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class="p14-infocontent-1-tit">pvc塑料通風(fēng)管特點(diǎn)便于焊接銜接</h1> <div id="ozjua8vr6yq6" class="p14-infocontent-1-sour"> <span> 作者：admin </span> <span> 編輯：admin </span> <span> 來(lái)源：未知 </span> <span> 2022-11-30 17:01 </span> </div> <div id="ozjua8vr6yq6" class="p14-infocontent-1-desc endit-content"><p> <div> pvc塑料通風(fēng)管***點(diǎn)便于焊接銜接</div> <div> </div> <div> <a href="http://m.58812.cn/"><strong>pvc塑料通風(fēng)管</strong></a>***點(diǎn)明顯，廣泛適用于建筑物室內(nèi)冷熱水供給體系及采暖體系。不銹蝕可在很***的溫度范圍內(nèi)接受PH值，范圍在1～14的高濃度的酸和堿的腐蝕。耐磨損、不結(jié)垢，pvc塑料通風(fēng)管及管件內(nèi)壁均勻潤(rùn)滑，活動(dòng)阻力小并且不結(jié)垢。減小振蕩和噪聲具有***的隔聲功能，可明顯削減由液體活動(dòng)引起的振蕩和噪聲。防凍裂，PP資料彈性***使得管材和管件截面可隨著凍脹的液體一同膨脹而不會(huì)脹裂。防結(jié)露，熱損失少，PP資料為不***熱導(dǎo)體，可削減結(jié)露現(xiàn)象并削減熱損少。重量輕，裝置操作便利，并且具有可焊性。</div> <div> pvc塑料通風(fēng)管運(yùn)用壽數(shù)長(zhǎng)，pvc塑料通風(fēng)管體系在規(guī)定的運(yùn)用條件下壽數(shù)達(dá)50年。在裝置pvc塑料通風(fēng)管時(shí)，應(yīng)考慮環(huán)境溫度對(duì)裝置質(zhì)量的影響，一般氣溫高于40℃或低于0℃時(shí)，不宜施工裝置。因?yàn)閜vc塑料通風(fēng)管線膨脹系數(shù)較***，故在裝置時(shí)要考慮熱補(bǔ)償，一般以自然補(bǔ)償為主，如選用方形彈性器。在架空敷設(shè)時(shí)，應(yīng)對(duì)管道選用管托支承，管托可用角鋼、對(duì)剖的鋼管等資料，使增強(qiáng)聚丙烯在管托上能夠自在彈性。pvc塑料通風(fēng)管需要暗設(shè)時(shí)，建議選用管溝敷設(shè)。</div> <div> </div> <div> <img alt="pvc塑料通風(fēng)管" src="/uploads/allimg/221130/1-2211301F154946.jpg" style="width: 500px; height: 281px;" /></div> <div> </div> <div> <strong>pvc塑料通風(fēng)管</strong>一般選用焊接銜接型式，若因***殊原因需要埋地時(shí)，應(yīng)選用套管形式直埋，以避免回填土內(nèi)混有硬雜物，報(bào)壞管子。pvc塑料通風(fēng)管選用法蘭銜接時(shí)，應(yīng)嚴(yán)格對(duì)中，軸向***允許偏差不***于2mm，不得選用強(qiáng)制擰緊螺栓的方法來(lái)調(diào)整，擰緊螺栓分兩次進(jìn)行，次按對(duì)角線均勻?qū)ΨQ地?cái)Q一遍，然再擰緊螺栓。pvc塑料通風(fēng)管運(yùn)到施工現(xiàn)場(chǎng)后，對(duì)照?qǐng)D紙核對(duì)pvc塑料通風(fēng)管風(fēng)口標(biāo)準(zhǔn)尺度，按體系分開堆放并做***標(biāo)識(shí)，以免裝置時(shí)弄錯(cuò)。裝置pvc塑料通風(fēng)管風(fēng)口前要細(xì)心對(duì)風(fēng)口進(jìn)行檢查，看風(fēng)口有無(wú)損壞、表面有無(wú)劃痕等缺陷。</div> <div> 但凡有調(diào)理、旋轉(zhuǎn)部分的風(fēng)口要檢查活動(dòng)件是否靈敏，葉片是否平直，與邊框有無(wú)沖突。對(duì)有過(guò)濾網(wǎng)的可敞開式風(fēng)口，要檢查過(guò)濾網(wǎng)有無(wú)損壞。在裝置風(fēng)口時(shí)，注意pvc塑料通風(fēng)管暗裝時(shí)，吸***裝置的散流器與屋***平齊，風(fēng)口裝置要保證結(jié)實(shí)牢靠，***別彎頭部位一定要做***銜接措施。pvc塑料通風(fēng)管裝置完后能夠試運(yùn)行，待其通風(fēng)無(wú)阻后才可正式運(yùn)用。</div> <br></div> <div id="ozjua8vr6yq6" class="clear"></div> </div> <div id="ozjua8vr6yq6" class="p14-info-3 blk"> <div id="ozjua8vr6yq6" class="p14-info-3-tit"> </div> <div id="ozjua8vr6yq6" 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