pvc排水管預(yu)應(ying)力(li)(li)波紋管(guan)它(ta)的耐腐蝕功(gong)能(neng)遠遠優于(yu)金(jin)屬，不怕(pa)酸、堿腐蝕，它(ta)本身不腐蝕，能(neng)有效地保護預(yu)應(ying)力(li)(li)筋不受(shou)腐蝕許多(duo)預(yu)應(ying)力(li)(li)結構承受(shou)著外界嚴峻的影響，如除冰鹽或(huo)(huo)鹽水(shui)。當后張(zhang)構件因為防水(shui)層的崩潰(kui)、微裂縫漏水(shui)和排水(shui)設施(shi)的堵(du)塞或(huo)(huo)失效時，預(yu)應(ying)力(li)(li)筋就會(hui)可能(neng)受(shou)到腐蝕作(zuo)用(yong)。。

屋頂綠化閥門電動裝置來(lai)源：南京(jing)明塑(su)(su)(su)(su)(su)(su)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)業有(you)(you)限公司南京(jing)HDPE雙壁(bi)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南京(jing)HDPE塑(su)(su)(su)(su)(su)(su)鋼(gang)纏(chan)繞管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南京(jing)HDPE雙壁(bi)纏(chan)繞排(pai)水(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南京(jing)HDPE鋼(gang)帶(dai)增強(qiang)螺旋波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南京(jing)排(pai)水(shui)(shui)排(pai)污(wu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南京(jing)高(gao)密度(du)聚乙(yi)烯波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)南京(jing)塑(su)(su)(su)(su)(su)(su)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是一(yi)(yi)種耐腐(fu)蝕、透(tou)水(shui)(shui)流(liu)通性(xing)(xing)(xing)強(qiang)的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)，近些(xie)年來(lai)，塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)使(shi)用越(yue)來(lai)越(yue)廣泛了(le)，與(yu)金(jin)(jin)屬(shu)原料(liao)(liao)的(de)(de)(de)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)比(bi)較(jiao)，塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)不導電，能(neng)(neng)夠(gou)避免(mian)雜散(san)的(de)(de)(de)電流(liu)腐(fu)蝕，除(chu)此(ci)之(zhi)外(wai)，塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)曲折(zhe)性(xing)(xing)(xing)能(neng)(neng)好(hao)，便于施(shi)工(gong)，分(fen)量也輕接下(xia)來(lai)小編要給(gei)大(da)家詳細(xi)介紹塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)特(te)色無妨(fang)一(yi)(yi)起來(lai)看(kan)看(kan)。　　　特(te)色：　　塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)具(ju)有(you)(you)分(fen)量輕、承受(shou)壓力(li)(li)強(qiang)、曲折(zhe)性(xing)(xing)(xing)能(neng)(neng)、便于施(shi)工(gong)等特(te)色。與(yu)其他的(de)(de)(de)排(pai)水(shui)(shui)資(zi)料(liao)(liao)比(bi)較(jiao)，塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)具(ju)有(you)(you)耐腐(fu)蝕性(xing)(xing)(xing)強(qiang)、透(tou)水(shui)(shui)流(liu)通性(xing)(xing)(xing)強(qiang)、性(xing)(xing)(xing)價比(bi)高(gao)的(de)(de)(de)優勢(shi)。　　塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)與(yu)金(jin)(jin)屬(shu)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)比(bi)較(jiao)之(zhi)下(xia)的(de)(de)(de)長處(chu)：　　當(dang)成(cheng)孔(kong)(kong)資(zi)料(liao)(liao)受(shou)到破壞后，漿(jiang)體(ti)是預(yu)(yu)應(ying)(ying)(ying)力(li)(li)混(hun)凝土結(jie)構(gou)(gou)中(zhong)預(yu)(yu)應(ying)(ying)(ying)力(li)(li)鋼(gang)材的(de)(de)(de)最(zui)后一(yi)(yi)道(dao)(dao)防(fang)護屏(ping)障。塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是一(yi)(yi)種新型(xing)成(cheng)孔(kong)(kong)資(zi)料(liao)(liao)，與(yu)金(jin)(jin)屬(shu)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)比(bi)較(jiao)，它(ta)具(ju)有(you)(you)以下(xia)長處(chu)：　　塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)原資(zi)料(liao)(liao)是HDPE。它(ta)的(de)(de)(de)耐腐(fu)蝕性(xing)(xing)(xing)能(neng)(neng)遠(yuan)遠(yuan)優于金(jin)(jin)屬(shu)，不怕酸、堿腐(fu)蝕，它(ta)本身不腐(fu)蝕，能(neng)(neng)有(you)(you)效(xiao)地維(wei)護預(yu)(yu)應(ying)(ying)(ying)力(li)(li)筋(jin)不受(shou)腐(fu)蝕。很多預(yu)(yu)應(ying)(ying)(ying)力(li)(li)結(jie)構(gou)(gou)承受(shou)著外(wai)界(jie)嚴峻的(de)(de)(de)影響，如除(chu)冰鹽或(huo)鹽水(shui)(shui)。當(dang)后張構(gou)(gou)件由于防(fang)水(shui)(shui)層的(de)(de)(de)崩潰、微裂縫(feng)漏水(shui)(shui)和排(pai)水(shui)(shui)設(she)施(shi)的(de)(de)(de)阻塞或(huo)失效(xiao)時，預(yu)(yu)應(ying)(ying)(ying)力(li)(li)筋(jin)就會(hui)或(huo)許(xu)受(shou)到腐(fu)蝕效(xiao)果(guo)。塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)能(neng)(neng)為預(yu)(yu)應(ying)(ying)(ying)力(li)(li)筋(jin)供給(gei)一(yi)(yi)種遠(yuan)遠(yuan)優于金(jin)(jin)屬(shu)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)屏(ping)障維(wei)護效(xiao)果(guo)，能(neng)(neng)避免(mian)有(you)(you)害物質(zhi)穿透(tou)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)的(de)(de)(de)污(wu)染，然后保證了(le)后張預(yu)(yu)應(ying)(ying)(ying)力(li)(li)結(jie)構(gou)(gou)具(ju)有(you)(you)更好(hao)的(de)(de)(de)耐久性(xing)(xing)(xing)，　　同等條(tiao)件下(xia)，SBG（B）塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)預(yu)(yu)留(liu)(liu)孔(kong)(kong)道(dao)(dao)的(de)(de)(de)摩擦(ca)系數(shu)顯著小于金(jin)(jin)屬(shu)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)預(yu)(yu)留(liu)(liu)孔(kong)(kong)道(dao)(dao)的(de)(de)(de)摩擦(ca)系數(shu)，減小了(le)張拉過程(cheng)中(zhong)預(yu)(yu)應(ying)(ying)(ying)力(li)(li)的(de)(de)(de)摩擦(ca)損失。一(yi)(yi)般(ban)地，塑(su)(su)(su)(su)(su)(su)料(liao)(liao)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)摩擦(ca)系數(shu)取0.14，而金(jin)(jin)屬(shu)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)摩擦(ca)系數(shu)取0.25。

