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alt="[content:title]" /></a> <a data-slide-index="1" href="/upLoad/product/month_1811/201811041931163291.jpg"><img src="/upLoad/product/month_1811/201811041931163291.jpg" alt="[content:title]" /></a> <a data-slide-index="2" href="/upLoad/product/month_1811/201811041931215516.jpg"><img src="/upLoad/product/month_1811/201811041931215516.jpg" alt="[content:title]" /></a> <a data-slide-index="3" href="/upLoad/product/month_1811/201811041931261643.jpg"><img src="/upLoad/product/month_1811/201811041931261643.jpg" alt="[content:title]" /></a> </div> </div>  <div id="maswo42" class="col-sm-12 col-md-6 proinfo_box"> <h1 class="product_h1">壓力真空釋放閥</h1> <ul class="product_info"> <li><p>　　壓力真空釋放閥適宜布置于儲灰庫頂部，在灰庫進(jìn)氣、排氣超壓和不正常的溫度變化時(shí)，保護儲灰庫不受過(guò)量的正壓和負壓的影響，是灰庫一種必備的保護裝置。</p></li> </ul> </div> <div id="a2k2ki2" class="product_con"> <p>在充氣排氣和不正常的溫度變化時(shí)，保護容器不受過(guò)量的正壓和負壓。</p><p>適用范圍：</p><p> 1）、在容器正常的通氣時(shí)，延遲氣化物的逃逸，以降低有價(jià)值的蒸汽的損失。<br/> 2）、在貯存產(chǎn)品時(shí)，保持惰性氣體密封層。<br/> 3）、在處理因外部熱源引起的內部壓力過(guò)量時(shí)，作為優(yōu)良的二次或備用保險。</p><p>工作原理：</p><p> 1）、靜止位置（密封時(shí)）：<br/> 當貯倉（或灰庫內部壓力維持在閥選定的壓力值內時(shí)，閥蓋保持靜止位置。由于貯倉（或灰庫）內壓力產(chǎn)生一個(gè)力作用于柔性隔膜頂面使隔膜緊密接觸到閥座上，從而達到密封。<br/> 2）、壓力釋放：<br/> 當貯倉壓力增加到閥選定的壓力值時(shí)，倉內壓力克服閥蓋重量，將閥蓋從閥座上舉起，同時(shí)壓力放空，直到貯倉（或灰庫）內部壓力降到與閥所選定的壓力值相同時(shí)，閥蓋再回到正常位置。<br/> 3)、真空釋放：<br/> 當貯倉壓力低于大氣壓力時(shí)，在貯倉（或灰庫）內產(chǎn)生真空。當降到閥定選的真空值時(shí)，由于大氣壓力作用到隔膜上，舉起真空環(huán)道浮云位置，此時(shí)空氣進(jìn)入貯倉。直到貯倉內真空值小于選定值時(shí)，真空環(huán)回到正常位置，靠在隔膜上。</p><p>技術(shù)參數：</p><table cellspacing="0" cellpadding="0" width="787" style="width: 748px;" align="center"><tbody><tr class="firstRow"><td rowspan="2" style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="middle"><p>入口尺寸 (mm)</p></td><td colspan="2" style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>標準透氣值(Pa)</p></td><td colspan="2" style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>最大透氣值(Pa)</p></td><td rowspan="2" style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="middle"><p>使用溫度(℃)</p></td><td rowspan="2" style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="middle"><p>重量(kg)</p></td></tr><tr><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>壓力</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>真空</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>壓力</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>真空</p></td></tr><tr><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>508</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>769</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>220</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>2636</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>880</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>≤80</p></td><td style="padding: 0px; border-width: 1px; border-style: solid;" align="center" valign="top"><p>98</p></td></tr></tbody></table><p><br/></p> </div> <div id="u2wc2iy" class="point"> <span id="w0mqkss" class="to_prev col-xs-12 col-sm-6 col-md-6">上一條：暫無(wú)</span> <span id="kk2q4is" class="to_next col-xs-12 col-sm-6 col-md-6">下一條：暫無(wú)</span> </div> </div> <div id="ggo4cca" class="list_related"> <h2 class="left_h2">相關(guān)產(chǎn)品</h2> <div id="aoumeea" class="product_list related_list"> <div id="ooeiqq2" class="col-sm-4 col-md-4 col-mm-6 product_img"> <a href="/content/?40.html"> <img 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