型号明细 密封件的公称尺寸及腔体尺寸（単位：mm） 标准（RN 912） d D H t G C B SFR-16K 16 24 6 4.5 5 20.3 2 SFR-18K 18 26 6 4.5 5 22.3 2 SFR-20K 20 28 6 4.5 5 24.3 2 SFR-22K 22 30 6 4.5 5 26.3 2 SFR-22.4K 22.4 30.4 6 4.5 5 26.7 2 SFR-25K 25 33 6 4.5 5 29.3 2 SFR-28K 28 36 6 4.5 5 32.3 2 SFR-30K 30 38 6.5 5 6 34 2 *SFR-31.5K 31.5 39.5 6.5 5 6 35.5 2 SFR-32K 32 40 6.5 5 6 36 2 SFR-35K 35 43 6.5 5 6 39 2 *SFR-35.5K 35.5 43.5 6.5 5 6 39.5 2 *SFR-36K 36 44 6.5 5 6 40 2 SFR-40K 40 48 6.5 5 6 44 2 SFR-45K 45 53 6.5 5 6 49 2 SFR-50K 50 58 6.5 5 6 54 2 SFR-55K 55 63 6.5 5 6 59 2 SFR-60K 60 68 6.5 5 6 64 2 *SFR-63K 63 71 6.5 5 6 67 2 *SFR-70K 70 80 8 6 7 75 3 *SFR-75K 75 85 8 6 7 80 3 *SFR-80K 80 90 8 6 7 85 3
