水(shui)(shui)壓(ya)(ya)(ya)試(shi)驗(yan)1、PE管(guan)(guan)(guan)道試(shi)壓(ya)(ya)(ya)前應進(jin)行(xing)(xing)充(chong)水(shui)(shui)浸泡，pe管(guan)(guan)(guan)材(cai)現貨(huo)，時間不(bu)(bu)少(shao)于12h。2、水(shui)(shui)壓(ya)(ya)(ya)試(shi)驗(yan)的(de)(de)靜(jing)水(shui)(shui)壓(ya)(ya)(ya)力(li)不(bu)(bu)應小于管(guan)(guan)(guan)道工作(zuo)壓(ya)(ya)(ya)力(li)的(de)(de)1.5倍，且試(shi)驗(yan)壓(ya)(ya)(ya)力(li)不(bu)(bu)應低(di)(di)于0.80MPa，不(bu)(bu)得(de)氣壓(ya)(ya)(ya)試(shi)驗(yan)代(dai)替水(shui)(shui)壓(ya)(ya)(ya)試(shi)驗(yan)。 [2] 3、水(shui)(shui)壓(ya)(ya)(ya)試(shi)驗(yan)的(de)(de)長度(du)不(bu)(bu)宜(yi)大于1000米(mi)，對(dui)中間設(she)有附件的(de)(de)管(guan)(guan)(guan)段(duan)，水(shui)(shui)壓(ya)(ya)(ya)試(shi)驗(yan)分(fen)段(duan)長度(du)不(bu)(bu)宜(yi)大于500米(mi)。系統(tong)(tong)中有不(bu)(bu)同材(cai)質的(de)(de)管(guan)(guan)(guan)道應分(fen)別進(jin)行(xing)(xing)試(shi)壓(ya)(ya)(ya)。4、對(dui)試(shi)壓(ya)(ya)(ya)管(guan)(guan)(guan)段(duan)端頭支撐擋板(ban)應進(jin)行(xing)(xing)牢固性和可靠性檢查，試(shi)壓(ya)(ya)(ya)時，其(qi)支撐設(she)施嚴禁松動崩脫(tuo)。不(bu)(bu)得(de)將閥門作(zuo)為(wei)封板(ban)。5、加壓(ya)(ya)(ya)宜(yi)采用帶計量裝(zhuang)置的(de)(de)機械設(she)備(bei)，pe管(guan)(guan)(guan)材(cai)廠(chang)價，當采用彈簧(huang)壓(ya)(ya)(ya)力(li)表時，其(qi)精度(du)不(bu)(bu)應低(di)(di)于1.5級，量程(cheng)范圍宜(yi)為(wei)試(shi)驗(yan)壓(ya)(ya)(ya)力(li)1.3-1.5倍，表盤直徑(jing)不(bu)(bu)應小于150mm。6、試(shi)壓(ya)(ya)(ya)管(guan)(guan)(guan)段(duan)不(bu)(bu)得(de)包括水(shui)(shui)錘消除器(qi)，室(shi)外(wai)消火栓等(deng)管(guan)(guan)(guan)道附件系統(tong)(tong)包含的(de)(de)各類閥門，應處于全(quan)開(kai)狀態。

分類

按生產方法（1）無縫(feng)管(guan)(guan)(guan)(guan)(guan)——熱軋管(guan)(guan)(guan)(guan)(guan)、冷軋管(guan)(guan)(guan)(guan)(guan)、冷拔管(guan)(guan)(guan)(guan)(guan)、擠壓管(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)。（2）焊(han)(han)管(guan)(guan)(guan)(guan)(guan)。（a）按工藝分(fen)——電弧焊(han)(han)管(guan)(guan)(guan)(guan)(guan)、電阻焊(han)(han)管(guan)(guan)(guan)(guan)(guan)（高頻、低頻）、氣(qi)焊(han)(han)管(guan)(guan)(guan)(guan)(guan)、爐焊(han)(han)管(guan)(guan)(guan)(guan)(guan)。（b）按焊(han)(han)縫(feng)分(fen)——直縫(feng)焊(han)(han)管(guan)(guan)(guan)(guan)(guan)、螺旋焊(han)(han)管(guan)(guan)(guan)(guan)(guan)。按斷面(mian)(mian)形(xing)(xing)(xing)(xing)狀(zhuang)（1）簡單斷面(mian)(mian)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)——圓(yuan)形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、方形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、橢圓(yuan)形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、三角形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、六角形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、菱形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、八角形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、半圓(yuan)形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)圓(yuan)、其他。（2）復雜斷面(mian)(mian)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)——不(bu)等邊六角形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、五瓣梅花形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、雙(shuang)凸形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、雙(shuang)凹形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、瓜子形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、圓(yuan)錐形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、波紋(wen)形(xing)(xing)(xing)(xing)鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)、表殼鋼(gang)(gang)(gang)管(guan)(guan)(guan)(guan)(guan)等。

云南潤農(nong)農(nong)業節(jie)水灌溉(gai)有限公司(si)主要生(sheng)產銷售節(jie)水灌溉(gai)，pe管(guan)材(cai)(cai)采購，微噴，微灌，迪慶pe管(guan)材(cai)(cai)，塑料管(guan)材(cai)(cai)，施肥器等，我們有技術(shu)團隊，完善的(de)服(fu)務(wu)體系，歡(huan)迎新老客戶來電(dian)咨詢！

注射-吹(chui)塑通常用(yong)于(yu)制造更小(xiao)的(de)容器（小(xiao)于(yu)16oz），用(yong)于(yu)包裝(zhuang)藥品(pin)、洗發液和(he)化(hua)妝品(pin)。這種加工過程(cheng)的(de)一(yi)個優點是生產(chan)瓶(ping)子自動(dong)(dong)去邊角，不(bu)需象一(yi)般吹(chui)塑加工那(nei)樣的(de)后期修(xiu)整步驟。盡(jin)管(guan)有某些窄(zhai)MWD品(pin)級(ji)(ji)用(yong)于(yu)改(gai)進表面光潔度，一(yi)般使用(yong)中寬到寬MWD品(pin)級(ji)(ji)。▲注塑：HDPE有數(shu)不(bu)清(qing)的(de)應用(yong)，范圍(wei)從可(ke)重復(fu)使用(yong)的(de)薄壁飲料(liao)杯到5－gsl罐，消費國內生產(chan)的(de)HDPE的(de)1/5。注塑品(pin)級(ji)(ji)一(yi)般熔體(ti)指數(shu)5～10，有具有韌性(xing)(xing)較(jiao)低流動(dong)(dong)性(xing)(xing)品(pin)級(ji)(ji)和(he)具有可(ke)加工性(xing)(xing)的(de)較(jiao)高流動(dong)(dong)性(xing)(xing)品(pin)級(ji)(ji)。用(yong)途(tu)包括日(ri)用(yong)品(pin)和(he)食品(pin)薄壁包裝(zhuang)物；有韌性(xing)(xing)、耐用(yong)的(de)食品(pin)和(he)涂料(liao)罐；高抗環境(jing)應力開裂應用(yong)，如(ru)小(xiao)型發動(dong)(dong)機燃料(liao)箱和(he)90－gal垃圾罐。