PPD活塞专用气动密封件型号明细互换PSD密封件的公称尺寸及腔体尺寸（単位：mm)标准（RN729）DdHGD1LPPD-10*PSD-10105.41.61.8＋0.109.71.5PPD-12*PSD-12127.41.61.811.71.5PPD-15*PSD-151510.41.61.814.71.5PPD-16*PSD-161611.41.61.815.71.5PPD-20*PSD-2020142.22.419.51.5PPD-25*PSD-25251733.2+0.15024.52PPD-30*PSD-30302233.229.52PPD-32*PSD-32322433.231.52PPD-40*PSD-40403233.239.52PPD-50*PSD-5050403.74＋0.25049.52.5PPD-63*PSD-6363533.7462.42.5PPD-80*PSD-8080655.6679.43PPD-100*PSD-100100855.6699.43*PPD-125*PSD-1251251105.66124.33.5*PPD-140*PSD-1401401255.66139.33.5*PPD-160*PSD-1601601407.68159.35*PPD-180*PSD-1801801607.68179.35)