螺旋密(mi)封(feng)是駿華齒輪泵(beng)的標(biao)準軸密(mi)封(feng)，適用(yong)(yong)(yong)于(yu)(yu)高(gao)(gao)粘度物料和(he)高(gao)(gao)入(ru)口(kou)壓力的動(dong)密(mi)封(feng)，它可帶加(jia)熱或冷卻(que)夾套。動(dong)密(mi)封(feng)適用(yong)(yong)(yong)于(yu)(yu)高(gao)(gao)溫高(gao)(gao)壓，它只適用(yong)(yong)(yong)于(yu)(yu)入(ru)口(kou)為正壓及粘度大于(yu)(yu)50Pas的物料。