閥(fa)門(men)(men)填料(liao)(liao)函(han)(han)又名填料(liao)(liao)箱,就是(shi)閥(fa)桿部(bu)分的(de)(de)密封裝置,填料(liao)(liao)函(han)(han)通常在(zai)閥(fa)蓋上部(bu),防止氣(qi)體、液體物料(liao)(liao)等介質(zhi)從閥(fa)桿和閥(fa)蓋的(de)(de)間隙處漏(lou)出(chu)。填料(liao)(liao)的(de)(de)材料(liao)(liao)和填料(liao)(liao)函(han)(han)的(de)(de)結構是(shi)保(bao)證閥(fa)門(men)(men)在(zai)填料(liao)(liao)函(han)(han)不滲(shen)漏(lou)的(de)(de)重要條(tiao)件。
閥門填(tian)(tian)(tian)料函是由填(tian)(tian)(tian)料壓(ya)蓋、填(tian)(tian)(tian)料和(he)填(tian)(tian)(tian)料墊等組成。要求填(tian)(tian)(tian)料函結(jie)(jie)構(gou)簡(jian)單、密封可靠(kao)、裝拆方便。填(tian)(tian)(tian)料函結(jie)(jie)構(gou)分為(wei)壓(ya)緊螺母(mu)式(shi)、壓(ya)蓋式(shi)和(he)波紋管式(shi)三(san)種。