型(xing)式見(jian)圖(tu)6-40，尺(chi)(chi)寸(cun)見(jian)表6-45。...

球墨鑄鐵盤接管件結構型式與尺寸

球墨(mo)鑄鐵(tie)盤(pan)接管件結構(gou)型(xing)式(shi)與(yu)尺寸有(you)以下(xia)幾種：雙盤(pan)90°（1/4）彎管型(xing)式(shi)見(jian)(jian)圖(tu)6-34a），尺寸見(jian)(jian)表(biao)6-32。雙盤(pan)90°（1/4）地腳彎管型(xing)式(shi)見(jian)(jian)圖(tu)6-34b），尺寸見(jian)(jian)表(biao)6-32。雙盤(pan)45°（1/8）彎管型(xing)式(shi)見(jian)(jian)圖(tu)6-35，尺寸見(jian)(jian)表(biao)6-33。全盤(pan)三通型(xing)式(shi)見(jian)(jian)圖(tu)6-36，尺寸見(jian)(jian)表(biao)6-34。雙...

球墨鑄鐵承接管件結構型式與尺寸

球墨鑄鐵承(cheng)接管(guan)件結(jie)構型(xing)(xing)式與尺(chi)(chi)寸如下：盤(pan)承(cheng)套管(guan)型(xing)(xing)式見(jian)(jian)(jian)圖(tu)(tu)6-19a），尺(chi)(chi)寸見(jian)(jian)(jian)表(biao)(biao)(biao)6-19；盤(pan)承(cheng)短管(guan)型(xing)(xing)式見(jian)(jian)(jian)圖(tu)(tu)6-19b），尺(chi)(chi)寸見(jian)(jian)(jian)表(biao)(biao)(biao)6-19。盤(pan)插(cha)型(xing)(xing)式見(jian)(jian)(jian)圖(tu)(tu)6-20a），尺(chi)(chi)寸見(jian)(jian)(jian)表(biao)(biao)(biao)6-20；承(cheng)套型(xing)(xing)式見(jian)(jian)(jian)圖(tu)(tu)6-20b），尺(chi)(chi)寸見(jian)(jian)(jian)表(biao)(biao)(biao)6-20；雙承(cheng)和承(cheng)插(cha)90°（1/4）彎管(guan)型(xing)(xing)式見(jian)(jian)(jian)圖(tu)(tu)6-21，尺(chi)(chi)寸見(jian)(jian)(jian)表(biao)(biao)(biao)6-...

球墨鑄鐵管及管件長度與壁厚尺寸

1.長(chang)度(du)(du)(du)a.承(cheng)插直管(guan)(guan)(guan)(guan)(guan)長(chang)度(du)(du)(du) 承(cheng)插直管(guan)(guan)(guan)(guan)(guan)長(chang)度(du)(du)(du)見表(biao)6-17b.法蘭管(guan)(guan)(guan)(guan)(guan)長(chang)度(du)(du)(du) 法蘭管(guan)(guan)(guan)(guan)(guan)長(chang)度(du)(du)(du)見表(biao)6-18c.管(guan)(guan)(guan)(guan)(guan)件(jian)長(chang)度(du)(du)(du) 管(guan)(guan)(guan)(guan)(guan)件(jian)長(chang)度(du)(du)(du)共有(you)兩個(ge)系列(lie)的尺寸(cun)，A系列(lie)及B系列(lie)。B系列(lie)適用于DN450及以下管(guan)(guan)(guan)(guan)(guan)件(jian)（具體的長(chang)度(du)(du)(du)尺寸(cun)見管(guan)(guan)(guan)(guan)(guan)件(jian)的結構型式與尺寸(cun)部(bu)分(fen)）。2.壁厚...