焊接波紋管金屬波紋管根據加工形式的不同可分為成形波紋管和焊接波紋管兩種(zhong)形式(shi)控制(zhi)閥上的(de)(de)波(bo)紋(wen)(wen)管(guan)(guan)所起(qi)的(de)(de)作用(yong)只有(you)(you)(you)一(yi)個(ge)(ge)——隔離(li)，主要分三種(zhong)：一(yi)種(zhong)是(shi)防(fang)止閥內(nei)介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)擴散到外界，就(jiu)是(shi)針對閥門(men)內(nei)所流介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)為化(hua)學性質(zhi)(zhi)(zhi)(zhi)(zhi)活潑或有(you)(you)(you)毒有(you)(you)(you)害的(de)(de)氣體、易(yi)揮(hui)發(fa)的(de)(de)液體及珍貴的(de)(de)介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)，例如氯(lv)(lv)氣、硅粉等等。但是(shi)塑(su)料(liao)波(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)應用(yong)受三個(ge)(ge)因素(su)的(de)(de)限(xian)制(zhi)，一(yi)個(ge)(ge)是(shi)閥門(men)所處環(huan)境(jing)的(de)(de)溫(wen)度(du)(du)及介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)溫(wen)度(du)(du)，溫(wen)度(du)(du)太高(gao)輕易(yi)造成(cheng)波(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)老化(hua)變形，所以(yi)它的(de)(de)長期使用(yong)溫(wen)度(du)(du)一(yi)般不(bu)超過180°C，低溫(wen)情況下沒有(you)(you)(you)詳細要求；二是(shi)受管(guan)(guan)道內(nei)壓(ya)(ya)力(li)限(xian)制(zhi)（一(yi)般選擇塑(su)料(liao)波(bo)紋(wen)(wen)管(guan)(guan)的(de)(de)工(gong)況壓(ya)(ya)力(li)不(bu)高(gao)于12公斤），壓(ya)(ya)力(li)過高(gao)則會將閥門(men)內(nei)襯材料(liao)從閥門(men)內(nei)壁(bi)吸出，造成(cheng)閥門(men)堵塞；另一(yi)個(ge)(ge)因素(su)就(jiu)是(shi)介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)化(hua)學性質(zhi)(zhi)(zhi)(zhi)(zhi)，塑(su)料(liao)波(bo)紋(wen)(wen)管(guan)(guan)可應用(yong)在甲(jia)酸、鹽酸、氯(lv)(lv)化(hua)物等強侵(qin)蝕性介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)上，但是(shi)當(dang)介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)是(shi)與其分子(zi)式(shi)相似的(de)(de)介(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)時，就(jiu)會發(fa)生相似相溶，此時不(bu)可應用(yong)，例如四(si)氯(lv)(lv)化(hua)硅。。

鋼帶增強螺旋波紋管哪家專業然后(hou)按(an)試(shi)(shi)(shi)樣(yang)原(yuan)始(shi)橫截面積計算其沖(chong)(chong)擊(ji)強(qiang)度(du)簡(jian)支梁沖(chong)(chong)擊(ji)試(shi)(shi)(shi)驗機操作使用：1、在測(ce)試(shi)(shi)(shi)前根據沖(chong)(chong)擊(ji)能(neng)量的(de)(de)(de)(de)要求更換適(shi)當的(de)(de)(de)(de)鐘(zhong)擺。2、打開電源(yuan)開關設備(bei)、手持(chi)(chi)運營(ying)商擺到一個(ge)空(kong)的(de)(de)(de)(de)（不是(shi)樣(yang)品）檢查是(shi)否被動(dong)撥針(zhen)是(shi)指(zhi)零如果不是(shi)空(kong)指(zhi)針(zhen)的(de)(de)(de)(de)位置應(ying)該(gai)(gai)被調整(zheng)時(shi)、空(kong)指(zhi)針(zhen)為(wei)零。重置電子測(ce)試(shi)(shi)(shi)儀器顯(xian)示數據之(zhi)前調整(zheng)好裝備(bei)。3、撇開擺塊邊緣的(de)(de)(de)(de)軸承間隙對于沖(chong)(chong)擊(ji)試(shi)(shi)(shi)樣(yang)缺口支持(chi)(chi)跨中心例如缺口張力的(de)(de)(de)(de)影響(xiang)。4、按(an)下(xia)ldquo，開始(shi)按(an)鈕促進鐘(zhong)擺在現場設置高且穩定(ding)已裝船(chuan)清(qing)潔(jie)機擺打圈所有的(de)(de)(de)(de)障礙和大(da)的(de)(de)(de)(de)能(neng)量刻(ke)度(du)表盤指(zhi)針(zhen)。5、按(an)下(xia)ldquo，測(ce)試(shi)(shi)(shi)按(an)鈕錘(chui)擊(ji)斷(duan)樣(yang)本鐘(zhong)擺停止了擺動(dong)后(hou)寫下(xia)能(neng)量的(de)(de)(de)(de)影響(xiang)。測(ce)試(shi)(shi)(shi)結束(shu)后(hou)關閉電源(yuan)操作和機電源(yuan)的(de)(de)(de)(de)影響(xiang)把(ba)運營(ying)商回(hui)到的(de)(de)(de)(de)地方(fang)。6、具體的(de)(de)(de)(de)測(ce)試(shi)(shi)(shi)步驟:將沖(chong)(chong)擊(ji)錘(chui)上升到alpha，角（150）固定(ding)在固定(ding)鉤。指(zhi)針(zhen)接近拉桿此(ci)時(shi)指(zhi)針(zhen)應(ying)該(gai)(gai)顯(xian)示150。按(an)固定(ding)鉤使沖(chong)(chong)擊(ji)錘(chui)自由下(xia)落(luo)將樣(yang)本推力。

