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介<\/p>??1、用途
??在液壓系統(tǒng)中,工程上常將某一執(zhí)行機(jī)構(gòu)的進(jìn)回油路上相互控制,成對(duì)使用的兩個(gè)液控單向閥組合在同一個(gè)閥體內(nèi),稱之為雙向鎖。其可使執(zhí)行機(jī)構(gòu)在任意位置停止后,加以可靠的鎖定作用,從而避免在各種因素影響下可能發(fā)生的位移。
??2、執(zhí)行標(biāo)準(zhǔn)MT419——1995《液壓支架用閥》
??3、工作原理
   雙向鎖，包括閥體，開設(shè)在所述閥體內(nèi)的閥腔，和開設(shè)在閥體上與閥腔相通的進(jìn)、出液口；所述閥腔為水平貫穿閥體的通腔；在閥腔的中部密封滑動(dòng)設(shè)置有截面為“十”形的雙向頂桿；所述雙向頂桿的左、右頂桿分別延伸到設(shè)置在閥腔內(nèi)的左、右閥套內(nèi)，在所述左、右閥套內(nèi)分別設(shè)置有閥座；在閥腔左、右端口分別螺紋密封連接有開有凹腔的堵塞，在所述堵塞的凹腔內(nèi)分別設(shè)置有閥芯和回位彈簧；所述進(jìn)、出液口分為左進(jìn)、出液口和右進(jìn)、出液口；左、右進(jìn)液口分別通過各自的流道與對(duì)應(yīng)的左、右閥座側(cè)的閥腔相通；本實(shí)用新型優(yōu)點(diǎn)就在于板式閥體更便于閥體的拆裝；將閥芯、閥座分別設(shè)置在所述閥套、堵塞凹腔內(nèi)，板式的結(jié)構(gòu)更加簡單緊湊。
??4、使用說明
??①本閥實(shí)用于31.5MPA的主管路及支管路的液壓系統(tǒng)中，工作介質(zhì)為含5％乳化液和95％中性水混合而成的乳化液，可在10℃--50℃溫度下正常工作，介質(zhì)需要保持清潔，無雜質(zhì)。采用0.125MM精度的過濾器及磁性過濾裝置過濾
??②本閥在井下如需要檢修時(shí)，應(yīng)整體更換，不可在井下拆檢，以防止贓物進(jìn)入閥腔內(nèi)
??5、故障分析及排除<\/div>

浙江樂清市神華礦業(yè)液壓機(jī)械有限公司是一家專業(yè)生產(chǎn)煤礦用機(jī)械液壓元件產(chǎn)品的企業(yè),主要產(chǎn)品有平面截止閥、球形截止閥、液控單向閥、操縱閥，單向鎖，雙向鎖，安全閥、過濾器、直通（變徑）、三通（異徑）、彎頭、注液槍、三用閥,回油斷路閥、噴霧閥、換向閥、管接頭、堵頭，管路配件及乳化泵配件等等.
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本公司專業(yè)生產(chǎn)：直通，三通，四通，彎通，<\/span>Y<\/span>型三通，異徑三通，變徑直通<\/span>
<\/span>  直通：<\/span>KJ2-6<\/span>，<\/span>KJ-2-8<\/span>，<\/span>KJ2-10<\/span>，<\/span>KJ2-13<\/span>，<\/span>KJ2-16<\/span>，<\/span>KJ2-19<\/span>，<\/span>KJ2-25<\/span>，<\/span>KJ2-32<\/span>，<\/span>KJ2-31.5<\/span>，<\/span>KJ2-38<\/span>，<\/span>KJ2-51 
<\/span>  三通：<\/span>KJ3-6<\/span>，<\/span>KJ3-8<\/span>，<\/span>KJ3-10<\/span>，<\/span>KJ3-13<\/span>，<\/span>KJ3-16<\/span>，<\/span>KJ3-19<\/span>，<\/span>KJ3-25<\/span>，<\/span>KJ3-32<\/span>，<\/span>KJ3-31.5<\/span>，<\/span>KJ3-38<\/span>，<\/span>KJ3-51 <\/span><\/p>

四通：<\/span>KJ9-10<\/span>，<\/span>KJ9-13<\/span>，<\/span>KJ9-16.<\/span><\/p>

彎通：<\/span>KJ6-10<\/span>，<\/span>KJ6-13<\/span>，<\/span>KJ6-19<\/span>，<\/span>KJ6-25<\/span>，<\/span>KJ6-32,KJ6-51<\/span><\/p>

Y<\/span>型三通：<\/span>KJTV-Y10<\/span>，<\/span>KJTV-Y13<\/span><\/p>

<\/span>  異徑三通：<\/span>KJ4-10<\/span>／<\/span>13<\/span>，<\/span>KJ4-10<\/span>／<\/span>16<\/span>，<\/span>KJ4-10<\/span>／<\/span>19<\/span>，<\/span>KJ4-10<\/span>／<\/span>25<\/span>，<\/span>KJ4-10<\/span>／<\/span>32<\/span>，<\/span>KJ4-16<\/span>／<\/span>25<\/span>，<\/span>KJ4-19<\/span>／<\/span>25<\/span>，<\/span>KJ4-16<\/span>／<\/span>51<\/span><\/p>

  <\/span>變徑直通：<\/span>KJ2-13/38<\/span>，<\/span>KJ2-25/38,KJ2-25/51, KJ2-38/51<\/span>等煤礦通類系列。<\/span><\/p>

  <\/span>歡迎來電洽談業(yè)務(wù)！<\/span><\/p>

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 供應(yīng)彎頭.堵頭.接頭..中間接頭.K型接頭.U型銷等系列產(chǎn)品。<\/span><\/p>

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