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日本SAKAGAMI阪上气封PSD是紧凑型密封圈，适用于两种压力式活塞。与O形圈相比，它具有优异的摩擦特性，并且具有横截面形状设计，可以抑制塌陷和扭曲的发生。
| 标准型号 | 密封件的公称尺寸及安装尺寸 (単位：mm） | 耐热性型号 | |||
| （RN 713） | d*D*H | G | D1 | L | （RF 704） |
| PSD-10 | 10*5.4*1.6 | 1.8 | 9.7 | 1 | PSD-10F |
| PSD-12 | 12*7.4*1.6 | 1.8 | 11.7 | 1 | PSD-12F |
| PSD-15 | 15*10.4*1.6 | 1.8 | 14.7 | 1 | PSD-15F |
| PSD-16 | 16*11.4*1.6 | 1.8 | 15.7 | 1 | PSD-16F |
| PSD-20 | 20*14*2.24 | 2.4 | 19.5 | 1.5 | PSD-20F |
| PSD-25 | 25*17*3 | 3.2 | 24.5 | 2 | PSD-25F |
| PSD-30 | 30*22*3 | 3.2 | 29.5 | 2 | PSD-30F |
| PSD-32 | 32*24*3 | 3.2 | 31.5 | 2 | PSD-32F |
| PSD-0038A02N713 | 38*30*3 | 3.2 | 37.5 | 2 | |
| PSD-40 | 40*32*3 | 3.2 | 39.5 | 2 | PSD-40F |
| PSD-0044A02N713 | 44*36*3 | 3.2 | 43.5 | 2 | |
| PSD-50 | 50*40*3.8 | 4 | 49.5 | 2.5 | PSD-50F |
| PSD-0056A02N713 | 56*46*3.8 | 4 | 55.5 | 2.5 | |
| PSD-0060A03N713 | 60*50*3.8 | 4 | 59.5 | 2.5 | |
| PSD-63 | 63*53*3.8 | 4 | 62.4 | 2.5 | PSD-63F |
| PSD-0070A02N713 | 70*55*5.6 | 6 | 69.4 | 3 | |
| PSD-0075A02N713 | 75*60*5.6 | 6 | 74.4 | 3 | |
| PSD-80 | 80*65*5.6 | 6 | 79.4 | 3 | PSD-80F |
| PSD-0085A02N713 | 85*70*5.6 | 6 | 84.4 | 3 | |
| PSD-0090A02N713 | 90*75*5.6 | 6 | 89.4 | 3 | |
| PSD-0095A02N713 | 95*80*5.6 | 6 | 94.4 | 3 | |
| PSD-100 | 100*85*5.6 | 6 | 99.4 | 3 | PSD-100F |
| PSD-0110A02N713 | 110*95*5.6 | 6 | 109.3 | 3 | |
| PSD-0120A03N713 | 120*105*5.6 | 6 | 119.3 | 3.5 | |
| PSD-125 | 125*110*5.6 | 6 | 124.3 | 3.5 | PSD-125F |
| PSD-140 | 140*125*5.6 | 6 | 139.3 | 3.5 | PSD-140F |
| PSD-0150A02N713 | 150*135*5.6 | 6 | 149.3 | 3.5 | |
| PSD-160 | 160*140*7.6 | 8 | 159.3 | 5 | |
| PSD-180 | 180*160*7.6 | 8 | 179.3 | 5 | PSD-180F |
| PSD-0200A03N713 | 200*180*7.6 | 8 | 199 | 5 | PSD-0200A04F704 |
| PSD-0230A01N713 | 230*210*7.6 | 8 | 229 | 5 | |
| PSD-0250A03N713 | 250*230*7.6 | 8 | 249 | 5 | |
| PSD-0300A03N713 | 300*280*7.6 | 8 | 299 | 5 | |