南京預應力波紋管廠家直銷集PVC管(guan)(guan)(guan)(guan)(guan).提供優質PVC管(guan)(guan)(guan)(guan)(guan)，山東PVC管(guan)(guan)(guan)(guan)(guan)生產(chan)是(shi)著名企業CPVC管(guan)(guan)(guan)(guan)(guan)道：耐高(gao)溫(wen)，熱(re)變形溫(wen)度(du)100℃，優異的(de)(de)耐化學腐蝕法(fa)蘭(lan)螺(luo)紋連(lian)接(jie)接(jie)合，做(zuo)熱(re)水(shui)管(guan)(guan)(guan)(guan)(guan)熱(re)水(shui)管(guan)(guan)(guan)(guan)(guan)。PE管(guan)(guan)(guan)(guan)(guan)：重(zhong)量輕，韌性非常(chang)好，低溫(wen)性能好，無毒，價格(ge)比(bi)(bi)較(jiao)低，耐沖(chong)擊，缺點(dian)是(shi)壓(ya)(ya)(ya)(ya)縮，拉伸強(qiang)度(du)比(bi)(bi)較(jiao)低。連(lian)接(jie)方(fang)式是(shi)熱(re)熔焊接(jie)，法(fa)蘭(lan)螺(luo)紋連(lian)接(jie)。　　3、雙層擠出機(ji)頭：機(ji)頭博(bo)采眾長(chang)，機(ji)頭由(you)于(yu)在高(gao)壓(ya)(ya)(ya)(ya)、高(gao)溫(wen)狀態下連(lian)續(xu)工作，抗震(zhen)支(zhi)架故對機(ji)頭零件(jian)的(de)(de)材(cai)料性能要求(qiu)很高(gao)。　　4、無屑切割(ge)機(ji)：是(shi)由(you)導(dao)軌固(gu)定架、移動車架及(ji)回轉總成(cheng)、吸屑機(ji)構等組成(cheng)。切割(ge)鋸(ju)采用液壓(ya)(ya)(ya)(ya)進刀系統，能夠(gou)實現平(ping)穩、高(gao)速切割(ge)。　　HDPE纏繞波紋管(guan)(guan)(guan)(guan)(guan)向試壓(ya)(ya)(ya)(ya)管(guan)(guan)(guan)(guan)(guan)段緩慢注水(shui)，同時將管(guan)(guan)(guan)(guan)(guan)內(nei)空氣排(pai)出，逐步將各(ge)配(pei)水(shui)點(dian)封堵。對采用粘(zhan)結的(de)(de)PE管(guan)(guan)(guan)(guan)(guan)材(cai)管(guan)(guan)(guan)(guan)(guan)道，水(shui)壓(ya)(ya)(ya)(ya)試驗必須在粘(zhan)結安裝完成(cheng)24h后(hou)進行(xing)，防止固(gu)化時間(jian)不(bu)夠(gou)接(jie)口脫開。穩壓(ya)(ya)(ya)(ya)1h無滲漏(lou)現象(xiang)后(hou)，再(zai)補(bu)壓(ya)(ya)(ya)(ya)至規(gui)定的(de)(de)試壓(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)力值(zhi)，15min內(nei)的(de)(de)壓(ya)(ya)(ya)(ya)力降不(bu)超過(guo)0.05mpa為合格(ge)。試驗壓(ya)(ya)(ya)(ya)力值(zhi)是(shi)指PE管(guan)(guan)(guan)(guan)(guan)材(cai)管(guan)(guan)(guan)(guan)(guan)道末端(duan)***點(dian)的(de)(de)壓(ya)(ya)(ya)(ya)力。

當斷(duan)口十分接近試(shi)(shi)件兩頭(tou)，而與(yu)(yu)(yu)其(qi)頭(tou)部(bu)之(zhi)間(jian)隔等于(yu)(yu)(yu)(yu)或小于(yu)(yu)(yu)(yu)直(zhi)徑(jing)的(de)兩倍時，拉力(li)(li)(li)(li)機(ji)(ji)(ji)普(pu)通以為實(shi)行后果無效，需求(qiu)重(zhong)作(zuo)實(shi)行拉力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)拉力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)拉力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)測(ce)試(shi)(shi)材料(liao)的(de)四(si)大(da)方法步驟(zou)_拉力