環(huán)壓式不銹鋼管國家標(biāo)準(zhǔn)對(duì)家裝不銹鋼水管運(yùn)用的貢獻(xiàn)
發(fā)布時(shí)間：2018-07-23 瀏覽次數(shù)：2049
<p style="margin: 0px; text-align: center; text-indent: 0pt;"><span style="margin: 0px; font-family: 宋體; font-size: 16pt;"><span style="font-family: 宋體;">環(huán)壓式不銹鋼管國家標(biāo)準(zhǔn)對(duì)家裝不銹鋼水管運(yùn)用的貢獻(xiàn)</span></span><span style="margin: 0px; font-family: 黑體; font-size: 10.5pt;"> </span></p>
<p style="margin: 0px; text-align: center; text-indent: 0pt;"><span style="margin: 0px; font-family: 宋體; font-size: 10.5pt;"> </span></p>
<p style="margin: 0px; text-align: justify; text-justify: inter-ideograph;"><span style="margin: 0px; font-family: 黑體; font-size: 10.5pt;"><span style="font-family: 黑體;">摘要：</span></span><span style="margin: 0px; color: #000000; font-family: 黑體; font-size: 10.5pt;"><span style="font-family: 黑體;">環(huán)壓式不銹鋼管</span>GB/T 33926-2017標(biāo)準(zhǔn)是按照GB/T 1.1-2009給出的規(guī)則進(jìn)行首次起草，本文介紹了環(huán)壓式連接，采標(biāo)情況以及主要內(nèi)容及對(duì)國內(nèi)迅速興起的家裝不銹鋼水管家用不銹鋼水管的運(yùn)用作出的貢獻(xiàn)進(jìn)行了詳述。</span></p>
<p style="margin: 0px; text-align: justify; text-justify: inter-ideograph;"><span style="margin: 0px; font-family: 黑體; font-size: 10.5pt;"><span style="font-family: 黑體;">關(guān)鍵字：不銹鋼環(huán)壓式管件；標(biāo)準(zhǔn)；綜述；家裝不銹鋼水管；家用不銹鋼水管。</span></span></p>
<p style="margin: 0px;"><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="margin: 0px;">1.</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="font-family: 黑體;">環(huán)壓式</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="font-family: 黑體;">不銹鋼管</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="font-family: 黑體;">連接介紹</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">環(huán)壓式連接是在管件承插口處設(shè)置寬帶密封圈，采用專用環(huán)壓工具鉗壓承口部位后斷面呈環(huán)狀壓縮緊固密封的擠壓式連接方式。</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">環(huán)壓管道主要應(yīng)用領(lǐng)域在氣體輸送，如天然氣、壓縮空氣、醫(yī)療氣體等，以及給水輸送，如自來水、直飲水等。</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">在環(huán)壓操作過程中，無需動(dòng)用焊接和大型設(shè)備。先使用割刀斷管，再將環(huán)壓管件、密封圈和管材組合，通過使用手動(dòng)液壓泵或電動(dòng)工具，將管件壓接成型。壓接成型后的環(huán)壓連接管件有兩個(gè)壓縮環(huán)：密封環(huán)和鎖緊環(huán)。其中密封環(huán)確保連接密封性能，鎖緊環(huán)提供連接抗拉阻力。兩環(huán)之間的部分被稱為密封腔，通過收縮和擠壓，原來的帶狀密封圈已經(jīng)緊貼密封腔內(nèi)壁形成填充式密封。因此整個(gè)連接形成較為寬泛的密封范圍，較密封圈的密封可靠性更高。各項(xiàng)試驗(yàn)性能均能滿足</span>GB/T 12771、DVGW W534、GB/T 19228.1的相關(guān)要求。</span></p>
<p style="margin: 0px;"><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="margin: 0px;">2.</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="font-family: 黑體;">標(biāo)準(zhǔn)采標(biāo)情況</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">目前與之相應(yīng)比較完善的現(xiàn)有相關(guān)國際標(biāo)準(zhǔn)或國外先進(jìn)標(biāo)準(zhǔn)有</span>DVGWW534：1995飲水裝置中的管接頭，JWWA G116：2001供水管道用不銹鋼管接頭。國內(nèi)標(biāo)準(zhǔn)有GB/T 19228.1不銹鋼卡壓式管件組 第1部分 不銹鋼卡壓式管件。 </span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">基于目前國內(nèi)制造廠和用戶的使用情況，綜合對(duì)比分析我國標(biāo)準(zhǔn)與上述標(biāo)準(zhǔn)在標(biāo)準(zhǔn)結(jié)構(gòu)、技術(shù)內(nèi)容等方面的異同點(diǎn)，結(jié)合我國目前不銹鋼焊接鋼管的生產(chǎn)以及設(shè)計(jì)、使用單位的現(xiàn)狀，確立本標(biāo)準(zhǔn)主要參照</span>DVGW W534及GB/T 19228.1制定，同時(shí)，本標(biāo)準(zhǔn)中的技術(shù)內(nèi)容也參考了上述其他標(biāo)準(zhǔn)。</span></p>
