¥來(lái)電咨詢
¥來(lái)電咨詢
¥來(lái)電咨詢
ppr管格與管件連接端面必須清潔、干燥、無(wú)油。
用卡尺和合適的筆在管端測(cè)量并標(biāo)繪出熱熔-,熱熔-應(yīng)符合下表規(guī)定:
熔接彎頭或三通時(shí),按設(shè)計(jì)圖紙要求應(yīng)注意其方向,在管件和管材的直線方向上,用輔助標(biāo)志標(biāo)出其位置。
the connecting end face of ppr pipe lattice&pipe fittings must be clean, dry&oil-free.
measure&plot the hot melt profundity at the pipe end with a caliper&a suitable pen. the hot melt profundity shall meet the requirements of the following table:
when welding elbows/tees, the direction could be noted according to the requirements of design drawings,&the place shall be marked with auxiliary marks in the straight direction of pipe fittings&pipes.
現(xiàn)在,一些小的賓館或一些建筑物的部分商業(yè)、辦公區(qū)域也需要用到采暖和生活熱水,他們的熱負(fù)荷或生活熱水用量要比家庭大許多(即并聯(lián)安裝若干臺(tái)燃?xì)獗趻鞝t);因此熱水管的管徑比較大,在與集分水器、隔離罐、控制附件等連接時(shí)需要用到法蘭連接。
now, some small hotels/some commer-l&office areas of some buildings also need heating&domestic hot water,&their heat load/domestic hot water cost is much larger than that of families (that is, several gas-fired wall mounted boilers are installed in parallel); therefore, the diameter of the hot water pipe is relatively large,&flange connection is needed when connecting with the water distributor, isolation tank,購(gòu)ppr管件, control accessories,ppr管件品牌, etc.
ppr管為什么會(huì)有低溫脆性的特點(diǎn)?它是由單體和少量乙烯單體在加熱、加壓和催化劑作用下無(wú)規(guī)共聚得到的。乙烯單體隨機(jī)地分布到長(zhǎng)鏈中,閔行區(qū)ppr管件,其中乙烯單體一般控制在3-5%之間。乙烯含量和乙烯與的聚合方式?jīng)Q定了其具有低溫脆性的特點(diǎn)。
why does ppr pipe have the characteristics of low temperature brittleness? it is obtained by random copolymerization of monomer&a small amount of ethylene monomer under heating, pressure&catalyst. ethylene monomer is randomly distributed in long chain,ðylene monomer is generally controlled between 3-5%. the content of ethylene&the polymerization of ethylene determine its low temperature brittleness.
北京
上海
天津
重慶
河北
山西
內(nèi)蒙古
遼寧
吉林
黑龍江
江蘇
浙江
安徽
福建
江西
山東
河南
湖北
湖南
廣東
廣西
海南
四川
貴州
云南
西藏
陜西
甘肅
青海
寧夏
新疆
本站圖片和信息均為用戶自行發(fā)布,用戶上傳發(fā)布的圖片或文章如侵犯了您的合法權(quán)益,請(qǐng)與我們聯(lián)系,我們將及時(shí)處理,共同維護(hù)誠(chéng)信公平網(wǎng)絡(luò)環(huán)境!
ICP備案:滇ICP備13003982號(hào) 滇公網(wǎng)安備 53011202000392號(hào) 信息侵權(quán)/舉報(bào)/投訴處理
版權(quán)所有 ©100招商網(wǎng) 防騙須知 緩存時(shí)間:2025/1/9 18:07:41