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)JG3050-7電(dian)(dian)工(gong)(gong)套管(guan)(guan)壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)一、電(dian)(dian)工(gong)(gong)套管(guan)(guan)壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)前言：本(ben)(ben)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)適用(yong)于(yu)(yu)(yu)(yu)多種塑料(liao)管(guan)(guan)、塑料(liao)波紋管(guan)(guan)等作(zuo)壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)，一個緩慢(man)增(zeng)大(da)的(de)力(li)(li)(li)(li)后，由大(da)量(liang)(liang)程面分表測(ce)量(liang)(liang)試(shi)(shi)樣壓(ya)(ya)扃處外徑(jing)的(de)變(bian)化(hua)，并(bing)檢查試(shi)(shi)樣的(de)力(li)(li)(li)(li)學性能。符合GB/T14823.2《電(dian)(dian)氣安(an)裝(zhuang)用(yong)導管(guan)(guan)特殊要(yao)求(qiu)mdash，剛性絕(jue)緣(yuan)材料(liao)平導管(guan)(guan)》、JG/T3050《建筑用(yong)絕(jue)緣(yuan)電(dian)(dian)工(gong)(gong)導管(guan)(guan)及(ji)(ji)配件》及(ji)(ji)ZBG33008《聚乙稀塑料(liao)波紋電(dian)(dian)線管(guan)(guan)》等要(yao)求(qiu)。本(ben)(ben)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)與(yu)(yu)(yu)其(qi)它拉壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)相(xiang)比，具有(you)壓(ya)(ya)力(li)(li)(li)(li)恒定(ding)、外徑(jing)變(bian)化(hua)能得(de)到測(ce)量(liang)(liang)、操作(zuo)方便、直(zhi)觀可(ke)靠等特點(dian)。因此(ci)，應用(yong)愈來愈廣泛。二、電(dian)(dian)工(gong)(gong)套管(guan)(guan)壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)技(ji)術參數：1、zui大(da)壓(ya)(ya)力(li)(li)(li)(li)：5000N2、配套砝(fa)碼：1250N（共9件）3、壓(ya)(ya)力(li)(li)(li)(li)度(du)：plusmn，1%4、壓(ya)(ya)頭(tou)規格：50times，50mm5、管(guan)(guan)徑(jing)變(bian)化(hua)測(ce)量(liang)(liang)范(fan)圍：0-3mm6、測(ce)量(liang)(liang)精度(du)：0.01mm7、升(sheng)降平板尺寸：252times，240mm8、升(sheng)降范(fan)圍：90mm9、外形尺寸：726times，340times，545mm10、重(zhong)量(liang)(liang)：70Kg三、電(dian)(dian)工(gong)(gong)套管(guan)(guan)壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)結構：試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)由底(di)(di)座、杠(gang)(gang)桿(gan)(gan)機(ji)(ji)(ji)構、千斤(jin)頂(ding)及(ji)(ji)百分表變(bian)形測(ce)量(liang)(liang)裝(zhuang)置(zhi)等組成。四(si)、電(dian)(dian)工(gong)(gong)套管(guan)(guan)壓(ya)(ya)力(li)(li)(li)(li)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)安(an)裝(zhuang)與(yu)(yu)(yu)使(shi)用(yong)：1、松開綁(bang)扎物，將(jiang)試(shi)(shi)驗(yan)(yan)(yan)機(ji)(ji)(ji)表面擦(ca)拭干凈，在(zai)(zai)運動部(bu)位(wei)重(zhong)新注入稀油。2、安(an)裝(zhuang)并(bing)調(diao)(diao)節(jie)底(di)(di)座螺栓，使(shi)底(di)(di)座基本(ben)(ben)水平，并(bing)使(shi)升(sheng)降平板處于(yu)(yu)(yu)(yu)zui低點(dian)。3、將(jiang)掛鉤(gou)座掛在(zai)(zai)杠(gang)(gang)桿(gan)(gan)上(shang)(shang)，調(diao)(diao)節(jie)平衡絲桿(gan)(gan)來移(yi)動平衡錘，使(shi)杠(gang)(gang)桿(gan)(gan)水平。