<p style="margin: 0px;"><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="margin: 0px;">3.</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="font-family: 黑體;">標(biāo)準(zhǔn)的主要內(nèi)容說明</span> </span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">3.1</span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"> <span style="font-family: 宋體;">范圍</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">該標(biāo)準(zhǔn)適用于公稱尺寸不大于</span>DN150、公稱壓力不大于PN25的飲用凈水、生活飲用水、冷水、熱水、海水和消防，公稱壓力不大于PN16的醫(yī)用氣體、負(fù)壓、壓縮空氣和虹吸排水，和公稱壓力不大于PN4的燃?xì)獾炔讳P鋼管道連接用環(huán)壓式管件的設(shè)計(jì)、制造和驗(yàn)收。</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">3</span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">.2 規(guī)范性引用文件 </span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">規(guī)范性引用文件按照國家標(biāo)準(zhǔn)的統(tǒng)一導(dǎo)語，并根據(jù)被引用標(biāo)準(zhǔn)的情況，對(duì)所引用的標(biāo)準(zhǔn)采用不注日期引用。</span> </span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">3</span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">.3 術(shù)語和定義</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">對(duì)環(huán)壓式連接和熱水進(jìn)行了定義。</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">3</span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">.4 分類和標(biāo)記</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">分類和標(biāo)記部分參照同類國家標(biāo)準(zhǔn)</span>GB/T 19228.1的方式進(jìn)行編制，同時(shí)根據(jù)環(huán)壓適用范圍將管道公稱壓力分為PN16和PN25，并在標(biāo)記與標(biāo)志中予以體現(xiàn)。</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">3</span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">.5結(jié)構(gòu)形式與尺寸</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">尺寸系列是在</span>GB/T 21835—2008選擇，同時(shí)符合YB/T 4204—2009《供水用不銹鋼焊接鋼管》和YB/T 4370—2014《城鎮(zhèn)燃?xì)廨斔陀貌讳P鋼焊接鋼管》的規(guī)定。</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">其結(jié)構(gòu)形式是按照管件的特點(diǎn)進(jìn)行確定，其中壁厚按公稱壓力等級(jí)進(jìn)行了區(qū)分。管件、密封圈外型尺寸參考目前市面上成熟的、達(dá)到安裝使用要求的環(huán)壓管件尺寸確定。</span></span></p>
<p style="margin: 0px;"><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="margin: 0px;">4.</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="font-family: 黑體;">性能要求</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">性能要求主要為</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">密封</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">性能</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">、</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">連接性能</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">、衛(wèi)生要求以及連接與安裝。</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">密封</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">性能為水壓性能和氣密性能。水壓性能的壓力值是按額定工作壓力的</span>1.5倍確定的。氣密性能的壓力值是參考GB/T 19228.1確定的?？紤]到本標(biāo)準(zhǔn)規(guī)定的管件工作壓力的因素將氣密性能試驗(yàn)壓力統(tǒng)一定為1.05MPa.</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">管件的連接性能要求基本采用</span>DVGW W534規(guī)定的項(xiàng)目進(jìn)行。