球墨鑄鐵管件接口配套件型式與尺寸

球墨鑄鐵管(guan)(guan)件(jian)(jian)接(jie)(jie)(jie)(jie)口(kou)配(pei)套件(jian)(jian)型(xing)式(shi)(shi)與(yu)尺(chi)寸主要有以下幾種(zhong)：一、接(jie)(jie)(jie)(jie)口(kou)型(xing)式(shi)(shi)與(yu)尺(chi)寸 1. DN40～DN1200T型(xing)接(jie)(jie)(jie)(jie)口(kou)球鐵管(guan)(guan)的型(xing)式(shi)(shi)見(jian)(jian)圖6-2，公稱尺(chi)寸見(jian)(jian)表(biao)6-2；DN1400T型(xing)接(jie)(jie)(jie)(jie)口(kou)球鐵管(guan)(guan)的型(xing)式(shi)(shi)見(jian)(jian)圖6-3，公稱尺(chi)寸見(jian)(jian)表(biao)6-2。 2. K型(xing)接(jie)(jie)(jie)(jie)口(kou)...

球墨鑄鐵管件的分類

用于制造管子(zi)、管件和(he)附(fu)(fu)件的鑄(zhu)鐵，其析出的石墨(mo)(mo)經預處理后(hou)成(cheng)明顯(xian)球(qiu)(qiu)(qiu)狀(zhuang)的稱為球(qiu)(qiu)(qiu)墨(mo)(mo)鑄(zhu)鐵。和(he)灰鑄(zhu)鐵相比，球(qiu)(qiu)(qiu)墨(mo)(mo)鑄(zhu)鐵除(chu)具有(you)較高的抗拉強(qiang)度(du)外，還具有(you)灰鑄(zhu)鐵材(cai)料所不具備的塑性、韌性和(he)低溫沖擊性。球(qiu)(qiu)(qiu)墨(mo)(mo)鑄(zhu)鐵管（以下簡稱球(qiu)(qiu)(qiu)鐵管）、管件和(he)附(fu)(fu)件用途很廣，主要(yao)有(you)：輸送水(shui)（包括飲(yin)用水(shui)、污(wu)水(shui)）管道；...

球墨鑄鐵管分類

用(yong)于制造管子、管件(jian)(jian)和(he)附(fu)件(jian)(jian)的鑄鐵(tie)(tie)，其析出的石墨經(jing)預處(chu)理后成明(ming)顯球(qiu)(qiu)(qiu)狀(zhuang)的稱為球(qiu)(qiu)(qiu)墨鑄鐵(tie)(tie)。和(he)灰鑄鐵(tie)(tie)相比，球(qiu)(qiu)(qiu)墨鑄鐵(tie)(tie)除具(ju)(ju)有(you)(you)較高(gao)的抗拉強度(du)外，還具(ju)(ju)有(you)(you)灰鑄鐵(tie)(tie)材(cai)料所不(bu)具(ju)(ju)備的塑性、韌(ren)性和(he)低(di)溫(wen)沖擊(ji)性。球(qiu)(qiu)(qiu)墨鑄鐵(tie)(tie)管（以下簡稱球(qiu)(qiu)(qiu)鐵(tie)(tie)管）、管件(jian)(jian)和(he)附(fu)件(jian)(jian)用(yong)途很廣，主要(yao)有(you)(you)：輸(shu)送水（包括(kuo)飲用(yong)水、污水）管道；...

排水用灰鑄鐵管及管件材料及技術要求

1.直(zhi)管(guan)及管(guan)件(jian)材(cai)料化學(xue)成(cheng)分(fen) 直(zhi)管(guan)及管(guan)件(jian)的(de)(de)(de)磷含量應(ying)(ying)不大于0.30％，硫含量應(ying)(ying)不大于0.10％。2.力(li)學(xue)性能(neng) 直(zhi)管(guan)及管(guan)件(jian)的(de)(de)(de)抗拉(la)強度應(ying)(ying)不小(xiao)于150MPa。3.工藝性能(neng) 直(zhi)管(guan)應(ying)(ying)進行水(shui)壓(ya)試(shi)驗，其試(shi)驗壓(ya)力(li)為(wei)0.2MPa。管(guan)件(jian)的(de)(de)(de)水(shui)壓(ya)試(shi)驗由(you)供需雙(shuang)方協(xie)商...

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