4、運輸過程中，砝(fa)碼盤與(yu)(yu)(yu)掛鉤(gou)可(ke)能是分開的(de)，請將(jiang)掛鉤(gou)擰入砝(fa)碼盤，將(jiang)掛鉤(gou)掛在(zai)(zai)掛鉤(gou)座上(shang)(shang)，使(shi)杠(gang)(gang)桿(gan)(gan)落在(zai)(zai)杠(gang)(gang)桿(gan)(gan)支(zhi)承(cheng)上(shang)(shang)，調(diao)(diao)節(jie)杠(gang)(gang)桿(gan)(gan)支(zhi)承(cheng)高度(du)，使(shi)加承(cheng)不與(yu)(yu)(yu)壓(ya)(ya)頭(tou)頂(ding)部(bu)接觸。5、根據不同(tong)類型的(de)導管(guan)(guan)，加上(shang)(shang)規定(ding)的(de)砝(fa)碼（含掛鉤(gou)盤）。

pvc接(jie)(jie)頭(tou)(tou)和pvc管(guan)(guan)(guan)(guan)(guan)子(zi)接(jie)(jie)頭(tou)(tou)有啥區(qu)別(bie)，管(guan)(guan)(guan)(guan)(guan)道(dao)接(jie)(jie)頭(tou)(tou)廠家(jia)給(gei)您(nin)介紹一下:PVC接(jie)(jie)頭(tou)(tou)就是(shi)(shi)(shi)PVC材(cai)料(liao)(liao)的(de)接(jie)(jie)頭(tou)(tou)，而PVC管(guan)(guan)(guan)(guan)(guan)接(jie)(jie)頭(tou)(tou)就是(shi)(shi)(shi)指PVC管(guan)(guan)(guan)(guan)(guan)件的(de)接(jie)(jie)頭(tou)(tou)兩者都屬(shu)于PVC材(cai)料(liao)(liao)，但是(shi)(shi)(shi)PVC接(jie)(jie)頭(tou)(tou)包括PVC管(guan)(guan)(guan)(guan)(guan)接(jie)(jie)頭(tou)(tou)，而PVC管(guan)(guan)(guan)(guan)(guan)接(jie)(jie)頭(tou)(tou)屬(shu)于PVC接(jie)(jie)頭(tou)(tou)的(de)一部分。PVC其(qi)實是(shi)(shi)(shi)一種(zhong)乙烯基(ji)的(de)聚合物質(zhi)，其(qi)材(cai)料(liao)(liao)是(shi)(shi)(shi)一種(zhong)非結晶性(xing)材(cai)料(liao)(liao)。PVC材(cai)料(liao)(liao)在(zai)實際(ji)使用(yong)中(zhong)經常加入穩定劑、潤滑劑、輔助加工劑、色(se)料(liao)(liao)、抗沖擊(ji)劑及其(qi)它(ta)添加劑。具有不(bu)易(yi)燃性(xing)、高強度、耐氣侯變化性(xing)以及優良的(de)幾何(he)穩定性(xing)。PVC對氧化劑、還(huan)原劑和強酸都有很強的(de)抵抗力(li)。PVC接(jie)(jie)頭(tou)(tou)就是(shi)(shi)(shi)PVC材(cai)質(zhi)的(de)接(jie)(jie)頭(tou)(tou)，這個只能是(shi)(shi)(shi)PVC材(cai)質(zhi)的(de)；2、PVC管(guan)(guan)(guan)(guan)(guan)接(jie)(jie)頭(tou)(tou)說明是(shi)(shi)(shi)PVC管(guan)(guan)(guan)(guan)(guan)件的(de)接(jie)(jie)頭(tou)(tou)，PVC管(guan)(guan)(guan)(guan)(guan)件可以根(gen)據(ju)不(bu)同用(yong)途而選(xuan)擇不(bu)同材(cai)質(zhi)的(de)接(jie)(jie)頭(tou)(tou)。兩者之間本來(lai)就沒有在(zai)一起比較的(de)必(bi)要pvc穿線(xian)管(guan)(guan)(guan)(guan)(guan)規(gui)格：一、金屬(shu)管(guan)(guan)(guan)(guan)(guan)類(lei)1、普通碳(tan)素鋼電(dian)線(xian)套管(guan)(guan)(guan)(guan)(guan)（電(dian)線(xian)管(guan)(guan)(guan)(guan)(guan)）。2、金屬(shu)蛇(she)皮管(guan)(guan)(guan)(guan)(guan)（鍍鋅蛇(she)皮管(guan)(guan)(guan)(guan)(guan)、包塑(su)金屬(shu)蛇(she)皮管(guan)(guan)(guan)(guan)(guan)、不(bu)銹鋼蛇(she)皮管(guan)(guan)(guan)(guan)(guan)）。二、塑(su)料(liao)(liao)管(guan)(guan)(guan)(guan)(guan)類(lei)1、PVC（PVC-U）塑(su)料(liao)(liao)電(dian)線(xian)管(guan)(guan)(guan)(guan)(guan)（硬管(guan)(guan)(guan)(guan)(guan)）。2、PE穿線(xian)管(guan)(guan)(guan)(guan)(guan)（成卷軟管(guan)(guan)(guan)(guan)(guan)）。