包括耐壓試驗(yàn)、負(fù)壓試驗(yàn)、拉拔試驗(yàn)、溫度變化（冷熱水循環(huán)）試驗(yàn)、交變彎曲試驗(yàn)、振動(dòng)應(yīng)變?cè)囼?yàn)和壓力沖擊（波動(dòng)）試驗(yàn)。以上試驗(yàn)過程中，管件應(yīng)無滲漏、脫落和塑性變形。</span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-indent: 24pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">衛(wèi)生要求符合</span></span><span style="margin: 0px; color: #000000; font-family: Calibri; font-size: 12pt;">GB/T</span><span style="margin: 0px; color: #000000; letter-spacing: -2.65pt; font-family: 宋體; font-size: 12pt;"> </span><span style="margin: 0px; color: #000000; font-family: Calibri; font-size: 12pt;">17219</span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">的規(guī)定。連接與安裝符合</span>GB/T</span><span style="margin: 0px; color: #000000; letter-spacing: -2pt; font-family: 宋體; font-size: 12pt;"> </span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;">29038<span style="font-family: 宋體;">等相關(guān)標(biāo)準(zhǔn)或規(guī)范的規(guī)定。</span></span></p>
<p style="margin: 0px;"><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"><span style="margin: 0px;">5.</span></span><span style="margin: 0px; font-family: 黑體; font-size: 12pt;"> <span style="font-family: 黑體;">總結(jié)</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"> <span style="font-family: 宋體;">目前我國不銹鋼管道行業(yè)發(fā)展迅猛，環(huán)壓連接技術(shù)作為一種</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">安裝方便、密封性能好、可靠高的</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">連接技術(shù)，已經(jīng)大量運(yùn)用于供水燃?xì)獾裙艿拦こ坍?dāng)中?！恫讳P鋼環(huán)壓式管件》標(biāo)準(zhǔn)的實(shí)施，無疑對(duì)整個(gè)行業(yè)來講，</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">尤其是家庭家裝不銹鋼水管家用不銹鋼水管的興起，</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">能起到更好的指導(dǎo)意義，而且該標(biāo)準(zhǔn)中相關(guān)性能要求已經(jīng)達(dá)到了或者優(yōu)于國外同類產(chǎn)品標(biāo)準(zhǔn)的先進(jìn)水平。</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"> <span style="font-family: 宋體;">當(dāng)然，技術(shù)力量要不斷的向前發(fā)展，該標(biāo)準(zhǔn)也會(huì)在工程實(shí)踐過程中進(jìn)一步檢驗(yàn)和更新，為推動(dòng)我國不銹鋼管道行業(yè)</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">尤其是家庭家裝不銹鋼水管家用不銹鋼水管</span></span><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;">的產(chǎn)品設(shè)計(jì)、制造和安裝的技術(shù)進(jìn)步做出貢獻(xiàn)。</span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;"><img alt="" style="background-color: transparent; border-image-outset: 0; border-image-repeat: stretch; border-image-slice: 100%; border-image-source: none; border-image-width: 1; color: #000000; font-family: 宋體; font-size: 21.33px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: center; text-decoration: none; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; border: 0px none #000000;" src="/upfile/2018/08/20180819223340_205.jpg" width="132" height="43" /><strong> </strong><em> </em><br /></span></span></p>
<p style="margin: 16px 0px; text-align: justify; line-height: 23pt; text-justify: inter-ideograph;"><span style="margin: 0px; color: #000000; font-family: 宋體; font-size: 12pt;"><span style="font-family: 宋體;"><strong> </strong><em></em><br /></span></span></p>
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